The class Insecta, in the phylum ARTHROPODA, whose members are characterized by division into three parts: head, thorax, and abdomen. They are the dominant group of animals on earth; several hundred thousand different kinds having been described. Three orders, HEMIPTERA; DIPTERA; and SIPHONAPTERA; are of medical interest in that they cause disease in humans and animals. (From Borror et al., An Introduction to the Study of Insects, 4th ed, p1)
Tumors or cancer of the MANDIBLE.
Proteins found in any species of insect.
Extraoral body-section radiography depicting an entire maxilla, or both maxilla and mandible, on a single film.
The total absence of teeth from either the mandible or the maxilla, but not both. Total absence of teeth from both is MOUTH, EDENTULOUS. Partial absence of teeth in either is JAW, EDENTULOUS, PARTIALLY.
The posterior process on the ramus of the mandible composed of two parts: a superior part, the articular portion, and an inferior part, the condylar neck.
The anatomical frontal portion of the mandible, also known as the mentum, that contains the line of fusion of the two separate halves of the mandible (symphysis menti). This line of fusion divides inferiorly to enclose a triangular area called the mental protuberance. On each side, inferior to the second premolar tooth, is the mental foramen for the passage of blood vessels and a nerve.
Viruses infecting insects, the largest family being BACULOVIRIDAE.
The measurement of the dimensions of the HEAD.
The functional hereditary units of INSECTS.
One of a pair of irregularly shaped bones that form the upper jaw. A maxillary bone provides tooth sockets for the superior teeth, forms part of the ORBIT, and contains the MAXILLARY SINUS.
Injuries to the lower jaw bone.
Insects of the suborder Heterocera of the order LEPIDOPTERA.
A physical misalignment of the upper (maxilla) and lower (mandibular) jaw bones in which either or both recede relative to the frontal plane of the forehead.
The facial skeleton, consisting of bones situated between the cranial base and the mandibular region. While some consider the facial bones to comprise the hyoid (HYOID BONE), palatine (HARD PALATE), and zygomatic (ZYGOMA) bones, MANDIBLE, and MAXILLA, others include also the lacrimal and nasal bones, inferior nasal concha, and vomer but exclude the hyoid bone. (Jablonski, Dictionary of Dentistry, 1992, p113)
Bone lengthening by gradual mechanical distraction. An external fixation device produces the distraction across the bone plate. The technique was originally applied to long bones but in recent years the method has been adapted for use with mandibular implants in maxillofacial surgery.
An articulation between the condyle of the mandible and the articular tubercle of the temporal bone.
INSECTS of the order Coleoptera, containing over 350,000 species in 150 families. They possess hard bodies and their mouthparts are adapted for chewing.
The reduction or regulation of the population of noxious, destructive, or dangerous insects through chemical, biological, or other means.
Insertion of an implant into the bone of the mandible or maxilla. The implant has an exposed head which protrudes through the mucosa and is a prosthodontic abutment.
The force applied by the masticatory muscles in dental occlusion.
The thickest and spongiest part of the maxilla and mandible hollowed out into deep cavities for the teeth.
Hormones secreted by insects. They influence their growth and development. Also synthetic substances that act like insect hormones.
The act and process of chewing and grinding food in the mouth.
Biocompatible materials placed into (endosseous) or onto (subperiosteal) the jawbone to support a crown, bridge, or artificial tooth, or to stabilize a diseased tooth.
Neoplasms produced from tooth-forming tissues.
Bony structure of the mouth that holds the teeth. It consists of the MANDIBLE and the MAXILLA.
A genus of owlet moths of the family Noctuidae. These insects are used in molecular biology studies during all stages of their life cycle.
The SKELETON of the HEAD including the FACIAL BONES and the bones enclosing the BRAIN.
The stable placement of surgically induced fractures of the mandible or maxilla through the use of elastics, wire ligatures, arch bars, or other splints. It is used often in the cosmetic surgery of retrognathism and prognathism. (From Dorland, 28th ed, p636)
Wormlike or grublike stage, following the egg in the life cycle of insects, worms, and other metamorphosing animals.
A large order of insects comprising the butterflies and moths.
The genetic complement of an insect (INSECTS) as represented in its DNA.
Substances causing insects to turn away from them or reject them as food.
A large order of insects characterized by having the mouth parts adapted to piercing or sucking. It is comprised of four suborders: HETEROPTERA, Auchenorrhyncha, Sternorrhyncha, and Coleorrhyncha.
The most posterior teeth on either side of the jaw, totaling eight in the deciduous dentition (2 on each side, upper and lower), and usually 12 in the permanent dentition (three on each side, upper and lower). They are grinding teeth, having large crowns and broad chewing surfaces. (Jablonski, Dictionary of Dentistry, 1992, p821)
Family of INSECT VIRUSES containing two subfamilies: Eubaculovirinae (occluded baculoviruses) and Nudibaculovirinae (nonoccluded baculoviruses). The Eubaculovirinae, which contain polyhedron-shaped inclusion bodies, have two genera: NUCLEOPOLYHEDROVIRUS and GRANULOVIRUS. Baculovirus vectors are used for expression of foreign genes in insects.
Cancers or tumors of the MAXILLA or MANDIBLE unspecified. For neoplasms of the maxilla, MAXILLARY NEOPLASMS is available and of the mandible, MANDIBULAR NEOPLASMS is available.
Muscles arising in the zygomatic arch that close the jaw. Their nerve supply is masseteric from the mandibular division of the trigeminal nerve. (From Stedman, 25th ed)
Congenital or acquired asymmetry of the face.
Insects that transmit infective organisms from one host to another or from an inanimate reservoir to an animate host.
A prosthesis that gains its support, stability, and retention from a substructure that is implanted under the soft tissues of the basal seat of the device and is in contact with bone. (From Boucher's Clinical Dental Terminology, 4th ed)
An immature epithelial tumor of the JAW originating from the epithelial rests of Malassez or from other epithelial remnants of the ENAMEL from the developmental period. It is a slowly growing tumor, usually benign, but displays a marked propensity for invasive growth.
Necrosis of bone following radiation injury.
Bites and stings inflicted by insects.
Surgical procedures used to treat disease, injuries, and defects of the oral and maxillofacial region.
A branch of the trigeminal (5th cranial) nerve. The mandibular nerve carries motor fibers to the muscles of mastication and sensory fibers to the teeth and gingivae, the face in the region of the mandible, and parts of the dura.
An order of the class Insecta. Wings, when present, number two and distinguish Diptera from other so-called flies, while the halteres, or reduced hindwings, separate Diptera from other insects with one pair of wings. The order includes the families Calliphoridae, Oestridae, Phoridae, SARCOPHAGIDAE, Scatophagidae, Sciaridae, SIMULIIDAE, Tabanidae, Therevidae, Trypetidae, CERATOPOGONIDAE; CHIRONOMIDAE; CULICIDAE; DROSOPHILIDAE; GLOSSINIDAE; MUSCIDAE; TEPHRITIDAE; and PSYCHODIDAE. The larval form of Diptera species are called maggots (see LARVA).
Malocclusion in which the mandible is anterior to the maxilla as reflected by the first relationship of the first permanent molar (mesioclusion).
The relationship of all the components of the masticatory system in normal function. It has special reference to the position and contact of the maxillary and mandibular teeth for the highest efficiency during the excursive movements of the jaw that are essential for mastication. (From Jablonski, Dictionary of Dentistry, 1992, p556, p472)
Any of the eight frontal teeth (four maxillary and four mandibular) having a sharp incisal edge for cutting food and a single root, which occurs in man both as a deciduous and a permanent tooth. (Jablonski, Dictionary of Dentistry, 1992, p820)
Moving a retruded mandible forward to a normal position. It is commonly performed for malocclusion and retrognathia. (From Jablonski's Dictionary of Dentistry, 1992)
Abnormally small jaw.
One of a set of bone-like structures in the mouth used for biting and chewing.
Removable prosthesis constructed over natural teeth or implanted studs.
Computed tomography modalities which use a cone or pyramid-shaped beam of radiation.
Cysts found in the jaws and arising from epithelium involved in tooth formation. They include follicular cysts (e.g., primordial cyst, dentigerous cyst, multilocular cyst), lateral periodontal cysts, and radicular cysts. They may become keratinized (odontogenic keratocysts). Follicular cysts may give rise to ameloblastomas and, in rare cases, undergo malignant transformation.
The blood/lymphlike nutrient fluid of some invertebrates.
A mobile U-shaped bone that lies in the anterior part of the neck at the level of the third CERVICAL VERTEBRAE. The hyoid bone is suspended from the processes of the TEMPORAL BONES by ligaments, and is firmly bound to the THYROID CARTILAGE by muscles.
The length of the face determined by the distance of separation of jaws. Occlusal vertical dimension (OVD or VDO) or contact vertical dimension is the lower face height with the teeth in centric occlusion. Rest vertical dimension (VDR) is the lower face height measured from a chin point to a point just below the nose, with the mandible in rest position. (From Jablonski, Dictionary of Dentistry, 1992, p250)
A masticatory muscle whose action is closing the jaws.
Malocclusion in which the mandible is posterior to the maxilla as reflected by the relationship of the first permanent molar (distoclusion).
The curve formed by the row of TEETH in their normal position in the JAW. The inferior dental arch is formed by the mandibular teeth, and the superior dental arch by the maxillary teeth.
The teeth collectively in the dental arch. Dentition ordinarily refers to the natural teeth in position in their alveoli. Dentition referring to the deciduous teeth is DENTITION, PRIMARY; to the permanent teeth, DENTITION, PERMANENT. (From Jablonski, Dictionary of Dentistry, 1992)
Insects of the order Dictyoptera comprising several families including Blaberidae, BLATTELLIDAE, Blattidae (containing the American cockroach PERIPLANETA americana), Cryptocercidae, and Polyphagidae.
Plant-eating orthopterans having hindlegs adapted for jumping. There are two main families: Acrididae and Romaleidae. Some of the more common genera are: Melanoplus, the most common grasshopper; Conocephalus, the eastern meadow grasshopper; and Pterophylla, the true katydid.
Saccular lesions lined with epithelium and contained within pathologically formed cavities in the jaw; also nonepithelial cysts (pseudocysts) as they apply to the jaw, e.g., traumatic or solitary cyst, static bone cavity, and aneurysmal bone cyst. True jaw cysts are classified as odontogenic or nonodontogenic.
One of the eight permanent teeth, two on either side in each jaw, between the canines (CUSPID) and the molars (MOLAR), serving for grinding and crushing food. The upper have two cusps (bicuspid) but the lower have one to three. (Jablonski, Dictionary of Dentistry, 1992, p822)
Preprosthetic surgery involving rib, cartilage, or iliac crest bone grafts, usually autologous, or synthetic implants for rebuilding the alveolar ridge.
Cancer or tumors of the MAXILLA or upper jaw.
Extraoral devices for applying force to the dentition in order to avoid some of the problems in anchorage control met with in intermaxillary traction and to apply force in directions not otherwise possible.
The inferior region of the skull consisting of an internal (cerebral), and an external (basilar) surface.
Loose, usually removable intra-oral devices which alter the muscle forces against the teeth and craniofacial skeleton. These are dynamic appliances which depend on altered neuromuscular action to effect bony growth and occlusal development. They are usually used in mixed dentition to treat pediatric malocclusions. (ADA, 1992)
Insects of the family Formicidae, very common and widespread, probably the most successful of all the insect groups. All ants are social insects, and most colonies contain three castes, queens, males, and workers. Their habits are often very elaborate and a great many studies have been made of ant behavior. Ants produce a number of secretions that function in offense, defense, and communication. (From Borror, et al., An Introduction to the Study of Insects, 4th ed, p676)
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
Two of the masticatory muscles: the internal, or medial, pterygoid muscle and external, or lateral, pterygoid muscle. Action of the former is closing the jaws and that of the latter is opening the jaws, protruding the mandible, and moving the mandible from side to side.
A suborder of HEMIPTERA, called true bugs, characterized by the possession of two pairs of wings. It includes the medically important families CIMICIDAE and REDUVIIDAE. (From Dorland, 28th ed)
A genus of beetles which infests grain products. Its larva is called mealworm.
Rigid or flexible appliances that overlay the occlusal surfaces of the teeth. They are used to treat clenching and bruxism and their sequelae, and to provide temporary relief from muscle or temporomandibular joint pain.
