Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
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Family Calliphoridae - Blow Flies

Unknown Fly - Cynomya cadaverina Secondary screwworm - Cochliomyia macellaria - male BG1372 C7738 - Lucilia cluvia Bluebottles - Greenbottles green bottle fly? - Lucilia - male - female Secondary Screwworm Fly - Cochliomyia macellaria Cochliomyia macellaria ? - Cochliomyia macellaria Chrysomya
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Calyptratae)
Superfamily Oestroidea
Family Calliphoridae (Blow Flies)
Other Common Names
Bluebottle and Greenbottle Flies
Synonyms and other taxonomic changes
para- or polyphyletic(1)
Explanation of Names
Calliphoridae Brauer & Bergenstamm 1889
84 spp. in 17 genera of 5 subfamilies in our area(2), >1,500 spp. in ~100 genera worldwide(3)(1)
keys to NA genera and species in(2)
keys to eastern genera and most species in(4)
key to KY spp. in(5)
very common in a wide variety of habitats, including heavily urbanized areas
scavengers (larvae in carrion, excrement, etc.) or parasites(6)
Commonly seen "basking" on the exterior walls of buildings (flesh flies also have this habit). Some cause myasis in humans and livestock.(6)