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Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

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Genus Cochliomyia - Screwworm Flies

Fly - Cochliomyia macellaria - male Secondary screwworm - Cochliomyia macellaria - male Secondary Screwworm, perhaps? - Cochliomyia macellaria Fly on Buckbrush - Cochliomyia macellaria Secondary Screwworm Fly - Cochliomyia macellaria - female Blue fly - Cochliomyia macellaria - male Secondary Screwworm Fly - Cochliomyia macellaria Blue metallic fly - Cochliomyia macellaria
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Calyptratae)
Superfamily Oestroidea
Family Calliphoridae (Blow Flies)
Subfamily Chrysomyinae
Genus Cochliomyia (Screwworm Flies)
Explanation of Names
Cochliomyia Townsend 1915
'snail fly'
4 spp., all in our area(1)(2)
genae (cheeks) orange, see comments:
in our area, throughout US to so. Canada; 2 spp. are Neotropical and only reach so. FL, one has been eradicated (formerly widespread in so. US north to SC-IN-IA-c.CA), so C. macellaria is the only species one may expect to encounter(1)
two spp. cause myiasis and considered pests: C. hominivorax (Primary Screwworm, extirpated) and C. macellaria (Secondary Screwworm, widespread)(3)