Congenital malformation characterized by MICROGNATHIA or RETROGNATHIA; GLOSSOPTOSIS and CLEFT PALATE. The mandibular abnormalities often result in difficulties in sucking and swallowing. The syndrome may be isolated or associated with other syndromes (e.g., ANDERSEN SYNDROME; CAMPOMELIC DYSPLASIA). Developmental mis-expression of SOX9 TRANSCRIPTION FACTOR gene on chromosome 17q and its surrounding region is associated with the syndrome.
Resorption or wasting of the tooth-supporting bone (ALVEOLAR PROCESS) in the MAXILLA or MANDIBLE.
Insect members of the superfamily Apoidea, found almost everywhere, particularly on flowers. About 3500 species occur in North America. They differ from most WASPS in that their young are fed honey and pollen rather than animal food.
A genus of small beetles of the family Tenebrionidae; T. confusum is the "confused flour beetle".
The use of wings or wing-like appendages to remain aloft and move through the air.
The third tooth to the left and to the right of the midline of either jaw, situated between the second INCISOR and the premolar teeth (BICUSPID). (Jablonski, Dictionary of Dentistry, 1992, p817)
Three-dimensional representation to show anatomic structures. Models may be used in place of intact animals or organisms for teaching, practice, and study.
Compounds, either natural or synthetic, which block development of the growing insect.
Renewal or repair of lost bone tissue. It excludes BONY CALLUS formed after BONE FRACTURES but not yet replaced by hard bone.
Any of numerous winged hymenopterous insects of social as well as solitary habits and having formidable stings.
A mixed tumor of odontogenic origin, in which both the epithelial and mesenchymal cells exhibit complete differentiation, resulting in the formation of tooth structures. (Jablonski, Illustrated Dictionary of Dentistry, 1982)
A genus in the family Blattidae containing several species, the most common being P. americana, the American cockroach.
The planning, calculation, and creation of an apparatus for the purpose of correcting the placement or straightening of teeth.
Remains, impressions, or traces of animals or plants of past geological times which have been preserved in the earth's crust.
A benign tumor composed of bone tissue or a hard tumor of bonelike structure developing on a bone (homoplastic osteoma) or on other structures (heteroplastic osteoma). (From Dorland, 27th ed)
Surgery performed to repair or correct the skeletal anomalies of the jaw and its associated dental and facial structures (e.g. CLEFT PALATE).
A condition marked by abnormal protrusion of the mandible. (Dorland, 27th ed)
Syndromes of bone destruction where the cause is not obvious such as neoplasia, infection, or trauma. The destruction follows various patterns: massive (Gorham disease), multicentric (HAJDU-CHENEY SYNDROME), or carpal/tarsal.
The mouth, teeth, jaws, pharynx, and related structures as they relate to mastication, deglutition, and speech.
Such malposition and contact of the maxillary and mandibular teeth as to interfere with the highest efficiency during the excursive movements of the jaw that are essential for mastication. (Jablonski, Illustrated Dictionary of Dentistry, 1982)
The relationships of groups of organisms as reflected by their genetic makeup.
An extensive order of highly specialized insects including bees, wasps, and ants.
X-RAY COMPUTERIZED TOMOGRAPHY with resolution in the micrometer range.
Use of naturally-occuring or genetically-engineered organisms to reduce or eliminate populations of pests.
Reference points located by visual inspection, palpation, or computer assistance, that are useful in localizing structures on or within the human body.
A family (Aphididae) of small insects, in the suborder Sternorrhyncha, that suck the juices of plants. Important genera include Schizaphis and Myzus. The latter is known to carry more than 100 virus diseases between plants.
The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics.
A tooth that is prevented from erupting by a physical barrier, usually other teeth. Impaction may also result from orientation of the tooth in an other than vertical position in the periodontal structures.
An odontogenic fibroma in which cells have developed into cementoblasts and which consists largely of cementum.
A genus of silkworm MOTHS in the family Bombycidae of the order LEPIDOPTERA. The family contains a single species, Bombyx mori from the Greek for silkworm + mulberry tree (on which it feeds). A native of Asia, it is sometimes reared in this country. It has long been raised for its SILK and after centuries of domestication it probably does not exist in nature. It is used extensively in experimental GENETICS. (From Borror et al., An Introduction to the Study of Insects, 4th ed, p519)
A masticatory muscle whose action is closing the jaws; its posterior portion retracts the mandible.
Loose-fitting removable orthodontic appliances which redirect the pressures of the facial and masticatory muscles onto the teeth and their supporting structures to produce improvements in tooth arrangements and occlusal relations.
The family Gryllidae consists of the common house cricket, Acheta domesticus, which is used in neurological and physiological studies. Other genera include Gryllotalpa (mole cricket); Gryllus (field cricket); and Oecanthus (tree cricket).
The structure that forms the roof of the mouth. It consists of the anterior hard palate (PALATE, HARD) and the posterior soft palate (PALATE, SOFT).
Either one of the two small elongated rectangular bones that together form the bridge of the nose.
Intraoral OSTEOTOMY of the lower jaw usually performed in order to correct MALOCCLUSION.
Absence of teeth from a portion of the mandible and/or maxilla.
Total lack of teeth through disease or extraction.
Either of a pair of bones that form the prominent part of the CHEEK and contribute to the ORBIT on each side of the SKULL.
The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION.
Malocclusion in which the mandible and maxilla are anteroposteriorly normal as reflected by the relationship of the first permanent molar (i.e., in neutroclusion), but in which individual teeth are abnormally related to each other.
A malocclusion in which maxillary incisor and canine teeth project over the mandiblar teeth excessively. The overlap is measured perpendicular to the occlusal plane and is also called vertical overlap. When the overlap is measured parallel to the occlusal plane it is referred to as overjet.
A genus of the subfamily TRIATOMINAE. Rhodnius prolixus is a vector for TRYPANOSOMA CRUZI.
BEETLES in the family Curculionidae and the largest family in the order COLEOPTERA. They have a markedly convex shape and many are considered pests.
The surgical removal of a tooth. (Dorland, 28th ed)
Pesticides designed to control insects that are harmful to man. The insects may be directly harmful, as those acting as disease vectors, or indirectly harmful, as destroyers of crops, food products, or textile fabrics.
An order of insects comprising two suborders: Caelifera and Ensifera. They consist of GRASSHOPPERS, locusts, and crickets (GRYLLIDAE).
The properties, processes, and behavior of biological systems under the action of mechanical forces.
The scientific study of variations in size, shape, and proportion of the cranium.
An inactive stage between the larval and adult stages in the life cycle of insects.
The plan and delineation of dental prostheses in general or a specific dental prosthesis. It does not include DENTURE DESIGN. The framework usually consists of metal.
A non-neoplastic inflammatory lesion, usually of the jaw or gingiva, containing large, multinucleated cells. It includes reparative giant cell granuloma. Peripheral giant cell granuloma refers to the gingiva (giant cell epulis); central refers to the jaw.
A hollow part of the alveolar process of the MAXILLA or MANDIBLE where each tooth fits and is attached via the periodontal ligament.
Contact between opposing teeth during a person's habitual bite.
The process of generating three-dimensional images by electronic, photographic, or other methods. For example, three-dimensional images can be generated by assembling multiple tomographic images with the aid of a computer, while photographic 3-D images (HOLOGRAPHY) can be made by exposing film to the interference pattern created when two laser light sources shine on an object.
Behavioral responses or sequences associated with eating including modes of feeding, rhythmic patterns of eating, and time intervals.
The act of feeding on plants by animals.
Congenital structural deformities, malformations, or other abnormalities of the cranium and facial bones.
A computer based method of simulating or analyzing the behavior of structures or components.
An orthodontic method used for correcting narrow or collapsed maxillary arches and functional cross-bite. (From Jablonski's Dictionary of Dentistry),
A species of fruit fly much used in genetics because of the large size of its chromosomes.
The complement of teeth in the jaws after the eruption of some of the permanent teeth but before all the deciduous teeth are absent. (Boucher's Clinical Dental Terminology, 4th ed)
Fractures of the upper or lower jaw.
The aftermost permanent tooth on each side in the maxilla and mandible.
The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.
The location of the maxillary and the mandibular condyles when they are in their most posterior and superior positions in their fossae of the temporomandibular joint.
The continuous turnover of BONE MATRIX and mineral that involves first an increase in BONE RESORPTION (osteoclastic activity) and later, reactive BONE FORMATION (osteoblastic activity). The process of bone remodeling takes place in the adult skeleton at discrete foci. The process ensures the mechanical integrity of the skeleton throughout life and plays an important role in calcium HOMEOSTASIS. An imbalance in the regulation of bone remodeling's two contrasting events, bone resorption and bone formation, results in many of the metabolic bone diseases, such as OSTEOPOROSIS.
Tomography using x-ray transmission and a computer algorithm to reconstruct the image.
The study of the teeth of early forms of life through fossil remains.
The relationship between two different species of organisms that are interdependent; each gains benefits from the other or a relationship between different species where both of the organisms in question benefit from the presence of the other.
A muscular organ in the mouth that is covered with pink tissue called mucosa, tiny bumps called papillae, and thousands of taste buds. The tongue is anchored to the mouth and is vital for chewing, swallowing, and for speech.
A genus of gram-negative bacteria existing symbiotically with nematodes of the family Heterorhabditidae (see RHABDITOIDEA). These nematodes infect a variety of soil-dwelling insects. Upon entering an insect host, the nematode releases Photorhabdus from its intestinal tract and the bacterium establishes a lethal septicemia in the insect.
A fibro-osseous hereditary disease of the jaws. The swollen jaws and raised eyes give a cherubic appearance; multiple radiolucencies are evident upon radiographic examination.
Members of the phylum Arthropoda, composed of organisms having a hard, jointed exoskeleton and paired jointed legs. It includes the class INSECTS and the subclass ARACHNIDA, many species of which are important medically as parasites or as vectors of organisms capable of causing disease in man.
Periodic casting off FEATHERS; HAIR; or cuticle. Molting is a process of sloughing or desquamation, especially the shedding of an outer covering and the development of a new one. This phenomenon permits growth in ARTHROPODS, skin renewal in AMPHIBIANS and REPTILES, and the shedding of winter coats in BIRDS and MAMMALS.
Use of optic and geometric techniques to enhance radiographic image quality and interpretation. It includes use of microfocal X-ray tubes and intensifying fluoroscopic screens.
A mass of tissue that has been cut away from its surrounding areas to be used in TISSUE TRANSPLANTATION.
The process of bone formation. Histogenesis of bone including ossification.
The process of TOOTH formation. It is divided into several stages including: the dental lamina stage, the bud stage, the cap stage, and the bell stage. Odontogenesis includes the production of tooth enamel (AMELOGENESIS), dentin (DENTINOGENESIS), and dental cementum (CEMENTOGENESIS).
Presentation devices used for patient education and technique training in dentistry.
Radiographic techniques used in dentistry.
A genus of gram-negative, facultatively anaerobic rod-shaped cells which are motile by peritrichous flagella. Late in the growth cycle, spheroplasts or coccoid bodies occur, resulting from disintegration of the cell wall. The natural habitat is the intestinal lumen of certain nematodes. (From Bergey's Manual of Determinative Bacteriology, 9th ed)
The surgical cutting of a bone. (Dorland, 28th ed)
Congenital absence of or defects in structures of the teeth.
The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence.
Orthodontic appliances, fixed or removable, used to maintain teeth in corrected positions during the period of functional adaptation following corrective treatment. These appliances are also used to maintain the positions of the teeth and jaws gained by orthodontic procedures. (From Zwemer, Boucher's Clinical Dental Terminology, 4th ed, p263)
Peculiarities associated with the internal structure, form, topology, or architecture of organisms that distinguishes them from others of the same species or group.
The emergence of a tooth from within its follicle in the ALVEOLAR PROCESS of the MAXILLA or MANDIBLE into the ORAL CAVITY. (Boucher's Clinical Dental Terminology, 4th ed)
Recognition and elimination of potential irregularities and malpositions in the developing dentofacial complex.
The study of early forms of life through fossil remains.
An order of insects, restricted mostly to the tropics, containing at least eight families. A few species occur in temperate regions of North America.
Family of the suborder HAPLORHINI (Anthropoidea) comprising bipedal primate MAMMALS. It includes modern man (HOMO SAPIENS) and the great apes: gorillas (GORILLA GORILLA), chimpanzees (PAN PANISCUS and PAN TROGLODYTES), and orangutans (PONGO PYGMAEUS).
