• OCONNOR, Barry M. Host specificity and multivariate diagnostics of cryptic species in predacious cheyletid mites of the genus Cheletophyes (Acari: Cheyletidae) associated with large carpenter bees. (avcr.cz)
  • The effect of host social system on parasite population genetic structure: comparative population genetics of two ectoparasitic mites and their bat hosts. (scielo.br)
  • Lindquist E. E. & Oldfield G. N. 1996: Evolution of eriophyoid mites in relation to their host plants. (erdtudkoz.hu)
  • We are investigating the micro-evolutionary relationships in one host-parasite system consisting of different bat species and species of obligatory parasitic mites that spend their entire life on their bat host ( Spinturnix sp ). (unil.ch)
  • Differences in carrier‐preference and evidence of reproductive isolation between mites of Poecilochirus carabi (Acari, Parasitidae) living phoretically on two sympatric Necrophorus species (Coleoptera, Silphidae). (dergipark.org.tr)
  • Phoretic Poecilochirus mites specialize on their burying beetle hosts. (dergipark.org.tr)
  • Gamasina mites (Acari: Mesostigmata) associated with animal remains in the mediterranean region of Navarra (Northern Spain). (dergipark.org.tr)
  • Phoretic mites and carcasses: Acari transported by organisms associat-ed with animal and human decomposition. (dergipark.org.tr)
  • In contrast, fed ticks needed a minimum of 10 minutes of attachment to transmit R. rickettsii to hosts. (cdc.gov)
  • Most confirmed infections of Rocky Mountain spotted fever in humans in the São Paulo metropolitan area have been associated with contact with domestic dogs, the main host of A. aureolatum adult ticks. (cdc.gov)
  • the free-living phase varies from several months to years, encompassing the off-host developmental stages (egg laying and incubation, molting), and the host-seeking period of unfed ticks ( 9 ). (cdc.gov)
  • Unfed ticks are known for their capacity to survive extremely long fasting periods of months to years until they find a suitable host on which to start a new parasitic phase ( 9 ). (cdc.gov)
  • Cayenne ticks are prolific in their choice of habitats and are widely distributed in habitats that contain potential host species. (animaldiversity.org)
  • Like other members of Ixodidae , cayenne ticks are commonly found in grassy areas where they may encounter horses , a preferred host. (animaldiversity.org)
  • Cayenne ticks have strong mouth parts used for attachment to the host, along with well developed salivary glands which aid in blood consumption. (animaldiversity.org)
  • Larval, nymph, and adult cayenne ticks all engage in questing behavior, climbing on vegetation to locate host animals. (animaldiversity.org)
  • Male cayenne ticks produce pheromones in order to attract females to the host animal on which they are feeding. (animaldiversity.org)
  • Fertilization occurs while cayenne ticks are present on a host. (animaldiversity.org)
  • the normal engorged body weight of female ixodid ticks (acari: ixodidae) is about 100x the unfed weight. (liverpool.ac.uk)
  • rickettsial infection in amblyomma nodosum ticks (acari: ixodidae) from brazil. (liverpool.ac.uk)
  • Ticks transmit disease to their animal hosts and humans. (anid.cl)
  • To better understand the geographic distribution and vector associations of Bbsl spirochetes in frequent and infrequent human-biting Ixodes species ticks in the US, we previously screened 29,517 host-seeking I. scapularis or I. pacificus ticks and 692 ticks belonging to eight other Ixodes species for Borrelia spirochetes using a previously described tick testing algorithm that utilizes a combination of real-time PCR and Sanger sequencing for Borrelia species identification. (cdc.gov)
  • The Centers for Disease Control and Prevention's national tick and tick-borne pathogen surveillance program collects information to better understand the regional distribution, prevalence, and exposure risk of host-seeking medically important ticks in the United States. (cdc.gov)
  • These findings confirm important quantitative differences between sexes in the O. erraticus saliva proteome, unveil novel salivary proteins and functions at the tick-host feeding interface and improve our understanding of the physiology of feeding in O. erraticus ticks. (biomedcentral.com)
