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Myiasis Producing Flies (view source)

Revision as of 20:00, 30 March 2010

949 bytes removed , 20:00, 30 March 2010

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'''[[Calliphoridae|''Calliphoridae'']]

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'''[[Chrysomya bezziana|''Chrysomya bezziana'']]

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~~===Screw Worm Myiasis===~~

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~~[[Image:Screw Worm.jpg|right|thumb|150px|Screw worm larvae - John Kucharski - Wikimedia Commons]]~~

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*''C. bezziana'' cause myiasis in both animals and humans

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*Located mainly in tropical regions

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*Larvae are '''obligate''' parasites

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~~'''Recognition'''~~

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*Similar to ''Calliphora spp.''

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**Iridescent

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**Clear wings

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**Blue abdomen

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*Longitudinal stripes on thorax

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*Larvae have bands of spines

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**Look like screws

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~~'''Life cycle'''~~

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*Eggs laid in wounds or body cavities

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*Larvae feed as colonies

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*Larvae drop to the ground to pupate

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~~'''Pathogenesis'''~~

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*Spiracles are exposed as larvae feed which expands the wound

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**Creates a foul smelling lesion

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*Cause irritation and pyrexia

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~~'''Control'''~~

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*In the USA

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**Mass eradication through the release of sterile males

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**Currently only persists where flies have migrated across the Mexican border

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*In Africa

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**Introduced into Libya through the importation of infested livestock

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**Sterile males released

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**Eradication occurred in 1991

Bara

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