The selective extraction of deciduous teeth during the stage of mixed dentition in accordance with the shedding and eruption of the teeth. It is done over an extended period to allow autonomous adjustment to relieve crowding of the dental arches during the eruption of the lateral incisors, canines, and premolars, eventually involving the extraction of the first premolar teeth. (Dorland, 28th ed)
Instinctual behavior pattern in which food is obtained by killing and consuming other species.
Flies of the species Musca domestica (family MUSCIDAE), which infest human habitations throughout the world and often act as carriers of pathogenic organisms.
Organs and other anatomical structures of non-human vertebrate and invertebrate animals.
A nutritional reservoir of fatty tissue found mainly in insects and amphibians.
A extremely rare bone tumor characterized by abundant collagen formation and a fibrous stroma, without evidence of mitosis or pleomorphism. It appears on x-rays as an osteolytic lesion with well-defined margins and must be differentiated from primary fibrosarcoma of bone. (DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1441)
Any blood or formed element especially in invertebrates.
General or unspecified injuries to the soft tissue or bony portions of the face.
Death of a bone or part of a bone, either atraumatic or posttraumatic.
Increase in the mass of bone per unit volume.
The phase of orthodontics concerned with the correction of malocclusion with proper appliances and prevention of its sequelae (Jablonski's Illus. Dictionary of Dentistry).
FIBROUS DYSPLASIA OF BONE involving only one bone.
The relationship between an invertebrate and another organism (the host), one of which lives at the expense of the other. Traditionally excluded from definition of parasites are pathogenic BACTERIA; FUNGI; VIRUSES; and PLANTS; though they may live parasitically.
A variety of conditions affecting the anatomic and functional characteristics of the temporomandibular joint. Factors contributing to the complexity of temporomandibular diseases are its relation to dentition and mastication and the symptomatic effects in other areas which account for referred pain to the joint and the difficulties in applying traditional diagnostic procedures to temporomandibular joint pathology where tissue is rarely obtained and x-rays are often inadequate or nonspecific. Common diseases are developmental abnormalities, trauma, subluxation, luxation, arthritis, and neoplasia. (From Thoma's Oral Pathology, 6th ed, pp577-600)
The process whereby calcium salts are deposited in the dental enamel. The process is normal in the development of bones and teeth. (Boucher's Clinical Dental Terminology, 4th ed, p43)
The wearing away of a tooth as a result of tooth-to-tooth contact, as in mastication, occurring only on the occlusal, incisal, and proximal surfaces. It is chiefly associated with aging. It is differentiated from TOOTH ABRASION (the pathologic wearing away of the tooth substance by friction, as brushing, bruxism, clenching, and other mechanical causes) and from TOOTH EROSION (the loss of substance caused by chemical action without bacterial action). (Jablonski, Dictionary of Dentistry, 1992, p86)
A genus of the family BACULOVIRIDAE, subfamily Eubaculovirinae, characterized by the formation of crystalline, polyhedral occlusion bodies in the host cell nucleus. The type species is Autographa californica nucleopolyhedrovirus.
The science devoted to the comparative study of man.
Insertion of an endosseous implant with a narrow wedge-shaped infrastructure extending through the oral mucosa into the mouth and bearing openings or vents through which tissue grows to obtain retention.
A bony prominence situated on the upper surface of the body of the sphenoid bone. It houses the PITUITARY GLAND.
Production of a radiographic image of a small or very thin object on fine-grained photographic film under conditions which permit subsequent microscopic examination or enlargement of the radiograph at linear magnifications of up to several hundred and with a resolution approaching the resolving power of the photographic emulsion (about 1000 lines per millimeter).
Procedures used to reconstruct, restore, or improve defective, damaged, or missing structures.
Slender tubular or hairlike excretory structures found in insects. They emerge from the alimentary canal between the mesenteron (midgut) and the proctodeum (hindgut).
Profound physical changes during maturation of living organisms from the immature forms to the adult forms, such as from TADPOLES to frogs; caterpillars to BUTTERFLIES.
The upper part of the human body, or the front or upper part of the body of an animal, typically separated from the rest of the body by a neck, and containing the brain, mouth, and sense organs.
Proteins prepared by recombinant DNA technology.
A mitosporic fungal genus in the family Clavicipitaceae. It has teleomorphs in the family Nectriaceae. Metarhizium anisopliae is used in PESTICIDES.
Mandibles short. Antennae dark brown, almost black; shorter than the insect. The thorax broad, rough and black, margined on the ... Length (including mandibles) 2¼ inches (57 mm). Bezark, Larry G. A Photographic Catalog of the Cerambycidae of the World ...
The males lack mandibles. Three subfamilies within this family are recognized. The subfamilies are separated using morphology ... The Corioxenidae are an insect family of the order Strepsiptera. Species in this family are parasites of heteropteran bugs ...
Occasionally takes insects like other barbet species. They are often found foraging in the mid-storey layer of the forest and ... Black mandibles. Greyish green tarsus Endemic to lowland and montane forests of Borneo. It is presumably a resident species in ...
The mandibles can be used to "tear, puncture, or grind" food. The thorax constitutes a large portion of the insect's body. As ... The mandibles are then "wielded as formidable weapons" to decapitate and devour the prey. The dietary preference of I. ... Its objective is to seduce the insect into its striking zone. In this zone, Idolomantis diabolica uses the tibiae of its legs ... The arrangement of photoreceptor units, for instance, allows the insect to capture a perceptual span of 180°. This allows I. ...
Head furnished with strong mandibles. Antennae (with the basal joint very thick) much longer than the insect. Thorax rough, ...
trophi The mouthparts of Arthropoda such as insects; typically labrum, mandible, maxilla, labium. trophus The singular form of ... Not all epiprocts in all insect species are homologous. Note that the term is used in other groups than insects as well, for ... coccidophagy feeding on scale insects (and parasitoids of scale insects). compound eye An eye consisting of a large number of ... A defining feature of insects. elytron (Anatomical feature) the modified, hardened forewing of certain insect orders, notably ...
The mandibles give these attractive insects a ferocious appearance. While tiger beetles are voracious predators of small ... The beetles develop as larvae for about one year before pupating, and the insect has a total lifespan of just under 5 years. ... Milne, Lorus (2000). National Audubon Society Field Guide to North American Insects & Spiders. Margery Milne. Alfred A. Knopf. ... overlapping mandibles. The adult is 12-14 mm (1/2-5/8") in length, and has fairly long legs. ...
... mandibles, antennae, and legs yellow; the whole insect covered with short, sparse, erect pale hairs, and a minute, fine, ... They have long mandibles and have the ability to leap a few inches. They are large-eyed and active predators that hunt mainly ... Male: Mandibles short, triangular, rather wide, but not elongated. Head somewhat longer than broad, strongly constricted behind ... It appears to feed on insects, which it often seizes alive. The following is the taxonomic description from C. T. Bingham's ...
Also unlike insects, they have fanged jaws instead of mandibles. Their skulls are triangular and flat, with a birthmark (such ... They resemble large insects and can vary in size. They generally retain the size of their hosts. Their hides are brown and ... In X-Men Legends II: Rise of Apocalypse, the Cerci are a race of insect enemies which are based on the Brood from the comics. ... Near the end of the War the "Earth Hive", the shared consciousness of every insect on Earth, use Humbug as a Trojan Horse to ...
It is a solitary predator of other insect species. Very little is known about the sting of this insect. Mosher, Dave (28 March ... Their elongated mandibles are almost as long as their forelegs. Males of another morph and all females have proportionally ...
Females will lock mandibles when fighting. Though no bees were observed to be injured after a fight took place, fighting may ... Traplining occurs when an insect will visit a series of flowers in a stable, repeatable sequence. Traplining gives the bee an ... Once she can reach inside, she will use her mandibles to crush the Ef. surinamensis egg and replace it with her own egg. Then ... ISBN 978-0-674-81175-1. Hogue, Charles Leonard (1993-01-01). Latin American Insects and Entomology. University of California ...
Note the characteristic position anchored by the mandibles. Bees have some of the most complex sleep states amongst insects.[5] ... Insects go through circadian rhythms of activity and passivity but some do not seem to have a homeostatic sleep need. Insects ... "Do insects sleep?". The Straight Dope. Retrieved 11 August 2013.. *^ Raizen DM, Zimmerman JE, Maycock MH, et al. (January 2008 ... Sleep is observed in mammals, birds, reptiles, amphibians, and some fish, and, in some form, in insects and even in simpler ...
Chewing insects have two mandibles, one on each side of the head. They are typically the largest mouthpart of chewing insects, ... Insects are used as the model, with the novel mouthparts of the other groups introduced in turn. Insects are not, however, the ... The mandibles are followed by paired first and second maxillae. Both the mandibles and the maxillae have been variously ... Insect mouthparts exhibit a range of forms. The earliest insects had chewing mouthparts. Specialisation includes mouthparts ...
It is a predatory insect, using its mandibles to catch other insects. The beetle is one of the rarest insects in North America ...
C. annularius, like most Diptera insects, differ in their diet through their life cycle. Larvae have mandibles and varying ... The mandibles are still oblique but have grown to a much larger size and have a dark black hue. The spinules and spines ... The mandibles are fully developed on an oblique plane, with a dominant apical tooth, a dorsal tooth, and an additional number ... This is common for insects but prevents many aquatic vertebrate predators from living in the same water. Added on to this, the ...
Dumérils fringe-fingered lizard eats insects, mainly Saharan silver ants. These have large soldiers with saber-like mandibles ... P. Gullen: The Insects: An Outline of Entomology. Nigel R. Andrew, John S. Terblanche: The response of insects to climate ...
The Miomopterans were small insects, with unspecialised chewing mandibles and short abdominal cerci. They had four wings of ... Miomoptera is an extinct order of insects. Although it is thought to be a common ancestor of all holometabolous insects, ... CS1 maint: discouraged parameter (link) Hoell, H.V.; Doyen, J.T. & Purcell, A.H. (1998). Introduction to Insect Biology and ... because no smooth transition between Miomoptera and other holometabolous insect orders is known, it is considered to be in a ...
The larva has a flattened form, a large head capsule, and prominent mandibles. The species occurs in the drier parts of South ... Adult A. sexguttata feed on other insects and snails. Gardner, J. C. M. (1939) The Larva Of Anthia Sexguttata(Fab.) (Coleopt. ...
Journal of Insect Physiology, 44, 241-253. Moffett, M. (1986) Mandibles that snap: notes on the ant Mystrium camillae Emery. ... all three are combined in the mandible." They achieve this speed by pressing the tips of their mandibles together, in a spring- ... In some species each colony has a single dealate queen with a larger thorax than workers but with mandibles similar to those of ... They have a unique defense mechanism in which they snap their mandibles to generate a powerful strike (Gronenberg et al. 1998; ...
When the insect enters, it builds galleries in the endosperm where the eggs are deposited. The insect is endemic to central ... They have strong mandibles, and their larval phase lasts 10 to 26 days. The adults are small black beetles. Females are 1.4-1.8 ... and Steinernema feltiae have been shown to infect the insect. Beauveria bassiana infection causes high mortality of the insect ... The new insects mate inside the seed. Some females lay the eggs in the same coffee plant, others colonize new ones. The males ...
A pair of mandibles lie inside the mouth. Myriapods breathe through spiracles that connect to a tracheal system similar to that ... "Pauropods: Pauropoda". Insects and Spiders Scientific Reference. Retrieved July 2, 2007. David Kendall (June 6, 2005). " ... insects and their close relatives). Under the Atelocerata hypothesis, Hexapoda is the closest, whereas under the Paradoxopoda ... of insects. There is a long tubular heart that extends through much of the body, but usually few, if any, blood vessels. ...
These lice chew on their hosts, which means that they have mandibles for feeding. They do, however, lack the maxillae that are ... common to most insects that chew their food. These lice have spiracles located on the edges of each segment of the abdomen to ...
Insect Predator-Prey Dynamics: Ladybird Beetles and Biological Control.Cambridge Univ. Press, 2005 v t e. ... They have comb-like structures on their mandibles with which they gather fungal spores. The genus contains two subgenera ( ...
