Malathion: A wide spectrum aliphatic organophosphate insecticide widely used for both domestic and commercial agricultural purposes.Insecticides: 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.Insecticide Resistance: The development by insects of resistance to insecticides.Lice Infestations: Parasitic attack or subsistence on the skin by members of the order Phthiraptera, especially on humans by Pediculus humanus of the family Pediculidae. The hair of the head, eyelashes, and pubis is a frequent site of infestation. (From Dorland, 28th ed; Stedman, 26th ed)Parathion: A highly toxic cholinesterase inhibitor that is used as an acaricide and as an insecticide.Propoxur: A carbamate insecticide.Permethrin: A pyrethroid insecticide commonly used in the treatment of LICE INFESTATIONS and SCABIES.Pediculus: Lice of the genus Pediculus, family Pediculidae. Pediculus humanus corporus is the human body louse and Pediculus humanus capitis is the human head louse.ThiomalatesForensic Sciences: Disciplines that apply sciences to law. Forensic sciences include a wide range of disciplines, such as FORENSIC TOXICOLOGY; FORENSIC ANTHROPOLOGY; FORENSIC MEDICINE; FORENSIC DENTISTRY; and others.Methyl Parathion: The methyl homolog of parathion. An effective, but highly toxic, organothiophosphate insecticide and cholinesterase inhibitor.Pesticides: Chemicals used to destroy pests of any sort. The concept includes fungicides (FUNGICIDES, INDUSTRIAL); INSECTICIDES; RODENTICIDES; etc.Organothiophosphorus Compounds: Compounds containing carbon-phosphorus bonds in which the phosphorus component is also bonded to one or more sulfur atoms. Many of these compounds function as CHOLINERGIC AGENTS and as INSECTICIDES.Organothiophosphates: Carbon-containing thiophosphoric acid derivatives. Included under this heading are compounds that have carbon bound to either SULFUR atom, or the OXYGEN atom of the SPO3 core structure.Organophosphorus Compounds: Organic compounds that contain phosphorus as an integral part of the molecule. Included under this heading is broad array of synthetic compounds that are used as PESTICIDES and DRUGS.Lepidium: A plant genus of the family BRASSICACEAE growing in Peru mountains. It is the source of maca root.Scalp DermatosesDimethoate: An organothiophosphorus cholinesterase inhibitor that is used as a systemic and contact insecticide.DDT: A polychlorinated pesticide that is resistant to destruction by light and oxidation. Its unusual stability has resulted in difficulties in residue removal from water, soil, and foodstuffs. This substance may reasonably be anticipated to be a carcinogen: Fourth Annual Report on Carcinogens (NTP-85-002, 1985). (From Merck Index, 11th ed)Fenitrothion: An organothiophosphate cholinesterase inhibitor that is used as an insecticide.Mosquito Control: The reduction or regulation of the population of mosquitoes through chemical, biological, or other means.Lethal Dose 50: The dose amount of poisonous or toxic substance or dose of ionizing radiation required to kill 50% of the tested population.Organophosphate Poisoning: Poisoning due to exposure to ORGANOPHOSPHORUS COMPOUNDS, such as ORGANOPHOSPHATES; ORGANOTHIOPHOSPHATES; and ORGANOTHIOPHOSPHONATES.Diazinon: A cholinesterase inhibitor that is used as an organothiophosphorus insecticide.Culex: A genus of mosquitoes (CULICIDAE) commonly found in tropical regions. Species of this genus are vectors for ST. LOUIS ENCEPHALITIS as well as many other diseases of man and domestic and wild animals.Piperonyl Butoxide: An insecticide synergist, especially for pyrethroids and ROTENONE.Anopheles: A genus of mosquitoes (CULICIDAE) that are known vectors of MALARIA.Pyrethrins: The active insecticidal constituent of CHRYSANTHEMUM CINERARIIFOLIUM flowers. Pyrethrin I is the pyretholone ester of chrysanthemummonocarboxylic acid and pyrethrin II is the pyretholone ester of chrysanthemumdicarboxylic acid monomethyl ester.Double-Blind Method: A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment.Treatment Outcome: Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series.gamma-Cyclodextrins: Cyclic GLUCANS consisting of eight (8) glucopyranose units linked by 1,4-glycosidic bonds.Aedes: A genus of mosquitoes (CULICIDAE) frequently found in tropical and subtropical regions. YELLOW FEVER and DENGUE are two of the diseases that can be transmitted by species of this genus.Anopheles gambiae: A species of mosquito in the genus Anopheles and the principle vector of MALARIA in Africa.
