Difference between revisions of "Chrysomya bezziana"
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(Created page with '===Screw Worm Myiasis=== right|thumb|150px|Screw worm larvae - John Kucharski - Wikimedia Commons *''C. bezziana'' cause myiasis in both animals and huma…') |
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**Introduced into Libya through the importation of infested livestock | **Introduced into Libya through the importation of infested livestock | ||
**Sterile males released | **Sterile males released | ||
| − | **Eradication occurred in 1991 | + | **Eradication occurred in 1991 |
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| + | [[Category:Myiasis_Producing_Flies]] | ||
Revision as of 12:23, 5 April 2010
Screw Worm Myiasis
- C. bezziana cause myiasis in both animals and humans
- Located mainly in tropical regions
- Larvae are obligate parasites
Recognition
- Similar to Calliphora spp.
- Iridescent
- Clear wings
- Blue abdomen
- Longitudinal stripes on thorax
- Larvae have bands of spines
- Look like screws
Life cycle
- Eggs laid in wounds or body cavities
- Larvae feed as colonies
- Larvae drop to the ground to pupate
Pathogenesis
- Spiracles are exposed as larvae feed which expands the wound
- Creates a foul smelling lesion
- Cause irritation and pyrexia
Control
- In the USA
- Mass eradication through the release of sterile males
- Currently only persists where flies have migrated across the Mexican border
- In Africa
- Introduced into Libya through the importation of infested livestock
- Sterile males released
- Eradication occurred in 1991