... is a loanword, from the Māori word wētā, which refers to this whole group of large insects; some types of wētā (see below ... Wētā can bite with powerful mandibles. Tree wētā bites are painful but not particularly common. Tree wētā lift their hind legs ... "Book of Insect Records". Archived from the original on 3 July 2006. Retrieved 20 May 2006. Morgan-Richards, M (1997). " ... Giant wētā (wētā punga in Māori) are large by insect standards. They are heavy herbivorous Orthoptera with a body length of up ...
Mandible tries to kill Z, but Cutter rebels against Mandible and instead helps Z and the worker ants. Enraged, Mandible tries ... Lasseter claimed that if DreamWorks and PDI had made the film about anything other than insects, he would have closed Pixar for ... However, Mandible's second-in-command Colonel Cutter becomes concerned about Mandible's plans. Z and Bala come upon a human ... Along the way, he finds Bala held captive in Mandible's office. After he frees her, they both discover that Mandible's "Mega ...
... preying on arthropods and small insects or collecting sweet substances such as honeydew from sap-sucking insects. They play an ... The mandibles are sub-triangular with a curved apex. The apical and subapical teeth are sharp and short, but the proximal tooth ... They are among the first insects to be seen foraging for food in areas where bushfires have occurred, and in some cases they ... They are among the first insects to be found in burnt-off areas after the embers have stopped smouldering. Rain presents no ...
The jaws are formed by the maxillae and mandibles; the mandibles each contain a deep groove over which the maxilla fits neatly ... The adult insects are less well known, due to their relatively short lifespans compared to the larvae. Adults mostly fly at ... It has been thought to refer to ants forming a large percentage of the prey of the insect, the suffix "lion" merely suggesting ... When it first hatches, the tiny larva specialises in very small insects, but as it grows larger, it constructs larger pits, and ...
They use both their mandibles and their legs for holding prey. This way they can deal with several small insects at the same ... Eric R. Eaton (2007). Kaufman Field Guide to Insects of North America. HMCo Field Guides. p. 26. ISBN 0-618-15310-1. Retrieved ... These are not part of their mandibles, so strictly speaking they sting rather than bite. They are mostly nocturnal hunters. ... In a feeding study, S. coleoptrata showed the ability to distinguish between possible prey, avoiding dangerous insects. They ...
The mandibles and the maxillae are used for piercing the skin. The mandibles are pointed, while the maxillae end in flat, ... Main article: Insect repellent. Insect repellents are applied on skin and give short-term protection against mosquito bites. ... There are also electronic insect repellent devices which produce ultrasounds that were developed to keep away insects (and ... The insect wing is an outgrowth of the exoskeleton. The Anopheles mosquito can fly for up to four hours continuously at 1 to 2 ...
They belong to a moisture-loving group of insects, and prefer cool temperatures, and high humidity. Small bodies up to about ... Head is vertical and mandibles are small. Sexual dimorphic antennae where males possess longer and stouter antennae than ...
Visitors can see what insects and soil look like from that size, while learning about the biodiversity of soil and the ... the replica does not require a steel support under the mandible). An examination of the bones revealed that Sue died at age 28 ...
Insects were very similar to modern species, with termites building 30 m (100 ft.) tall nests. Along the rivers, there were ... It includes an incomplete skull and mandible (lower jaws) and much of the postcranial skeleton, i.e. the parts behind the head ...
... the seed is held between the mandibles and the lower mandible crushes the husk, whereupon the seed is rotated in the bill and ... the bulk of the yellow-tailed black cockatoo's diet is made up of insects.[61] ... The upper mandible is prominent, curves downward, and comes to a point. It is not fused to the skull, which allows it to move ... The lower mandible is shorter, with a sharp, upward-facing cutting edge, which moves against the flat portion of the upper ...
They have an elongated lower mandible which they use to feed by flying low over the water surface and skimming the water for ... Most terns hunt fish by diving but some pick insects off the surface of fresh water. Terns are generally long-lived birds, with ... Their preferred habitat is fairly open country, and they eat insects and fruit. The plumage of several species is dark with a ... They look like large dark gulls, but have a fleshy cere above the upper mandible. They are strong, acrobatic fliers. ...
Most terns hunt fish by diving but some pick insects off the surface of fresh water. Terns are generally long-lived birds, with ... sometimes with a casque on the upper mandible. Frequently, the bill is brightly coloured. There are 10 species which occur in ... They are named for their large flattened hooked bill and huge frog-like gape, which they use to take insects. There are 6 ... Their food is insects and seeds. There are 91 species worldwide and 2 species which occur in Malaysia. ...
It may have superficially resembled a modern-day silverfish insect. This species already possessed mandibles of a type ... Only some insects are true bugs, which is a particular order of insects. People who study insects are called entomologists. ... Some good insects eat pest insects, such as lady beetles (or ladybirds or ladybugs) eating aphids. Many insects eat dead plants ... When helpful insects are killed, such as those that eat pest insects, the pest insects may come back in larger numbers than ...
Social Insects Specialist Group (1996). "Formica rufa". The IUCN Red List of Threatened Species. 1996: e.T8645A12924924. doi: ... They have large mandibles, and like many other ant species, they are able to spray formic acid from their abdomens as a defence ... Robinson, William H. (2004). Urban Insects and Arachnids: A Handbook of Urban Entomology. Cambridge University Press. p. 247. ... These ants' primary diet is aphid honeydew, but they also prey on invertebrates such as insects and arachnids;[3] they are ...
... those specifically of insects জন্য, দেখুন Mandible (insect mouthpart)। ... "Mandible on www.merriam-webster.com"। ২ এপ্রিল ২০১৫ তারিখে মূল থেকে আর্কাইভ করা। সংগ্রহের তারিখ ২১ জুন ২০১৭।. ... এই নিবন্ধটি mammalian jawbone সম্পর্কিত। the mouthparts of arthropods জন্য, দেখুন Mandible (arthropod mouthpart)। ... The human skull, with the mandible shown in purple at the bottom. ...
The upper mandible of the beak is dark grey with pink edges, while the lower mandible is pink, darkening towards to the tip. ... It makes a low, cup-shaped nest into which it lays two or three white eggs, and it feeds on insects. However, details about its ...
Most adult insects grow very little after eclosion from the pupa. Some adult insects do not feed at all, and focus entirely on ... and these parts are also fused to the mandibles and thus form the typical mouth hooks of fly larvae. Maggots are also ... The egg stage in most insects is very short, only a few days. However, insects may hibernate, or undergo diapause in the egg ... Some insects undergo diapause as pupa. In this stage, the insect's physiology and functional structure, both internal and ...
The platypus is a carnivore: it feeds on annelid worms, insect larvae, freshwater shrimp, and freshwater yabby (crayfish) that ... "The mandible and dentition of the Early Cretaceous monotreme Teinolophos trusleri". Alcheringa: An Australasian Journal of ...
അസ്ഥി (Carpus · Collar bone (clavicle) · Thigh bone (femur) · Fibula · Humerus · Mandible · Metacarpus · Metatarsus · Ossicles ... 20: Nervous system". The insects: structure and function. Cambridge University Press. pp. 533-568. ISBN 9780521578905. .. .mw- ...
These large weta have a broad body and a round head, along with short mandibles.[4] Compared to other cricket species the wetas ... D. heteracantha are arboreal forest insect dwellers found on Little Barrier Island which lies off the coast of New Zealand. ... Colenso, W. 1881: On some new and undescribed species of New Zealand insects of the orders Orthoptera and Coleoptera. ... International Journal of Insect Morphology and Embryology (22): 163-183. ...
... s are preyed on by a wide range of animals, including various reptiles, amphibians, birds, mammals, and insects.[5] ... The head of a millipede is typically rounded above and flattened below and bears a pair of large mandibles in front of a plate- ... Millipedes generally have little impact to human economic or social well-being, especially in comparison with insects, although ... feeding on insects, centipedes, earthworms, or snails.[27][45] Some species have piercing mouth parts that allow them to suck ...
The Impertinent Insect is a group of five fables, sometimes ascribed to Aesop, concerning an insect, in one version a fly, ... The mouthparts are specially adapted for a liquid diet; the mandibles and maxillae are reduced and not functional, and the ... Gullan PJ, Cranston PS (2010). The Insects: An Outline of Entomology (4th ed.). Wiley. pp. 41, 519. ISBN 978-1-118-84615-5. .. ... Lockwood JA (2012). "Insects as weapons of war, terror, and torture". Annual Review of Entomology. 57: 205-27. doi:10.1146/ ...
Most of the diet is comprised by small fish, but locally aquatic insects can be very important prey for grebes of all ages. ... In holboellii the yellow extends almost to the end of the lower mandible, whereas on grisegena the yellow is much more ...
Unlike vertebrates, insects do not generally carry oxygen in their haemolymph.[26] This is one of the factors that may limit ... Many insects, such as grasshoppers and bees, which actively pump the air sacs in their abdomen, are able to control the flow of ... Insects have an open respiratory system made up of spiracles, tracheae, and tracheoles to transport metabolic gases to and from ... Insects have an open respiratory system made up of spiracles, tracheae, and tracheoles to transport metabolic gases to and from ...
It mainly feeds on the ground and will also make short flights to catch flying insects. A few seeds are also eaten. ... a long tail with white outer-feathers and a long dark bill with a yellowish base to the lower mandible. The hindclaw is long ...
... it possessed dicondylic mandibles, a feature associated with winged insects.[25] ... Short lived winged insects Mayflies Exopterygota ἔξω (exo, external) Outdoor flying insects Insects that undergo incomplete ... Insect wings are adult outgrowths of the insect exoskeleton that enable insects to fly. They are found on the second and third ... "Aerodynamics of Insects. Cislunar Aerospace. 1997. Retrieved March 28, 2011.. *^ a b c d e f g h i j Chew, Peter (May 9, 2009 ...
Hartenstein, Volker (September 1997). "Development of the insect stomatogastric nervous system". Trends in Neurosciences. 20 (9 ...
Many insect species of the order Hymenoptera (bees, ants, wasps) are eusocial. Within the nests or hives of social insects, ... or the alarm sound Synoeca cyanea make by rubbing their mandibles against their nest.[131] Yet other examples are the cases of ... 7 Altruism and conflict in social insects *7.1 Conflicts in social insects ... Conflicts in social insectsEdit. Although eusociality has been shown to offer many benefits to the colony, there is also ...
They are located either on the head or elsewhere, depending on the insect family.[75] The tympanal organs of some insects are ... As the mandible forms they move towards their final position level with the eyes.[13][18] ... Yack, JE; Fullard, JH (1993). "What is an insect ear?". Ann. Entomol. Soc. Am. 86 (6): 677-682. doi:10.1093/aesa/86.6.677.. ... In insects, tympanal organs are used to hear distant sounds. ... in the lower neck region and moves upwards as the mandible ...
It may have superficially resembled a modern-day silverfish insect. This species already possessed dicondylic mandibles (two ... Insectivorous insects, or insects that feed on other insects, are beneficial to humans if they eat insects that could cause ... The study of pollination by insects is known as anthecology. ParasitismEdit. Many insects are parasites of other insects such ... See also: Insect ecology. Insect ecology is the scientific study of how insects, individually or as a community, interact with ...
Two bony projections-the upper and lower mandibles-covered with a thin keratinized layer of epidermis known as the rhamphotheca ... and the mandible (bottom beak). The skull of a normal bird usually weighs about 1% of the bird's total body weight. The eye ...
The bones of the mandible and quadrate bones can also pick up ground borne vibrations.[48] Because the sides of the jaw can ... Renewal of the skin by molting is supposed to allow growth in some animals such as insects; however, this has been disputed in ... worms or insects.[17][3][18][72] Because snakes cannot bite or tear their food to pieces, they must swallow prey whole. The ...
Weseloh, Ronald M.; Hare, J. Daniel (2009). "Predation/Predatory Insects". Encyclopedia of Insects (Second ed.). pp. 837-839. ... Large compound eyes, sensitive antennae, and powerful jaws (mandibles) of jack jumper ant ... For example, bats have sophisticated echolocation systems to detect insects and other prey, and insects have developed a ... Encyclopedia of Insects (Second ed.). pp. 1049-1052. doi:10.1016/B978-0-12-374144-8.00275-7. ISBN 9780123741448. .. ...