  • Spider mites are controlled with sprays of Malathion(1), or Diazinon(3). (oldhouseweb.com)
  • Sprays of Rotenone(1), Malathion(7), Pyrethrin(1) or Diazinon(1) may be used. (oldhouseweb.com)
  • To prevent the treehopper from putting an extra burden on your foliage, spray infested plants with diazinon or malathion. (orlandosentinel.com)
  • If chemical assistance is required to snap your plants out of their nightmarish existence, malathion or diazinon should restore them to the light of day. (orlandosentinel.com)
  • In this second stage of treatment, all fruit in the immediate vicinity of homes where the new flies were found last weekend will be stripped, and the plants will be sprayed with malathion or diazinon to kill any larvae. (latimes.com)
  • The results of this landmark study showed that more than 50 percent of the tadpoles and adults sampled in Yosemite and Sequoia National Parks had detectable levels of diazinon or chlorpyrifos and that 86 percent of the Pacific treefrogs sampled in the Lake Tahoe region had detectable levels of endosulfan. (usgs.gov)
  • Malathion has been manufactured in the United States since 1950 and has been used to kill insects on many types of crops since this time. (cdc.gov)
  • Adult lacebugs are 1/8" to 3/16" long insects with clear, ornate, lacy wings. (uky.edu)
  • The insects need places to lay eggs, food plants for their larvae (caterpillars), places to form chrysalides and nectar sources for adults. (nwf.org)
  • In addition to the characteristics already mentioned, insects also are distinguished by having one pair of antennae, and most have wings and three body regions as adults. (ct.gov)
  • Most insects have four distinct stages of growth: (1) egg, (2) larva, commonly called a caterpillar, grub or maggot, (3) pupa, and (4) adult. (ct.gov)
  • The sucking insects and chewing insects, such as grasshoppers and crickets, have three life stages: (1) egg, (2) nymph, and (3) adult. (ct.gov)
  • The time required for development of insects from egg to adult varies from a few days for flies to 17 years for a cicada. (ct.gov)
  • Movement of insects between Bt crops and refuges of non-Bt crops is essential for the refuge strategy because it increases chances that resistant adults mate with susceptible adults from refuges. (bioone.org)
  • The potential value of larval and adult carrion-feeding insects, and their chitinous remnants, as alternative sources of toxicological information has been clearly demonstrated. (ukessays.com)
  • Unlike infestations of the Mediterranean fruit fly, which can involve aerial spraying of malathion or the introduction of sterile male insects, Oriental fly infestations are handled with relative ease, said Gera Curry, spokeswoman for the state Department of Food and Agriculture. (latimes.com)
  • Basically, it is still considered a wild species for two reasons: (a) the high number of adult insects captured in human dwellings infected with the T. cruzi (Santos et al. (scielo.br)
  • The concentration must be strong enough to kill adult insects before they lay eggs. (ehow.co.uk)
  • Exposure to malathion may also occur at farms where it has been sprayed on crops. (cdc.gov)
  • This public health statement tells you about malathion and the effects of exposure. (cdc.gov)
  • In this way, exposure to malathion can be controlled and accidental exposures can be prevented. (cdc.gov)
  • it is also malathion and the effects of exposure. (cdc.gov)
  • Malathion is a manufactured chemical, so it is only is important because exposure to this substance may found in the environment as a result of its harm you and because these sites may be sources of manufacture or use. (cdc.gov)
  • Malathion has been exposure. (cdc.gov)
  • This parts per million (ppm) of malathion to be present release does not always lead to exposure. (cdc.gov)
  • In studies of the effects of long-term exposure to oral ingestion of malaoxon in rats, malaoxon has been shown to be 61 times more toxic than malathion. (wikipedia.org)
  • According to the United States Environmental Protection Agency there is currently no reliable information on adverse health effects of chronic exposure to malathion. (wikipedia.org)
  • Insecticidal activity was also determined based on serial-time mortality bioassay of azalea lace bugs killing greater than or equal to 70 - 90% adult lace bugs after 4 hours of exposure. (usda.gov)
  • Whole Juniperus oils at 1/4 the dosage used against Colletotrichum species were more insecticidal than 10 mg/mL malathion, killing greater than or equal to 70 - 90% adult lace bugs after 4 hours of exposure. (usda.gov)
  • She found that kids with a 10-fold increase in the kind of metabolites left in the body after malathion exposure were 55 percent more likely to be diagnosed with ADHD. (nbcsandiego.com)
  • 1989). After a preliminary study, 14 C-malathion in corn oil was administered by gavage as single doses of 40 or 800 mg/kg bw to groups of five male and five female Sprague-Dawley (Crl:CD BR) rats. (inchem.org)
  • Disposition was also assessed after administration of oral doses of unlabelled malathion (purity, 94.6%) at 40 mg/kg bw per day for 15 days, followed by a 16th dose of 14 C-malathion. (inchem.org)
  • Maca is likely safe when consumed by healthy adults in doses of 1,500-3,000 milligrams per day for up to four months as an aphrodisiac or to improve spermatogenesis, however, there is no proven effective dose for maca. (rootsnatural.ca)