  • Tick hosts differ in their efficiency as B. burgdorferi s.s. reservoirs, measured by the persistence of transmissible infection and the proportion of ticks that acquire infection after feeding upon infected host individuals. (nature.com)
  • More specifically, this reduction in infection prevalence via "wasted bites" of ticks on hosts other than white-footed mice is called frequency-dependent dilution 27 . (nature.com)
  • In this case, increased host diversity may decrease the absolute abundance of white-footed mice via competition, leading to a decrease in tick abundance and the abundance of ticks infected with B. burgdorferi s.s. (nature.com)
  • Ticks (Acari: Ixodidae and Argasidae) transmit multiple and diverse pathogens (including bacteria, protozoa, and viruses), which cause a wide range of human and animal diseases, including rickettsial diseases, caused by bacteria in the order Rickettsiales. (cdc.gov)
  • When nymphal ticks feed, the bacteria pass through the hemocoel to the salivary glands and are transmitted to a new host in the saliva after 2 days. (cdc.gov)
  • Thus, relapsing fever spirochetes are efficiently trans- mitted in saliva by these fast-feeding ticks within minutes of their attachment to a mammalian host. (cdc.gov)
  • Morphological differences between sympatric populations of the Poecilochirus carabi complex (Acari: Mesostigmata: Parasitidae) associated with burying beetles (Silphidae: Nicrophorus). (dergipark.org.tr)
  • Integrated taxonomy supports the identification of some species of Phytoseiidae (Acari: Mesostigmata) from Georgia. (superpests.eu)
  • Ripka G. 2007: Checklist of the eriophyoid mite fauna of Hungary (Acari: Prostigmata: Eriophyoidea). (erdtudkoz.hu)
  • Ripka G. 2009b: New shrub-infesting Floracarus , Acaphyllisa and Anthocoptes species from Hungary (Acari: Prostigmata: Eriophyoidea). (erdtudkoz.hu)
  • Ripka G. 2009c: New tree-infesting Cecidophyes , Eriophyes , Rhyncaphytoptus and Aceria species from Hungary (Acari: Prostigmata: Eriophyoidea). (erdtudkoz.hu)
  • Ripka G. 2010b: A new Rhinophytoptus and a new Epitrimerus species from Hungary (Acari: Prostigmata: Eriophyoidea). (erdtudkoz.hu)
  • Ripka G. 2010c: A new Calepitrimerus species and new gall mite records from Hungary (Acari: Prostigmata: Eriophyoidea). (erdtudkoz.hu)
  • Ripka G. 2011: New Quercus -feeding Brevulacus species, redescription of Rhyncaphytoptus cerrifoliae Farkas and new eriophyoid mite records from Hungary (Acari: Prostigmata: Eriophyoidea). (erdtudkoz.hu)
  • Ripka G. 2014: A new Aceria species (Acari: Prostigmata: Eriophyoidea) on Xeranthemum annuum from Hungary. (erdtudkoz.hu)
  • Ripka G. 2017: A new Aculops species (Acari: Prostigmata: Eriophyoidea) on Stachys recta (Lamiaceae) from Hungary. (erdtudkoz.hu)
  • Ripka G. & de Lillo E. 1997: New data to the knowledge on the eriophyoid fauna in Hungary (Acari: Eriophyoidea). (erdtudkoz.hu)
  • 2010: New Quercus -infesting Bariella and Glyptacus species and redescription of Aceria cerrigemmarum (Nalepa) from Hungary (Acari: Prostigmata: Eriophyoidea). (erdtudkoz.hu)
  • How species-specific is the phoretic relationship between the broad mite, Polyphagotarsonemus latus (Acari: Tarsonemidae), and its insect hosts? (agri.gov.il)
  • Third, when social hosts are spatially aggregated, parasite infections are likely to increase between individuals of the same and different sex, and between species ( ter Hofstede & Fenton, 2005 ter Hofstede, H.M. & Fenton, M.B. 2005. (scielo.br)
  • Instead, nymphs feed on a wide range of available species, with hosts ranging from birds to humans . (animaldiversity.org)
  • among several unusual species collected during surveillance of ectoparasites on wildlife hosts in the southeastern united states and caribbean region, the larvae of a new species of whartonacarus were encountered in 2003 on a cattle egret, bubulcus ibis (l.), in the florida keys. (liverpool.ac.uk)
  • This paper offers the first report of ectoparasites collected from species of Chiroptera inhabiting Minalungao National Park, including morphological characterization and host association. (innspub.net)