The Impertinent Insect is a group of five fables, sometimes ascribed to Aesop, concerning an insect, in one version a fly, ... The mouthparts are specially adapted for a liquid diet; the mandibles and maxillae are reduced and not functional, and the ... Journal of Insect Physiology. 48 (10): 945-950. doi:10.1016/s0022-1910(02)00162-2. ISSN 1879-1611. PMID 12770041.. ... Gullan, P. J.; Cranston, P. S. (2010). The Insects: An Outline of Entomology (4th ed.). Wiley. pp. 41, 519. ISBN 978-1-118- ...
Interommatidial angles in insects go from tens of degrees to 0,24° in dragonflies which puts the mantids on the upper end of ... Only living and moving prey is captured and consumed immediately using their powerful mandibles. Grasshoppers seem to be rather ... The ovipositor is rather short in comparison to other insects. It is covered by part by the edges of the last sternum. The ... Theories are that the female pheromones are most volatile in the heat and that also the male, as a thermophilic insect, is most ...
The longer-toothed cats often had a bony flange that extended from their lower mandible. However, one genus, Xenosmilus, known ... Carnivores reduced the number of their teeth as they specialized in eating meat instead of grinding plant or insect matter. ... The earliest adaptations improving the speed at which prey was killed are present in the skull and mandible of P. ogygia and of ... It has also been argued that the mandible and an inability to open the mouth very wide would have been an impediment to ...
Insect mandibles are a pair of appendages near the insects mouth, and the most anterior of the three pairs of oral appendages ... or cut the insects food, or to defend against predators or rivals. Insect mandibles, which appear to be evolutionarily derived ... have modified mandibles. Rather than being tooth-like, the mandibles of such insects are lengthened into stylets, which form ... scale insects, thrips, and other plant-sucking insects that damage crops. The mandibles in Phthiraptera (lice) are also ...
Insect mandibles are a pair of appendages near the insects mouth, and the most anterior of the three pairs of oral appendages ... or cut the insects food, or to defend against predators or rivals. Insect mandibles, which appear to be evolutionarily derived ... have modified mandibles. Rather than being tooth-like, the mandibles of such insects are lengthened into stylets, which form ... The mandibles are therefore instrumental in piercing the plant or animal tissues upon which these insects feed, and in helping ...
The Specific Location of Zinc in Insect Mandibles Message Subject (Your Name) has sent you a message from Journal of ...
... the antennae can help the mandibles push food into the mouth. The mandibles of a nauplius have two branches with a chewing or ... In the adult the mandible loses one of the branches, sometimes retaining the other as… ... Other articles where Mandible is discussed: crustacean: Appendages: … ... In insect: Head. …a pair of hard, toothed mandibles. These are followed by a pair of structures called first maxillae, each ...
A5 postcard of a vintage insect illustration. Shipping of postcards is for free, please choose local pickup as shipping ... A5 postcard of a vintage insect illustration.. Shipping of postcards is for free, please choose "local pickup" as shipping ...
Chewing insects[edit]. The trophi, or mouthparts of a locust, a typical chewing insect: 1 Labrum 2 Mandibles; 3 Maxillae 4 ... A chewing insect has a pair of mandibles, one on each side of the head. The mandibles are caudal to the labrum and anterior to ... Two sets of muscles move the mandibles in the coronal plane: abductor muscles move insects mandibles apart (laterally); ... Typically the mandibles are the largest and most robust mouthparts of a chewing insect, and it uses them to masticate (cut, ...
These are an unnamed species of very short humanoids with bony skin and what appears to be large insectoid-style mandibles and ... Insect-mandibles Alien. Revision as of 21:41, May 1, 2020 by Stella the Starbot (wall , contribs) ... aliens.fandom.com/wiki/Insect-mandibles_Alien?oldid=171733" ... skin and what appears to be large insectoid-style mandibles and ...
The social insects bestiary. In: Social Insects vol. III (Hermann H.R., Ed), Academic Press, New York. pp 1-244Google Scholar ... In: Insect Larvae of Japan (Hayashi N., Ed), Gakken, Tokyo, pp 26 (in Japanese)Google Scholar ... In: The Encyclopaedia of Animals in Japan (9) Insect 2 (Ishii M., Ohtani T. and Johki Y., Eds), Heibonsha, Tokyo, pp 16-17 (in ... A new beaded lacewing from a new Lower Cretaceous amber outcrop in Lebanon (Neuroptera: Berothidae). In: Insect Evolution in an ...
1998b). Jaws that snap: control of mandible movements in the ant Mystrium. J. Insect Physiol. 44, 241-253. doi:10.1016/S0022- ... where m is the mass of the mandible and r is mandible length. The kinetic energy of the mandible, Ek, was calculated as: (2) ... AbM, mandible opener muscle (white); AdA, closer apodeme (gold); AdM, slow mandible closer muscle (red); fAdM, fast mandible ... AbM, mandible opener muscle; AdA, closer apodeme; AdM, slow mandible closer muscle; fAdM, fast mandible closer muscle; Md, ...
The cutting edge of the mandibles of many insects that chew their way through hard substrates during egress from their pupation ... X-ray microanalysis of the ovipositor and mandibles of various hymenopterous insects has revealed the presence in many species ...
MANDIBLE Meaning: jaw, jawbone, from Late Latin mandibula jaw, from Latin mandere to chew, which is perhaps from PIE… See ... Of insect mouth parts from 1826. ... Definitions of mandible from WordNet. mandible. (. n.. ). the ... mandible (n.). late 14c., jaw, jawbone, from Late Latin mandibula jaw, from Latin mandere to chew, which is perhaps from ...
... who make the best cricket protein bars on the planet-made a compelling case for eating more insects. ... Entomophagy is mandible-to-abdomen eating. Eating the whole animal is the goal of most conscious meat-eaters. Its more ... Insects (along with shellfish and small fatty fish) work for now.. Insects offer copious nutrition. In one recent study, ... More tinkering with insect feed. Just like chickens and pigs, the fatty acid composition of an insect depends on the fatty acid ...
3: Antennae 2 (insects: absent). - Mouth. #4: Mandibles. #5: Maxillae 1. #6: Maxillae 2 (insects: labium). #7: Walking limbs 1 ... If Im not mistaken, insects are closest to myriapods, on account of their uniramous appendages. Does this mean that insects ... Insects and arachnids also have limbs specialized in difference ways; I once posted on that in Bug Heads, Bug Heads, Roly-Poly ... "The case of the modification of the antenna of the insect into a foot, of the eye of a crustacean into an antenna, or a petal ...
Typical Ant Mandibles. Like all pterygote insects, ant mandibles have two points of articulation with the head (such mandibles ... Mandibles (jaws) are a crucial tool for many insects, but perhaps in no insect group are they more highly utilized than in ... Role of Mandibles. Manipulation of objects. Like most insects, ants lack grasping forelegs (such as those found in the Mantodea ... The basic mouthparts of insects include (from anterior to posterior) the labrum (upper lip), paired mandibles, paired maxillae ...
... mandibles strong,… ... insect family. THIS IS A DIRECTORY PAGE. Britannica does not ...
Have compound eyes, mandibles. Open circulatory system with sinuses. A nevrous system with anterior ganglion and a ventral ... Insects. Single stalked antennae. Compound eyes, hemocoel, repiration by trachea and reproduce by copulation. Chitinous ...
Note the characteristic position anchored by the mandibles. Bees have some of the most complex sleep states amongst insects.[5] ... Insects go through circadian rhythms of activity and passivity but some do not seem to have a homeostatic sleep need. Insects ... "Do insects sleep?". The Straight Dope. Retrieved 11 August 2013.. *^ Raizen DM, Zimmerman JE, Maycock MH, et al. (January 2008 ... Sleep is observed in mammals, birds, reptiles, amphibians, and some fish, and, in some form, in insects and even in simpler ...
Publication: Kirby,W. 1825: A brief description of a pair of remarkable horned mandibles of an insect. ZOOL. J. LONDON: 2(5):70 ...
In insects,the basic structures of the mouthparts are the same, including a labrum (upper lip), a pair of mandibles, a ... Homology: Insect mouthparts. Adaptive radiation of insect mouthparts: a, antennae; c, compound eye; lb, labrium; lr, labrum; md ... Insect mouthparts and antennae are considered homologues of insect legs. Parallel developments are seen in some arachnids: The ... Strong mandibles and maxillae for manipulating food. (B) Ticking and biting: E.g., honeybee. Labium long to lap up nectar; ...
How Insects Fight. Stings, Mandibles, Horns and Poisons in Warfare. August 30, 1913 - Percy Collins ... Catalepsy in Insects. Experiments Showing how Insects Pass Periodically into a Trance ...
How Insects Fight Stings, Mandibles, Horns and Poisons in Warfare. By Percy Collins ...
Shop mandible wall clocks and always be on good times. Because you choose the art, frame and hand colors, created by thousands ... A fibre (felt-tip) pens illustration (pointillism) of an insect alien.. by Bastetamon ...
The mandibles are clearly visible on the head. According to Jim Bangma, "dancer.... Blue-fronted Dancer Damselfly - Male Argia ... Some adult insects live for a very short time, some have no mouth and dont eat. Only adult insects have wings and are able to ... All insects start out their life in the egg stage. An insect that goes through complete metamorphosis hatches from the egg as a ... Insects IV - True Flies, Dragonflies and insects with "fly" in their name. This gallery has flies, gnats, mosquitoes, ...
Mandibles (noun) - tooth-like jaws present in insects with chewing mouthparts. Caterpillars have mandibles, but adult ... Like all other insects, butterflies have six legs and three main body parts: head, thorax (chest or mid section) and abdomen ( ... Life cycle (noun) - the phases or changes that an insect goes through from the egg stage until its death as an adult. ... Abdomen (noun) - the last segment of an insects body, located at the tail end. The heart, reproductive organs and much of the ...
The DS-40, with its stereo microphone attachment, resembles a hideous robot insect from the future. Thankfully, it didnt bite ... our heads off with silicon mandibles; instead, it merely recorded outstandingly clear dictation. The 512 MB of on board memory ...
A tiny fossil forgotten in a museum drawer for 76 years is the oldest known insect in the world and may have been the first ... All that survived were two mandibles or jaw mouth parts. Tell-tale bumps on the mandibles showed the creature was an insect. ... The discovery pushes back the date of the earliest known insect by 30 million years and suggests insects were among the first ... Previously the oldest insects were a pair of wingless bugs found in New York, dated to around 379 million years ago. ...
If insect is found feeding on a plant, correct specimen identification may also require an identification of the plant as well ... Include head capsule and side view with prolegs of caterpillars; mouthparts, mandibles or proboscis ... If possible, emailing digital photos of an unidentified insect pest can save time and save you on mailing costs. Things to ...
Eats insects. 96. Multiple mandibles (jaws). 97. Skin only, no fur, scales or feathers. 98. Lives in trees. 99. Moves by ...
The stick insect is resting. It hasnt got a lot of time left on this planet, as it goes. Stick insects probably live to about ... Mandibles, excellent for eating. Not so good for stringing an understandable sentence together ... A stick insect breathes a sigh of relief. No, you go on ahead, Ill have half-hour on the hedge cutter and catch you up there ... they notice and decide to keep the stick insect as a pet. People do keep stick insects as pets. ...
This publication summarizes Integrated Pest Management for insect pests of pulse crops including identification, crop damage, ... Forcepslike, curved tubular mandibles.. - Mottled gray to brown body.. • Pupae. - Formed inside a spherical silken cocoon.. - ... This Pulse Crop Insect Diagnostic Series provides integrated pest management (IPM) information on the key insect pests of pulse ... Generalist predator: aphids, thrips and other soft-bodied insects and insect eggs.. • When prey is scarce, lady beetles also ...
