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Cochliomyia is commonly referred to as the New World screwworm flies, as distinct from Old World screwworm flies. Four species are in this genus: C. macellaria, C. hominivorax, C. aldrichi, and C. minima. [2] [3] C. hominivorax is known as the primary screwworm because its larvae produce myiasis and feed on living tissue. This feeding causes ...
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.
Cochliomyia macellaria, also known as the secondary screwworm, is a species of blow fly in the family Calliphoridae. [ 1 ] [ 3 ] [ 4 ] These screwworms are referred to as "secondary" because they typically infest wounds after invasion by primary myiasis -causing flies. [ 1 ]
Cochliomyia spp. (screw-worm fly) [15] Phormia spp. (black-bottle fly) [16] Calliphora spp. (blue-bottle fly) [17] Sarcophaga spp. (flesh fly or sarcophagids) Flesh flies, or sarcophagids, members of the family Sarcophagidae, can cause intestinal myiasis in humans if the females lay their eggs on meat or fruit. [18]
Screwworm, Cochliomyia: Cochliomyia hominivorax (family Calliphoridae) skin and wounds visual North America (eradicated), Central America, North Africa direct contact with fly Chigoe flea Tunga penetrans: Subcutaneous tissue: physical examination Central and South America, Sub-Saharan Africa Human botfly Dermatobia hominis: Subcutaneous tissue
The screw-worm fly was the first pest successfully eliminated from an area through the sterile insect technique, by the use of an integrated area-wide approach.. The sterile insect technique (SIT) [1] [2] is a method of biological insect control, whereby overwhelming numbers of sterile insects are released into the wild.
This technique was used to eradicate Cochliomyia hominivorax screw-worm fly from the USA where the flies were endemic, and from Libya where there had been an accidental importation from South America. Although this species of blowfly under natural conditions has larvae of the obligate myiasis type, it is possible to colonize the entire ...
Human parasites include various protozoa and worms. Human parasites are divided into endoparasites, which cause infection inside the body, and ectoparasites, which cause infection superficially within the skin. Parasites in general are hosts-dependent organisms that obtain nutrients while potentially harming their host in the process. [1]