  • However, a few adults also survive the winter to feed and deposit eggs during a second season. (ncsu.edu)
  • Research has shown that Assail has some activity on SWD eggs and larvae, but not adults. (farms.com)
  • In her 30-day life, she may lay as many as 3,000 eggs, but 97 percent won`t become adults, having been eaten by frogs, birds or other bugs or killed by a lack of water. (sun-sentinel.com)
  • Five to 19 eggs are laid per day over a series of 30-65 days by the adult female (Cancela da Fonseca, 1954-1956). (hawaii.edu)
  • The aim of this study was to determine the effects of malathion in the cellularity and sperm differentiation in testis and epididymis of rats . (bvsalud.org)
  • Twenty adult male Sprague Dawley rats were divided into a malathion -treated group (n=10, dose of 170 mg/kg via subcutaneous injection for a period of 13 days) and control group (n=10, injected only with normal saline ). (bvsalud.org)
  • We conclude that malathion has a cytotoxic effect in rats , significantly reducing the number of sperm produced by the seminiferous tubules and affecting their quality and number during the process of maturation and capacitation in their transit through the epididymis , thus increasing the level of teratospermia . (bvsalud.org)
  • There is some indication that young rats may be more sensitive than adults to nervous system effects. (cdc.gov)
  • So, the purpose of the current study was to evaluate the individual and combined toxic effects of chlorpyrifos (CPF) and cypermethrin (CYP) on reproductive system of adult male albino rats. (springer.com)
  • We found that single CPF and CYP exposures significantly have adverse effects on reproductive function of adult male albino rats manifested by reduced testicular weight, decreased sperm count, motility and viability, significantly increased percent of morphologically abnormal spermatozoa, and significant increments in sperm DNA fragmentation index (DFI) with respect to control group. (springer.com)
  • Effect of chronic treatment with three varieties of Lepidium meyenii (Maca) on reproductive parameters and DNA quantification in adult male rats. (rain-tree.com)
  • Effect of different fractions from hydroalcoholic extract of Black Maca ( Lepidium meyenii ) on testicular function in adult male rats. (rain-tree.com)
  • Malathion enters the environment primarily through spraying on farm crops. (cdc.gov)
  • The Food and Drug Administration (FDA) and the EPA allow a maximum amount of 8 parts per million (ppm) of malathion to be present as a residue on specific crops used as foods. (cdc.gov)
  • Once malathion is introduced into the environment, usually from spraying on crops or in wide urban/residential areas, droplets of malathion in the air fall on soil, plants, water, or man-made surfaces. (cdc.gov)
  • Farm workers, chemical sprayers, and people who work in factories that make malathion are most likely to be exposed. (cdc.gov)
  • EPA requires that Malathion be applied at very low rates by sprayers operated by state or local applicators from trucks or aircraft to ensure protection of public health and the environment. (vidyya.com)
  • The previous week, the workers had been out in marshes with Altrosid, a hormone that prevents the larval mosquitos from becoming adults. (sun-sentinel.com)
  • The results showed a significant decrease in body, testicular and epididymal weight in animals treated with malathion . (bvsalud.org)
  • Los resultados obtenidos muestran una disminución significativa en el peso corporal , testicular y del epidídimo de ratas machos tratados con malatión . (bvsalud.org)
  • Malathion present in untreated water is converted to malaoxon during the chlorination phase of water treatment, so malathion should not be used in waters that may be used as a source for drinking water, or any upstream waters. (wikipedia.org)
  • As recently as last month, the U.S. Environmental Protection Agency (EPA) was considering classifying malathion as a low-level carcinogen. (queenstribune.com)
  • The International Agency for Research on Cancer (IARC) has determined that malathion is unclassifiable as to carcinogenicity to humans. (cdc.gov)
  • Birth defects have not been observed in humans exposed to malathion, but developmental effects have been seen in the offspring of animals that ingested enough malathion while pregnant to cause health effects in the mother. (cdc.gov)
  • exposed to a substance only when you come in Because malathion can be dangerous to humans, the contact with it. (cdc.gov)
  • It does seem to suggest that at non-extreme or more typical levels, there does seem to be some increased risk," said Adesman, who is on the professional advisory board for Children and Adults with ADHD, an advocacy group. (nbcsandiego.com)
  • It was discovered that poor work practices had resulted in excessive direct skin contact with isomalathion contained in the malathion solutions. (wikipedia.org)
  • Implementation of good work practices, and the cessation of use of malathion contaminated with isomalathion led to the cessation of poisoning cases. (wikipedia.org)
  • Furthermore, isomalathion has a greater than additive effect when administered with malathion, probably due to carboxylesterase inhibition (Ryan & Fukuto, 1984). (inchem.org)
  • 1978), WHO issued specifications for malathion water-dispersible powders, which required that a 50% powder contain no more than 0.9% isomalathion after storage at 54 C for six days (Miles et al. (inchem.org)