  • Nearly all adult beetles, and many beetle larvae, have mandibles. (wikipedia.org)
  • Ground beetles (family Carabidae) of the tribe Cychrini have long mandibles that project far in front of them, which aid them in feeding on snails inside their shells. (wikipedia.org)
  • Members of the stag beetle family (Lucanidae) have greatly enlarged mandibles that are often forked, resembling the horns of various deer, from which their common name comes, and similar modifications appear in various scarab beetles and longhorn beetles. (wikipedia.org)
  • Males of these beetles use their mandibles to grasp or displace each other as they compete for mates. (wikipedia.org)
  • Examples of chewing insects include dragonflies , grasshoppers and beetles . (wikipedia.org)
  • the hardened forewings used to protect the membranous hind wings of insects in the order Coleoptera (beetles and weevils). (ento.csiro.au)
  • The beetles are considered the rarest insect in Nebraska and are already protected under Nebraska State law. (fws.gov)
  • Tiger beetles are active, ground‑dwelling, predatory insects that capture smaller or similar-sized arthropods in a tiger‑like manner. (fws.gov)
  • The beetles do not sting, but they can pinch with their mandibles. (gardenguides.com)
  • Adult rove beetles use their large mandibles to dine on fly maggots, mites, and other beetles' larvae. (cirrusimage.com)
  • Larvae, with few exceptions, feed primarily on insects destructive to bark and wood, such as the larvae of bark beetles and longhorned beetles. (wisc.edu)
  • Although small in size, tiger beetles are important predators of the insect world and, unfortunately, a favorite among collectors. (tamu.edu)
  • Consequently, tiger beetles are one of the best studied non-pest insects and even have their own journal, Cicindela , which is dedicated to their biology. (tamu.edu)
  • Row cover, a breathable spun fabric, is offered as a solution to striped cucumber beetles, and it reminds the reader that cukes are insect pollinated so you can't keep it on once your vines start to produce blossoms. (hippopress.com)
  • Instead, it hitches a ride on pine sawyer beetles -substantial, finger-sized insects with long antennae and sharp mandibles. (nationalgeographic.com)
  • That's important-many beetles bore into wood and it would be counter-productive for the nematodes to get a boarding announcement from an insect that can't serve as its host. (nationalgeographic.com)
  • Lady beetles , also known as ladybugs and ladybird beetles, are perhaps the most well-known beneficial insect. (backyardgardener.com)
  • The social insects' bestiary. (springer.com)
  • Social Insects vol. (springer.com)
  • Like other social insects, ants construct often elaborate nests, using their mandibles to dig into dirt or wood, and then again to carry the debris away. (tolweb.org)
  • In contrast with most other social insects, however, ants have a system of cooperative brood care in which eggs and larvae are directly handled by attending workers. (tolweb.org)
  • They are social insects, in which many sterile workers serve a single queen. (newscientist.com)
  • This review brings attention to the value of social parasites for understanding the mechanisms regulating reproductive dominance in social insects. (springer.com)
  • It is a diverse group and includes some very common and conspicuous species, including most of the social insects. (tolweb.org)
  • a distinct type of body form within a colony of social insects e.g. soldier, worker, queen. (ento.csiro.au)
  • Honeybees are social insects and have large colonies. (wikibooks.org)
  • This week we get bitten by the bug as Ian Burgess talks about the nasties that nibble us in the night, William Foster discusses social insects and how individuals in colonies communicate, Bee Wilson describes the useful properties of honey, and Megan Frederickson reveals how Amazonian ants use formic acid to create Devil's Gardens. (thenakedscientists.com)
  • The mouthparts of orthopteran insects are often used as a basic example of mandibulate (chewing) mouthparts, and the mandibles themselves are likewise generalized in structure. (wikipedia.org)
  • The Hemiptera, and other insects whose mouthparts are described as piercing-sucking, have modified mandibles. (wikipedia.org)
  • Within the Neuropterida, adults have chewing mouthparts, but the mandibles of male dobsonflies are non-functional in feeding. (wikipedia.org)
  • The larvae in many lineages are predatory, with mandibles modified with grooves along which digestive saliva flows, while the larvae of the family Sisyridae have the mouthparts developed into a sucking tube which they use to feed on the liquid tissues of freshwater sponges. (wikipedia.org)
  • The development of insect mouthparts from the primitive chewing mouthparts of a grasshopper in the centre (A), to the lapping type (B) of a bee, the siphoning type (C) of a butterfly and the sucking type (D) of a female mosquito. (wikipedia.org)
  • Insects have a range of mouthparts , adapted to particular modes of feeding. (wikipedia.org)
  • The earliest insects had chewing mouthparts. (wikipedia.org)
  • In this page, the individual mouthparts are introduced for chewing insects. (wikipedia.org)
  • Insect mouthparts show a multitude of different functional mechanisms across the wide diversity of species considered insects. (wikipedia.org)
  • Some insects do not have chewing mouthparts as adults but do chew solid food when they feed while they still are larvae . (wikipedia.org)
  • Typically the mandibles are the largest and most robust mouthparts of a chewing insect, and it uses them to masticate (cut, tear, crush, chew) food items. (wikipedia.org)
  • The basic mouthparts of insects include (from anterior to posterior) the labrum (upper lip), paired mandibles, paired maxillae, and the labium (lower lip) (Chapman, 1998). (tolweb.org)
  • They do this by grasping prey with their mandibles or mouthparts. (fws.gov)
  • Specialized insect mouthparts, such as those of Drosophila , are derived from an ancestral mandibulate state, but little is known about the developmental genetics of mandibulate mouthparts. (genetics.org)
  • SPECIALIZED insect mouthparts are derived from an ancestral mandibulate state, with chewing mandibles and maxillary and labial palps. (genetics.org)
  • Through functional study of 13 genes in the beetle Tribolium castaneum , we examine patterning in mandibulate mouthparts and test several hypotheses about the evolution of insect mouthparts. (genetics.org)
  • Early insects evolved a generalized set of mouthparts useful in biting, chewing, and manipulation of food. (genetics.org)
  • Over the last 350 million years, insect mouthparts diversified along with new food sources, and many specialized mouthparts have been derived from the ancestral mandibulate form ( Grimaldi and Engel 2005 ). (genetics.org)
  • Thus, the hypothesis that ancestral insect mouthparts developed using a general arthropod appendage-patterning network remains to be fully tested. (genetics.org)
  • Beetle mandibles show a remarkable amount of variability between species, and some are very highly adapted to the food sources or other uses that the species has for them. (wikipedia.org)
  • Some species are serious agricultural pests, such as the Colorado potato beetle, while others such as Coccinellidae (ladybirds or ladybugs) eat aphids, scale insects, thrips, and other plant-sucking insects that damage crops. (wikipedia.org)
  • In males of some species, such as of Lucanidae and some Cerambycidae , the mandibles are modified to such an extent that they do not serve any feeding function, but are instead used to defend mating sites from other males. (wikipedia.org)
  • These are an unnamed species of very short humanoids with bony skin and what appears to be large insectoid-style mandibles and are occasionally seen wandering about in the Deep Space 9 station. (fandom.com)
  • X-ray microanalysis of the ovipositor and mandibles of various hymenopterous insects has revealed the presence in many species of up to 10% wt/wt of either zinc or manganese in the cuticle. (cumhuriyet.edu.tr)
  • In contrast, the 105-million-year-old mantis discovered in Spain ( Aragonimantis aenigma ) is a nymph (young insect), and represents a new genus and species. (livescience.com)
  • In eusocial insects, the high cost of altruistic cooperation between colony members has favoured the evolution of cheaters that exploit social services of other species. (springer.com)
  • In the most extreme forms of insect social parasitism, which has evolved multiple times across most social lineages, obligately parasitic species invade the nests of social species and manipulate the workforce of their hosts to rear their own reproductive offspring. (springer.com)
  • A few bee species that do not have stingers bite using the mandibles. (wikibooks.org)
  • It's difficult to photograph insects and photographing them with a tripod is pretty much impossible depending on the species. (andipantz.com)
  • Ants' numerous symbiotic relationships with plants and thousands of species of arthropods (insects, spiders , mites , etc.) reflects on the harmony of nature, and ants' unique and often fascinating behaviors adds to the human wonder of nature. (newworldencyclopedia.org)
  • Adapting to their habitat, many insect species evolved wings --- two pairs for most and one pair for others. (ehow.co.uk)
  • Coleoptera is the largest order in the animal kingdom, containing a third of all insect species. (cirrusimage.com)
  • Insects alone number more than 700,000 species, accounting for some 80 percent of all animals on Earth. (scholastic.com)
  • but such as it is, I hope, that at any rate it will increase the number of students of these neglected, but most interesting insects, and thus lead to an extension of our knowledge of the British species and their habits. (ebooksread.com)
  • Other species are found under the bark of trees or in burrows of wood-infesting insects. (wisc.edu)
  • On Earth, insects are easily the most numerous creatures in the world with their species numbering around one million. (worldatlas.com)
  • thus, many species rely on nest burrows made by other insects. (greatsunflower.org)
  • The greatest numbers of individuals and highest levels of species richness of phytophagous insects, natural enemies, and pollinators were observed in the upper and middle parts of the L. leucocephala canopy. (bioone.org)
  • Although we focus on the insects that destroy our landscape plants and crops, these undesirable insects give a bad name to virtually all insect species, most of which are beneficial. (backyardgardener.com)
  • Many species spin also complex webs to entrap the insects upon which they prey. (wordnik.com)
  • any one of numerous species of parasitic dipterous insects of the family Hippoboscidæ . (wordnik.com)
  • The vast majority of species don't have mandibles strong enough to break our skin. (treehugger.com)
  • One species called the globe skimmer, Pantala flavescens , flies across an ocean during migration, logging 11,000 miles (17,700 kilometers) and snagging the title of world's longest insect migration . (treehugger.com)
  • Certain firefly larvae (family Lampyridae) that feed on snails have grooved mandibles that not only physically break down their prey, but also deliver digestive fluids by these grooves. (wikipedia.org)
  • Likewise, the mandibles of adult and larval Odonata are simple and generalized, while Ephemeroptera rarely feed as adults, though the larvae ("nymphs") have simple mandibles. (wikipedia.org)
  • In such insects, the egg hatches to produce a larva, which may have three pairs of jointed legs (e.g., most beetle larvae) or none (e.g., fly larvae). (fao.org)
  • The large aquatic larvae, called hellgrammites and much used by fishermen as bait, feed on aquatic insects for three years and then emerge to pupate on land. (infoplease.com)
  • larvae) the immature stage of most insects. (ento.csiro.au)
  • This album contains photos of insects, their larvae and nymphs in the Coleoptera, Hemiptera, and Homoptera orders. (easttennesseewildflowers.com)
  • Baby" insects, called larvae or nymphs (depending on which type of metamorphosis they go through) hatch from the eggs. (easttennesseewildflowers.com)
  • other prey of this family includes earthworms, cutworms, leaf beetle larvae and various other soft-bodied insects. (wisc.edu)
  • The larvae are brown and white with big mandibles for grasping prey. (hippopress.com)
  • They generally lay their eggs in the bodies, larvae or eggs of other insects. (hippopress.com)
  • Green lacewing larvae are called "aphid lions" from their large consumption of aphids, as well as mites and other small insects. (backyardgardener.com)
  • Once the larvae hatch, they consume the insect hosts. (backyardgardener.com)
  • the antennae can help the mandibles push food into the mouth. (britannica.com)
  • Insects typically have a pair of antennae. (ehow.co.uk)
  • They have large bulging eyes, pointed mandibles and relatively long antennae. (tamu.edu)
  • For the corresponding mouthpart in other arthropods, see Mandible (arthropod mouthpart) . (wikipedia.org)
  • a pair of jointed appendages on the tip of the abdomen of insects and other arthropods. (ento.csiro.au)
  • Spiders, insects and crustaceans are all different types of arthropods. (wikibooks.org)
  • Along with arachnids, crustaceans and insects belong to the same group---arthropods. (ehow.co.uk)
  • Although the arachnids are easily differentiated from other arthropods, the distinctions between crustaceans and insects are present, but a bit trickier to spot at times. (ehow.co.uk)
  • Insects and some other land arthropods breathe through a system of tiny body tubes called tracheae. (scholastic.com)
  • This entry was written by whyevolutionistrue and posted on July 1, 2018 at 8:30 am and filed under arthropods , insects , photography , spiders . (wordpress.com)
  • In some ants and termites , the mandibles also serve a defensive function (particularly in soldier castes). (wikipedia.org)
  • In bull ants , the mandibles are elongate and toothed, used both as hunting and defensive appendages. (wikipedia.org)
