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Screwworms
''Cochliomyia'' is a genus in the family Calliphoridae, known as blow-fly, blowflies, in the order Diptera. ''Cochliomyia'' is commonly referred to as the New World screwworm flies, as distinct from Chrysomya, Old World screwworm flies. Four species are in this genus: ''Cochliomyia macellaria, C. macellaria'', ''Cochliomyia hominivorax, C. hominivorax'', ''C. aldrichi'', and ''C. minima''. ''C. hominivorax'' is known as the primary screwworm because its larvae produce myiasis and feed on living tissue. This feeding causes deep, pocket-like lesions in the skin, which can be very damaging to the animal host. ''C. macellaria'' is known as the secondary screwworm because its larvae produce myiasis, but feed only on Necrosis, necrotic tissue. Both ''C. hominivorax'' and ''C. macellaria'' thrive in warm, tropical areas. Characteristics Adult In general, all Diptera have three body regions (head, thorax, and abdomen), three pairs of legs, one pair of forewings used for flight, one ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cochliomyia Macellaria
''Cochliomyia macellaria'', also known as the secondary screwworm, is a species of Calliphoridae, blow fly in the family Calliphoridae. These screwworms are referred to as "secondary" because they typically infest wounds after invasion by primary myiasis-causing flies. While Calliphoridae, blow flies may be found in every terrestrial habitat, ''C. macellaria'' is primarily found in the United States, American tropics, and sometimes southern Canada. They are most common in the southeastern United States in states like Florida. ''C. macellaria'' have a metallic color, metallic greenish-blue thorax and a red-orange head and eyes. These adult blowflies range from 5–8 mm in size. Since the fly Larva, larvae infect the wounds and dead tissue of animals, these flies pose a grave medical and economic risk to humans and livestock. ''C. macellaria'' are attracted to carrion and garbage and are often found in slaughterhouses and outdoor markets in the tropics. While these flies ca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cochliomyia Hominivorax
''Cochliomyia hominivorax'', the New World screwworm fly, or simply screwworm or screw-worm, is a species of parasitic fly that is well known for the way in which its larvae (maggots) eat the living tissue of warm-blooded animals. It is present in the New World tropics. Of the five species of '' Cochliomyia'', only ''C. hominivorax'' is parasitic; a single parasitic species of Old World screwworm fly is placed in a different genus (''Chrysomya bezziana''). Infestation of a live vertebrate animal by a maggot is technically called myiasis. While the maggots of many fly species eat dead flesh, and may occasionally infest an old and putrid wound, screwworm maggots are unusual because they attack healthy tissue. This increases the chances of infection, and damaged tissue also attracts more of these flies . The New World screwworm fly was the first species upon which the sterile insect technique was tested, and then applied in a natural environment, resulting in the control and sy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Calliphoridae
The Calliphoridae (commonly known as blowflies, blow flies, blow-flies, carrion flies, bluebottles, or greenbottles) are a family of insects in the order Diptera, with almost 1,900 known species. The maggot larvae, often used as fishing bait, are known as gentles. The family is known to be polyphyletic, but much remains disputed regarding proper treatment of the constituent taxa, some of which are occasionally accorded family status (e.g., Bengaliidae and Helicoboscidae). Description Characteristics Calliphoridae adults are commonly shiny with metallic colouring, often with blue, green, or black thoraces and abdomens. Antennae are three-segmented and aristate. The aristae are plumose their entire length, and the second antennal segment is distinctly grooved. Members of Calliphoridae have branched Rs 2 veins, frontal sutures are present, and calypters are well developed. The characteristics and arrangements of hairlike bristles are used to differentiate among members of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diptera
Flies are insects of the order Diptera, the name being derived from the Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advanced mechanosensory organs known as halteres, which act as high-speed sensors of rotational movement and allow dipterans to perform advanced aerobatics. Diptera is a large order containing more than 150,000 species including horse-flies, crane flies, hoverflies, mosquitoes and others. Flies have a mobile head, with a pair of large compound eyes, and mouthparts designed for piercing and sucking (mosquitoes, black flies and robber flies), or for lapping and sucking in the other groups. Their wing arrangement gives them great manoeuvrability in flight, and claws and pads on their feet enable them to cling to smooth surfaces. Flies undergo complete metamorphosis; the eggs are often laid on the larval food-source and the larvae, which lack true ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Henry Tyler Townsend