  • The strong effect of P. leucopus abundance on disease risk we report here is of significant concern, as this competent host is predicted to increase in abundance and occurrence in the region, with the northern shift in the range of North American species under climate warming. (nature.com)
  • Other common small mammal hosts include species of rodents and shrews that vary greatly in their competence as reservoir for B. burgdorferi s.s., from about 30% to over 50% 10 . (nature.com)
  • Vertebrate animals play an integral role in the life cycle of tick species, whereas humans are incidental hosts. (cdc.gov)
  • They exhibit a high degree of host specificity, which means they only parasitize a small number of host species . (whatsthatbug.com)
  • Particularly promising are studies which involve closely related parasite species that parasitized a same host species because such systems might provide insights into the detailed mechanisms of coevolution between host defences and parasite virulence. (unil.ch)
  • Cryptic diversity within the Poecilochirus carabi mite species complex phoretic on Nicrophorus burying beetles: phylogeny, biogeography, and host specificity. (dergipark.org.tr)
  • While the standard filarial life cycle pattern involves a vertebrate definitive host and an invertebrate vector, represented by a blood-sucking ectoparasite, our finding suggests that microfilariae of this nematode species may also be semen-borne, with transmission intensity promoted by the polygynous mating system of vespertilionid bats in which an infected male mates with many females during the autumn swarming. (frontiersin.org)
  • Demonstration of true parasitism between existing species typically involves observing the harmful effects of parasites on a presumed host. (scientificlib.com)
  • effects of photoperiod on reproduction, nymphal developmental timing, and diapause in amblyomma maculatum (acari: ixodidae). (liverpool.ac.uk)
  • female engorgement weight, oviposition, and molting times of larvae and nymphs of amblyomma maculatum koch (acari: ixodidae) were studied at various photoperiods under constant humidity and temperature in the laboratory. (liverpool.ac.uk)
  • influence of photoperiod and temperature on the larval behavioral diapause of amblyomma cajennense (acari: ixodidae). (liverpool.ac.uk)
  • larval behavioral diapause was shown to be the major factor controlling the 1-yr generation pattern of amblyomma cajennense (f.) (acari: ixodidae) in brazil. (liverpool.ac.uk)
  • surveys for ectoparasites on wildlife associated with amblyomma variegatum (acari: ixodidae)-infested livestock in st. croix, u.s. virgin islands. (liverpool.ac.uk)
  • surveys in 2001, 2005, and 2006 attempted to determine the role of wildlife in maintenance and dissemination of the tropical bont tick, amblyomma variegatum (f.) (acari: ixodidae), in st. croix, u.s. virgin islands. (liverpool.ac.uk)
  • Broad mite, Polyphagotarsonemus latus (Acari: Tarsonemidae), is a serious plant pest in tropical and subtropical regions. (agri.gov.il)
  • Our purpose was to determine the specificity of the association between the mite and its phoretic hosts. (agri.gov.il)
  • The phoretic relationship between broad mite and its insect hosts appears to be specific to whiteflies, with some whiteflies having a higher potential as phoretic hosts. (agri.gov.il)
  • 2023) Plant defences and spider-mite web affect host plant choice and performance of the whitefly Bemisia tabaci . (superpests.eu)
  • Selectivity and molecular stress responses to classical and botanical acaricides in the predatory mite Phytoseiulus persimilis Athias-Henriot (Acari: Phytoseiidae). (superpests.eu)
  • Genetic diversity of the predatory mite Amblyseius swirskii Athias-Henriot (Acari: Phytoseiidae) with an overview of its distribution and implications for biological control. (superpests.eu)
  • nov. (acari: trombiculidae), with a taxonomic review and the first record of whartonacarus chiggers in the continental united states. (liverpool.ac.uk)
  • Bat ectoparasites have a complex natural history narrowly tied to their hosts at ecological, behavioral, and evolutionary scales. (scielo.br)