  • Trap-jaw ants are characterized by high-speed mandibles used for prey capture and defense. (biologists.org)
  • Power-amplified mandibles have independently evolved at least four times among ants, with each lineage using different structures as a latch, spring and trigger. (biologists.org)
  • Upon stimulation of the trigger hairs, the mandibles shut in as little as 0.5 ms and at peak velocities that are comparable with other trap-jaw ants, but with much slower acceleration. (biologists.org)
  • However, the power output of Myrmoteras mandibles is significantly lower than distantly related trap-jaw ants using different spring-loading mechanisms, indicating a relationship between power-amplification mechanism and performance. (biologists.org)
  • Ants in the genera Strumigenys and Daceton (subfamily Myrmicinae), for example, have specialized labra that block and release the mandibles ( Gronenberg, 1996b ). (biologists.org)
  • Trap-jaw ants in the genera Anochetus and Odontomachus (subfamily Ponerinae) have a modified mandible insertion that locks the jaws open during muscle loading, and a specialized fast trigger muscle that unlocks the mandibles from the joint and allows them to close ( Gronenberg, 1995a , b ). (biologists.org)
  • Mandibles ('jaws') are a crucial tool for many insects, but perhaps in no insect group are they more highly utilized than in the ants (Formicidae). (tolweb.org)
  • Ants use their mandibles for a diverse array of activities, and are thus constrained by the need to have mandibles which can fulfill a number of functions. (tolweb.org)
  • Despite these constraints, ants have evolved a spectacular diversity of mandible shapes. (tolweb.org)
  • It begins with a description of the basic roles that mandibles play in the daily lives of ants. (tolweb.org)
  • The remaining sections (not yet developed) will describe further variations on the basic pattern, including mandibles specialized for prey capture, mandibular variation within a colony (allometric growth and caste systems, for example in the army ants), and mandibles specialized for warfare. (tolweb.org)
  • Like most insects, ants lack grasping forelegs (such as those found in the Mantodea and Mantispidae) and compensate for this by using their mandibles as 'hands. (tolweb.org)
  • Ants use their mandibles to manipulate all sorts of objects, such as food particles of varying sizes (from very small to many times larger and heavier than the ant itself) and even liquids (e.g. water or honeydew suspended as a drop between the mandibles). (tolweb.org)
  • Another fascinating use of mandibles in some ants is social carrying, in which one worker will physically carry another worker in its mandibles to aid in recruitment to a food source or new nest site. (tolweb.org)
  • Carnivorous ants often use their mandibles to decapitate or dismember their prey, to facilitate feeding or storage. (tolweb.org)
  • Mandibles are also crucial to the hunting success of predatory ants. (tolweb.org)
  • Mass foraging predators (e.g. army ants, described below) use their mandibles to pin down prey from all sides while their nestmates dispatch it. (tolweb.org)
  • among these are the African driver ants of the subfamily Dorylinae , which in great numbers are capable of killing large mammals solely through the action of their mandibles (Hölldobler and Wilson, 1990). (tolweb.org)
  • Perhaps more important generally is the role of mandibles in defense against smaller predators and competitors, such as other ants. (tolweb.org)
  • Many ants have a major worker caste ('soldiers') with large body size and massive mandibles (e.g. (tolweb.org)
  • Some ants have evolved mandibles specialized for offense against other ants, including Polyergus , a genus of slave-making ants which uses its sickle-like mandibles to maim or kill Formica workers defending their brood (see below). (tolweb.org)
  • I was very anxious for a warm day to go out and find insects to photograph with my new macro lens, I really was desperate if I had to settle for ants and a fly! (easttennesseewildflowers.com)
  • Ants are among the most abundant, conspicuous and ecologically important insects in the Sonoran Desert. (tolweb.org)
  • Ants are insects that belong to the family Formicidae . (kidzworld.com)
  • These ants are supposed to protect the rest of the colony from predators like spiders , flies and other insects. (kidzworld.com)
  • Together, bees, wasps and ants make up the insect order Hymenoptera, which means 'membranous wings. (howstuffworks.com)
  • All bees, wasps, hornets and ants belong to a common insect order Hymenoptera. (wikibooks.org)
  • In the millions of years that ants have crawled the earth, they have become some of the most fascinating and amazing insects. (readinga-z.com)
  • Ants are insects of the family Formicidae . (newworldencyclopedia.org)
  • Beyond these ecological values, humans benefit in many ways, including in the role of ants in keeping potentially harmful insects, such as termites and agricultural pests, under control. (newworldencyclopedia.org)
  • In some cultures, ants are used as food and ingredients in traditional medicines, and army ants (with their powerful mandibles) are even used as emergency sutures for wounds. (newworldencyclopedia.org)
  • The mandibles are used to clip pieces of vegetation, gather wood fibers, dig nests, or to capture and disassemble prey. (wikipedia.org)
  • Mandibles can be wielded as formidable weapons in their own right, or as tools with which to grasp prey until a paralyzing sting can be delivered (a common strategy in the Ponerinae , most of which are solitary predators). (tolweb.org)
  • A number of highly modified mandibles have evolved in response to the requirements of catching certain prey, especially those that are otherwise difficult to catch (e.g. collembolans). (tolweb.org)
  • All of the specimens have so-called "raptorial forelegs," which likely helped the insects catch and grip prey. (livescience.com)
  • Polistes are commonly seen hunting for insect prey, but they also feed on nectar, so you may find them attending flowers like bees. (tolweb.org)
  • Megacephala carolina carolina has a very impressive and very powerful pair of mandibles for catching and retaining its prey. (tamu.edu)
  • The legs of this insect have hook-like structures that are useful for grasping prey. (worldatlas.com)
  • This name perfectly suits the insects in this group because their wings are covered with thousands of tiny scales overlapping in rows. (uky.edu)
  • The distinctive shape indicated that the insect - named Rhyniognatha hirsti - had wings. (telegraph.co.uk)
  • He believes that the insect, which had been preserved in the mud of a hot spring, had six legs and four wings and was around 5mm long. (telegraph.co.uk)
  • Butterflies are popular, well-known insects with large, colorful wings covered with tiny scales. (encyclopedia.com)
  • They are the reduced hind wings of insects in the Diptera order. (ento.csiro.au)
  • An order of insects possessing biting jaws and usually four membranous wings in which there are a few veins. (google.co.uk)
  • An order of Insects, characterised by the possession of a spiral proboscis, and of four large more or less scaly wings. (google.co.uk)
  • Bees are flying insects with two pairs of transparent wings. (wikibooks.org)
  • All these insects have transparent wings and share a similar anatomy. (wikibooks.org)
  • In a move that could signal an end to bad backs, writing in last week's edition of Nature a team of Australian scientists led by the Queensland researcher Dr Chris Elvin have successfully copied the insect gene that enables the wings of a bee to flap at least 500 million times during its life, and has catapulted "frog hoppers" into the Guinness Book of Records as the world's greatest jumpers. (thenakedscientists.com)
  • Small opening on the body of an insect through which it breathes Where did insect wings come from? (coursehero.com)
  • Lacewings are beautiful green flying insects with diaphanous wings. (hippopress.com)
  • Spiders have the mandibles converted into poison fangs, or falcers. (wordnik.com)
  • pair of chewing jaws (mandibles), a pair of complex first maxillae, and a pair of similar second maxillae joined together behind the mouth to form a structure called the labium. (britannica.com)
  • The estimated power output of the mandible strike (21 kW kg −1 ) confirms that Myrmoteras jaws are indeed power amplified. (biologists.org)
  • its mandibles or jaws. (nla.gov.au)
  • The head also has two strong jaws, the mandibles, which are used to carry food, manipulate objects, construct nests, and for defense. (newworldencyclopedia.org)
  • Mandibles - plier like jaws that are part of the bees mouth. (lessontutor.com)
  • In bees, that feed primarily by use of a proboscis, the primary use of the mandibles is to manipulate and shape wax, and many paper wasps have mandibles adapted to scraping and ingesting wood fibres. (wikipedia.org)
  • To some extent the maxillae are more mobile than the mandibles, and the galeae, laciniae, and palps also can move up and down somewhat, in the sagittal plane , both in feeding and in working, for example in nest building by mud-dauber wasps. (wikipedia.org)
  • Paper wasps are eusocial and predaceous (they eat other insects) wasps which are common in the Tucson area. (tolweb.org)
  • Like most insects, paper wasps are generally most active during the warmer parts of the year (spring through fall). (tolweb.org)
  • Bald-faced hornet, yellow jackets, and paper wasps though, are important predators of caterpillars and similar soft-bodied insects. (backyardgardener.com)
  • Most adult Hymenoptera have mandibles that follow the general form, as in grasshoppers. (wikipedia.org)
  • THE term " Phytophagous " is applied to the Insects described in the present work to signify that most of them are plant-feeders, and not that they form a homo- geneous section of the Order Hymenoptera to which they belong. (ebooksread.com)
  • They are soft-bodied insects with a fluttery flight, and are largely nocturnal. (infoplease.com)
  • Although they are specialist predators of millipedes, they will feed on soft-bodied insects or other invertebrates. (wisc.edu)
  • They also eat insect eggs, mites, and soft-bodied insects such as mealybugs. (backyardgardener.com)
  • Insects and mites are often found infesting cured fish during and after processing, especially in the tropics and subtropics. (fao.org)
  • The purpose of this field guide is to provide basic information on the appearance and ecology of the main types of insects and mites that cause losses to cured fish. (fao.org)
  • During development from egg to adult, insects and mites pass through several distinct stages. (fao.org)
  • Editor's Note: As we have written in past issues of MBCN, there are three general groups of natural enemies of pest insects and mites: predators, parasitic insects, and insect pathogens (some would include entomogenous nematodes as a separate fourth group). (wisc.edu)
  • Further information on these groups can be found in North Central Regional Extension Publication 481, Biological Control of Insects and Mites. (wisc.edu)
  • They're actually not an insect, having eight legs and two body parts (insects have six legs and three body parts), similar to mites and ticks. (backyardgardener.com)
  • This publication summarizes Integrated Pest Management for insect pests of pulse crops including identification, crop damage, monitoring or scouting tips, economic threshold, cultural control, host plant resistance, biological control and chemical control. (ndsu.edu)
  • This Pulse Crop Insect Diagnostic Series provides integrated pest management (IPM) information on the key insect pests of pulse crops. (ndsu.edu)
  • Cured fish can suffer considerable loss of weight due to feeding damage by insect and mite pests. (fao.org)
  • Additionally, insect and mite pests often transmit mould spores, and the heat and moisture produced by heavy infestations can create conditions suitable for mould growth on fish that has previously been dried. (fao.org)
  • Not all bugs that you'll find in your garden are bad, but even if you find these insect pests in small numbers in your garden, you don't need to douse your garden with pesticide. (hubpages.com)
  • They are a predator that feeds on numerous insect pests. (gardenguides.com)
  • In herbivorous chewing insects mandibles tend to be broader and flatter on their opposing faces, as for example in caterpillars . (wikipedia.org)
  • Caterpillars warn rivals by taping and scraping their hindquarters and mandibles. (livescience.com)
  • Harvesting of mopane caterpillars is a multi-million dollar industry in the region, where women and children generally do the work of gathering the plump, little insects. (livescience.com)
  • Away from conifers, readily feeds in broad-leaved trees, taking buds as well as fruits and insects, particularly caterpillars and aphids. (flickr.com)
  • Trigona corvina , and other stingless bees, utilize their mandibles for defense purposes and typically interlock them with other individuals while fighting for resources. (wikipedia.org)
  • Bees have some of the most complex sleep states amongst insects. (wikipedia.org)
  • When these insects decide to swarm a beehive, they can lay waste to tens of thousands of bees within just a few hours. (cbsnews.com)
  • Bees are advanced insects that have all the four stages of metamorphosis. (wikibooks.org)
  • Preserved or mounted honey bee, 1 per group (If your school does not have a mounted insect collection, preserved honey bees can be found online at school and science specialty stores. (agclassroom.org)
  • Honey bees use the nectar they gather from flowers to make honey, which is the only commercial food produced by insects that is eaten by humans on a wide scale. (agclassroom.org)
  • This review compares socially parasitic insect lineages to find general trends and build a hypothetical framework for the means by which social parasites achieve reproductive dominance. (springer.com)
  • A parasitic ant, Polyergus breviceps , mandibles greatly enlarged to show scimitar shape. (emporia.edu)
  • Exoskeleton - External supporting and protective structure of an insect. (wikibooks.org)