Charles Henry Tyler Townsend (December 5, 1863 – March 17, 1944) was an American entomologist specializing in the study of tachinids (Tachinidae), a large and diverse family of flies (Diptera) with larvae that are parasitoids of other insects. He was perhaps the most prolific publisher of new tachinids, naming and describing some 3000 species and genera. He made important contributions to the biological control of insect pests and he was the first to identify the insect vector of a debilitating disease in Peru. Townsend was also a controversial figure and criticism of his approach to insect taxonomy continues to this day. Biography Townsend was born in Theodore Dru Alison Cockerell">T.D.A. Cockerell, and became curator of the Public Museum in Kingston, Jamaica. Townsend focused on educating the local farmers about insect pests and how to control them. In 1894 he was rehired by the USDA to study the appearance of a new pest, the cotton boll weevil in Texas and northern Mexico. He ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edward F
Edward is an English male name. It is derived from the Anglo-Saxon name ''Ēadweard'', composed of the elements '' ēad'' "wealth, fortunate; prosperous" and '' weard'' "guardian, protector”. History The name Edward was very popular in Anglo-Saxon England, but the rule of the Norman and Plantagenet dynasties had effectively ended its use amongst the upper classes. The popularity of the name was revived when Henry III named his firstborn son, the future Edward I, as part of his efforts to promote a cult around Edward the Confessor, for whom Henry had a deep admiration. Variant forms The name has been adopted in the Iberian peninsula since the 15th century, due to Edward, King of Portugal, whose mother was English. The Spanish/Portuguese forms of the name are Eduardo and Duarte. Other variant forms include French Édouard, Italian Edoardo and Odoardo, German, Dutch, Czech and Romanian Eduard and Scandinavian Edvard. Short forms include Ed, Eddy, Eddie, Ted, Teddy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sterile Insect Technique
The sterile insect technique (SIT) is a method of biological pest control, biological insect control, whereby overwhelming numbers of infertility, sterile insects are released into the wild. The released insects are preferably male, as this is more cost-effective and the females may in some situations cause damage by laying eggs in the crop, or, in the case of mosquitoes, taking blood from humans. The sterile males compete with fertile males to mate with the females. Females that mate with a sterile male produce no offspring, thus reducing the next generation's population. Sterile insects are not self-replicating and, therefore, cannot become established in the environment. Repeated release of sterile males over low population densities can further reduce and in cases of isolation eliminate pest populations, although cost-effective control with dense target populations is subjected to population suppression prior to the release of the sterile males. The technique has successfully ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Agricultural Research Service
The Agricultural Research Service (ARS) is the principal in-house research agency of the United States Department of Agriculture (USDA). ARS is one of four agencies in USDA's Research, Education and Economics mission area. ARS is charged with extending the nation's scientific knowledge and solving agricultural problems through its four national program areas: nutrition, food safety and quality; animal production and protection; natural resources and sustainable agricultural systems; and crop production and protection. ARS research focuses on solving problems affecting Americans every day. The ARS Headquarters is located in the Jamie L. Whitten Building on Independence Avenue in Washington, D.C., and the headquarters staff is located at the George Washington Carver Center (GWCC) in Beltsville, Maryland. For 2018, its budget was $1.2 billion. For 2023, the budget grew to $1.9 billion. Mission ARS conducts scientific research for the American public. Their main focus is on research ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Raymond C
Raymond is a male given name of Germanic origin. It was borrowed into English from French (older French spellings were Reimund and Raimund, whereas the modern English and French spellings are identical). It originated as the Germanic ᚱᚨᚷᛁᚾᛗᚢᚾᛞ (''Raginmund'') or ᚱᛖᚷᛁᚾᛗᚢᚾᛞ (''Reginmund''). ''Ragin'' ( Gothic) and ''regin'' ( Old German) meant "counsel". The Old High German ''mund'' originally meant "hand", but came to mean "protection". This etymology suggests that the name originated in the Early Middle Ages, possibly from Latin. Alternatively, the name can also be derived from Germanic Hraidmund, the first element being ''Hraid'', possibly meaning "fame" (compare ''Hrod'', found in names such as Robert, Roderick, Rudolph, Roland, Rodney and Roger) and ''mund'' meaning "protector". Despite the German and French origins of the English name, some of its early uses in English documents appear in Latinized form. As a surname, its first recorded ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