  • And, finally, stressed or immunologically suppressed hosts are more likely to be infected with ectoparasites than immunologically active or healthier hosts ( Dick & Ditmar, 2014 Dick, C.W. & Dittmar, K. 2014. (scielo.br)
  • Philippine Chiroptera-associated ectoparasites are not well-documented and their distribution and host-association are seldom studied. (innspub.net)
  • 2011. Ectoparasites (Insecta and Acari) Associated With Bats in Southeastern Brazil. (innspub.net)
  • 2007. High host specificity of obligate ectoparasites. (innspub.net)
  • Insects frozen for 24 h were used as potential phoretic hosts in all experiments. (agri.gov.il)
  • Intraspecific patterns of ectoparasite abundances on Paraguayan bats: effects of host sex and body size. (scielo.br)
  • Identification and characterization of parasites infesting bats could give important aspects on their hosts and provide baseline for their dispersal capacity for transmission of infections. (innspub.net)
  • Generally higher levels of parasitism among female bats accords with theory, given their generally higher survivorship and enhanced probabilities of lateral and vertical transmission of host-specific parasites, but contrasts with patterns shown by many other parasitic arthropods. (cambridge.org)
  • However, while hundreds of nematodes have been described in bats ( 2 ), their biology, life cycles and host-parasite specificity and interactions remain largely unknown ( 3 ). (frontiersin.org)
  • Parasitic bat flies (Diptera: Streblidae and Nycteribiidae): host specificity and potential as vectors. (scielo.br)
  • We found that both the abundance of small mammal hosts and the relative abundance of the tick's natural host, the white-footed mouse ( Peromyscus leucopus ), influenced measures of disease risk in tick vectors ( Borrelia burgdorferi infection abundance and prevalence in tick vectors). (nature.com)
  • To date seroepidemiological studies on rickettsial diseases involving dogs have focussed on their role as possible sentinel hosts for human rickettsioses in Australia. (biomedcentral.com)
  • The susceptibility of mustard beetle, Phaedon cochleariae, larvae to the insect pathogenic fungus Metarhizium anisopliae, was influenced by the topography of the host plant, the dosage and the larval instar. (rothamsted.ac.uk)
  • Kitaviruses stand out for producing conspicuously unusual locally restricted infections and showing deficient or nonsystemic movement likely resulting from incompatible or suboptimal interactions with their hosts. (bvsalud.org)
  • Host-parasite interactions represent one of the most promising routes for the understanding of general evolutionary processes. (unil.ch)
  • This project focuses on avian malaria in the great tit Parus major and its natural mosquito vector, looking at different aspects of interactions between parasites and hosts. (unil.ch)
  • Assumptions of true parasitism in paleontological settings which are based on analogy to known present-day parasitic relationships may not be valid, due to host-specificity. (scientificlib.com)
  • salivary gland degeneration and vitellogenesis in the ixodid tick amblyomma hebraeum: surpassing a critical weight is the prerequisite and detachment from the host is the trigger. (liverpool.ac.uk)
  • Ornithodoros erraticus saliva contains bioactive proteins that play essential functions in tick feeding and host defence modulation, which may contribute to host infection by tick-borne pathogens. (biomedcentral.com)
  • emphasized non-pesticide controls (e.g., genetic host resistance, crop rotations, tillage, andplant sanitation) for plant diseases was a necessity, not simply an option for plant diseasemanagement. (vdocuments.net)
  • Occurrence of Poecilochirus austroasiaticus (Acari: Parasitidae) in forensic autopsies and its application on postmortem interval estimation. (dergipark.org.tr)
  • Experimental infection of the presumed host, followed by recovery of viable parasites from that host also supports any claim of true parasitism. (scientificlib.com)
  • Oldfield G. N. 1996: Diversity and host plant specificity. (erdtudkoz.hu)