  • Ant bodies, like those of other insects, have an exoskeleton , meaning their bodies are externally covered in a protective casing, as opposed to the internal skeletal framework of humans and other vertebrates . (newworldencyclopedia.org)
  • Given common characteristics, such as the shedding of an exoskeleton and hatching from eggs, the accepted theory regarding differences between insects and crustaceans lay in genetic evolution. (ehow.co.uk)
  • Insect - an animal with an exoskeleton, 3 body parts and 6 legs. (lessontutor.com)
  • Some are hematophagous, while others are predators that feed on other insects or small invertebrates. (wikipedia.org)
  • Insects are invertebrates belonging to the phylum of arthropod. (worldatlas.com)
  • During development they lose one mandible, so only the left mandible is present, modified into a stylet. (wikipedia.org)
  • In this order only the left mandible is present, modified into a stylet. (wikipedia.org)
  • Emphasising more similarities than differences between insects and crustaceans, insects are closely related to crustaceans and often considered a land-dwelling version of them. (ehow.co.uk)
  • The largest of these classes are the crustaceans (within Crustacea), the insects (within Uniramia), and the arachnids (within Chelicerata). (scholastic.com)
  • Insect mandibles are a pair of appendages near the insect's mouth, and the most anterior of the three pairs of oral appendages (the labrum is more anterior, but is a single fused structure). (wikipedia.org)
  • Insects have three pairs of legs attached to their thoracic region. (ehow.co.uk)
  • In coastal swamp communities in the United States of America , the insect often may be found in pairs on either sides of cattail stems. (answers.com)
  • An insect in the nonfeeding stage during which the larva develops into the adult. (encyclopedia.com)
  • Grub - Thick-bodied wormlike larva of certain insects. (wikibooks.org)
  • Holometabolism - Complete form of metamorphosis in which an insect passes through four separate stages of growth, as embryo, larva, pupa, and imago. (wikibooks.org)
  • Larva - First stage of some insects after leaving the egg. (wikibooks.org)
  • here the larva changes to a pupa In about a month after the larva leaves the water, the adult insect appears. (whatsthatbug.com)
  • Like all other insects, butterflies have six legs and three main body parts: head, thorax (chest or mid section) and abdomen (tail end). (uky.edu)
  • Like all insects , the ant's body is divided into three distinct parts - the head, the thorax and the abdomen. (kidzworld.com)
  • Abdomen - Hindmost section of the body of an insect or spider. (wikibooks.org)
  • Their bodies, like most insects, have a defined head, thorax (where four of the six limbs are connected, as well as breathing spicules), and an abdomen. (giantitp.com)
  • It has its legs bent and mandibles against its abdomen, in a stern parody of a man with his hands on hips, watching as some unwanted creature slinks back into the shadows from which it emerged. (everydayfiction.com)
  • noun Any of numerous arachnids of the order Araneae, having a body divided into a cephalothorax and an abdomen, eight legs, two chelicerae that bear venom glands, and two or more spinnerets that produce the silk used to make nests, cocoons, or webs for trapping insects. (wordnik.com)
  • Ephemeroptera rarely feed as adults, though the nymphs have simple mandibles. (wikipedia.org)
  • This is a katydid , an insect related to crickets and grasshoppers. (newscientist.com)
  • Interestingly, while EGF activity is required for distal, but not proximal, patterning of other appendages, it is required for normal metamorphic growth of the mandibles. (genetics.org)
  • Intriguingly, the mandibles of T. castaneum , which evolved through loss of distal identity, nonetheless require epidermal growth factor (EGF) signaling, which is required for development of distal regions of other appendages. (genetics.org)
  • Insect pupae can be categorized in terms of having appendages that are either sealed to their body or held out free. (wordpress.com)
  • Insect infestation can spread from home to home. (ehow.com)
  • Once an infestation of an insect or mite pest becomes established, its population tends to increase exponentially: i.e., the total numbers follow a geometric series over equal time intervals. (fao.org)
  • bloodsucking flies, mosquitoes) the mandibles act as piercing stylets for drawing blood. (britannica.com)
  • Deerfly eyes Like other insects, flies have compound eyes that are made up of thousands of smaller faceted eyes. (easttennesseewildflowers.com)
  • They feed upon the naiads of stone-flies and May-flies and on other insects. (whatsthatbug.com)
  • Arriving on the scene around 300 million years ago, dragonflies were one of the first insects to inhabit this planet. (treehugger.com)
  • Insect anatomy: Ranx, like most insects, breathe not through their mouths, but through six spicules in their thorax, three on either side of the body, though they can (and do) speak by vibrating their version of vocal cords in their necks. (giantitp.com)
  • Burrows may be over a foot deep in hard-packed sand or soil, accomplished by loosening the sand or soil with its mandibles and using its head and thorax like a shovel to carry the sand or soil. (tamu.edu)
  • My wife just brought it a cup of coffee and gave it a kiss on its cheek, if that's the correct terminology for the part of its body next to its chittering mandibles and above its thorax. (everydayfiction.com)
  • a movable lower jaw (mandible) and fixed upper jaw (maxilla). (britannica.com)
  • In birds, specifically the lower jaw but the term is also used to denote the two parts of the bill of a bird, as upper and lower mandibles. (encyclopedia.com)
  • In Quadrupeds the mandible is properly the lower jaw. (google.co.uk)
  • The current shape that these insects have is actually an evolution in their quest to hide from predators through camouflaging themselves in branches, foliage, and twigs. (worldatlas.com)
  • The mandibles are therefore instrumental in piercing the plant or animal tissues upon which these insects feed, and in helping draw up fluids to the insect's mouth. (wikipedia.org)
  • note however, that this refers to the coronal plane of the mouth, not necessarily of the insect's body, because insects' heads differ greatly in their orientation. (wikipedia.org)
  • Note the insect's two overlapping mandibles. (cdc.gov)
  • It uses its sizable mandibles to snip the heads off of smaller insects, notably honeybees, for food. (cbsnews.com)
  • A soft casing, shell, or cocoon protecting the dormant pupa of insects during metamorphosis. (encyclopedia.com)
  • Complete metamorphosis - Insect changes to an adult in several stages. (wikibooks.org)
  • Imago - Fully adult stage of an insect after undergoing metamorphosis. (wikibooks.org)
  • The series also contains general information on beneficial insects. (ndsu.edu)
  • these beneficial insects do not sting. (hippopress.com)
  • Here are ten common beneficial insects that we should be aware of in our yards and gardens. (backyardgardener.com)
  • The beetle points one of its mandibles, and my children run inside the house, to safety, as it turns to me and stands tall on its tiny back legs. (everydayfiction.com)
  • While looking at the size, then the biggest insect is the goliath beetle. (worldatlas.com)
  • a large, vicious-looking beetle barred the way, its chitinous mandibles opening and closing suggestively. (technovelgy.com)
  • A family of Hymenopterous insects, the members of which lay their eggs in the bodies or eggs of other insects. (google.co.uk)
  • However, between these two normal stages a special type of deutonymph may occur -a hypopus, which has reduced mouth parts and does not feed, but which has a number of suckers that allow it to cling to insects for dispersal. (fao.org)
  • refers to one stage of growth between moults, e.g. 3 larval instars (or growth stages) before an insects pupates. (ento.csiro.au)
  • They only transform en masse when the insect reaches the last stages of pupation and is about to emerge as an adult. (nationalgeographic.com)
  • So, if plant-eating insects want to nibble on the most nutritious roots, they also swallow the highest amount of poison. (schneier.com)
  • They emerge only to enter the open wounds caused when the insects nibble on pine twigs. (nationalgeographic.com)
  • To prevent aphid damage, make your habitat friendly to predatory insects such as ladybugs, aphid midges, and lacewings. (hubpages.com)
  • Previously the oldest insects were a pair of wingless bugs found in New York, dated to around 379 million years ago. (telegraph.co.uk)
  • The "Creepy Bugs and Insect Inventions" category shows creepy looking bugs - especially in extreme close-up - as well as the things they make. (techrepublic.com)
  • The discovery pushes back the date of the earliest known insect by 30 million years and suggests insects were among the first to colonise the land. (telegraph.co.uk)
  • In non-chewing insects, such as adult Lepidoptera, the maxillae may be drastically adapted to other functions. (wikipedia.org)
  • Butterflies are the adult flying stage of certain insects belonging to an order or group called Lepidoptera. (uky.edu)
  • Both butterflies and moths belong to the same insect group called Lepidoptera. (uky.edu)
  • Bug - Informal classification for any land-dwelling arthropod (insect, arachnid, crustacean, etc. (wikibooks.org)
  • The latch differs from other lineages and is likely formed by the co-contraction of the mandible opener and closer muscles. (biologists.org)
  • A bee's body has a lot in common with the bodies of other insects. (howstuffworks.com)
  • These Ranx had the bodies of insects and were curious of the world. (giantitp.com)
  • As the name suggests, stick insects have thin stick-like bodies that have massive lengths of up to two feet. (worldatlas.com)
  • The three specimens - found in modern-day Lebanon, Myanmar and Spain - are helping scientists learn more about the diversity, family tree and geographic range of these ancient insects. (livescience.com)
  • First, we highlight the diversity of social parasites and emphasize the types of social parasites that could help with filling this particular gap in our understanding of insect sociality. (springer.com)
  • The high insect diversity in southern Arizona is due to many factors, including steep elevation changes, warm subtropical climate, and the fact that it is a place where temperate and tropical faunas meet and intermingle. (tolweb.org)
  • The specific derived morphology of the teeth on the mandible varies depending on whether the insect eats broad-leafed herbs or grasses. (wikipedia.org)
  • Decomposer - Insect that eats dead or decayed matter. (wikibooks.org)
  • mandible In Crustacea , Insecta , and Myriapoda (centipedes, millipedes, etc.), one of the pair of mouth-parts most commonly used for seizing and cutting food. (encyclopedia.com)
  • Phytophagous insects, natural enemies, and pollinators were quantified fortnightly in 20 trees for 2 yr. (bioone.org)
  • North-facing tree branches had the greatest numbers of phytophagous insects, natural enemies, and pollinators. (bioone.org)
  • The insect order Neuroptera (where antlions belong) is one of the orders with decticous pupae. (wordpress.com)
  • When a butterfly changes from a slow-moving, fat caterpillar to a colorfully winged, beautiful flying insect, one of nature's most magical events occurs. (encyclopedia.com)
  • Many gardeners seem to think that any UFI (Unidentified Flying Insect) is a potential threat to their tomatoes or the spinach. (hippopress.com)
  • This extraordinary vision is one reason why they're able to keep a watch on a single insect within a swarm and go after it while avoiding midair collisions with other insects in the swarm. (treehugger.com)
  • Today, I'll build on these arguments and, based on new evidence, offer even more reasons you should consider incorporating edible insects into your diet. (marksdailyapple.com)
  • Earlier this year, the Food and Agriculture Organization of the United Nations (FAO) released a report titled, "Edible Insects: Future Prospects for Food and Feed Security. (livescience.com)
  • Gleaned from the FAO document and other sources, here's a list of seven edible insects you may soon find on your dinner plate. (livescience.com)
  • Then these active, alert little insects run swiftly over the ground or fly quickly away. (tamu.edu)
  • It then goes on to describe the basic morphology of an ant mandible and to show a few examples of both typical and somewhat unusual mandibles. (tolweb.org)
  • Insects reproduce rapidly, consume very few fossil fuels, require less water and food than cattle to produce the same amount of calories, protein, B-vitamins, vital minerals, and essential fatty acids. (marksdailyapple.com)
  • A growing number of experts claim that people will soon have no choice but to consume insects. (livescience.com)
  • Mandible s became functionless or were lost entirely relatively early in fly evolution and therefore bloodsucking families that evolved later had to develop other piercing methods. (britannica.com)
  • However, the few specimens found help us understand how the evolution of this group of insects is closely related to cockroaches and termites. (livescience.com)
  • The DS-40, with its stereo microphone attachment, resembles a hideous robot insect from the future. (wired.com)
  • The female resembles the male, except that the mandibles are comparatively short. (whatsthatbug.com)
  • The case of the modification of the antenna of the insect into a foot, of the eye of a crustacean into an antenna, or a petal into a stamen, and the like, are examples of the same kind. (scienceblogs.com)
  • They also have bigger mandibles in relation to overall body length. (ehow.com)
  • During the pupal stage, the body of the insect is reorganized into the adult form. (fao.org)
  • 12.7 cm) long the male has mandibles half as long as the body. (infoplease.com)
  • The venom from this insect can cause gangrene-like symptoms throughout the body, the leakage of blood into the brain, and even death. (listverse.com)
  • In terms of body length, stick insects are the biggest. (worldatlas.com)