  • We investigated the relations between host diversity and abundance and Lyme disease risk in southern Quebec, a region where Lyme disease is rapidly emerging. (nature.com)
  • Reproductive swarming phenology, swarm sizes, and cavity selection were studied in a European-derived population of Apis mellifera L. in southeastern Louisiana before and immediately after the initial detection in 1992 of Varroa destructor Anderson & Trueman (Acari: Varroidae). (researchgate.net)
  • Some parasites leave marks or traces (ichnofossils) on host remains, which persist in the fossil record in the absence of structural remains of the parasite. (scientificlib.com)
  • For example, Trypanosoma brucei gambiense and Trypanosoma brucei rhodesiense are both devastating human parasites, but the related subspecies Trypanosoma brucei brucei will infect a number of animal hosts, but cannot even survive in the human blood stream, much less reproduce and infect a human host. (scientificlib.com)
  • Botflies lay their eggs near rabbit burrows or other small animal dens, where the larvae can easily latch onto a host. (whatsthatbug.com)
  • After some time, the larvae drop off the host to complete their life cycle, forming pupae before emerging as adult botflies. (whatsthatbug.com)
  • In these studies, all dogs appeared healthy, a common feature that is also usually a characteristic of reservoir hosts. (biomedcentral.com)
  • 2010). Bat flies from the deciduous Atlantic Forest in southern Brazil: Host-parasite relationships and parasitism rates, Acta Parasitologica, 55(2), 194-200. (innspub.net)
  • Parasitism is a very common life strategy and although it results in harm to the host, it plays a vital ecological role in host population and community dynamics. (researchgate.net)
  • It mainly occurs within a region of the Asia-Pacific called the tsutsugamushi triangle, where rodents are known as the most relevant hosts for the trombiculid vector. (unboundmedicine.com)
  • Despite the growing interest in avian malaria in evolutionary biology, the role played by the vector in this host-parasite relationship remains to be investigated. (unil.ch)
  • In the world of an ectoparasite, a host represents a habitat filter with potential resources, complex movement patterns, varied social systems, roosting behaviors, and immunologic responses ( Balashov, 2006 Balashov, Y.S. 2006. (scielo.br)
  • This structure is inserted deeply into the host and attached firmly with a glue-like substance secreted from the salivary glands. (animaldiversity.org)
  • PERSPECTIVES other changes are taking place in the spirochete population that may lay the groundwork for eventual transmission to the host. (cdc.gov)
  • Using cucumbers as hosts did not substantially change the general trend, but attachment levels were lower. (agri.gov.il)
  • The hypostome is specially adapted for attachment to the host. (animaldiversity.org)
  • Runge F, Ndambi B, Thines M (2012) Which morphological characteristics are most influenced by the host matrix in downy mildews? (senckenberg.de)
  • 1) a comparative approach in the field (parasite population dynamics and reproduction vs. host condition, sex and immunocompetence). (unil.ch)
  • Kitaviruses infect a large range of host plants and cause diseases of economic concern in crops such as citrus, tomato, passion fruit, tea, and blueberry. (bvsalud.org)
  • Several host features could induce ectoparasite infections: first, hosts with high mobility enhance parasite colonization of new habitats ( Presley & Willig, 2008 Presley, S.J. & Willig, M.R. 2008. (scielo.br)
  • Total time of development varies with temperature and availability of hosts. (animaldiversity.org)
  • We are currently investigating different host-parasite models with a special focus on the evolution of parasite specialization and speciation. (unil.ch)
  • The most convincing evidence of paleoparasitism is obtained when a presumed parasite is found in direct association with its presumed host, in a context that is consistent with known host-parasite associations. (scientificlib.com)
  • Two host plants, potatoes and cucumbers, were used to study these relationships in the laboratory. (agri.gov.il)