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Family Calliphoridae - Blow Flies

Unknown Fly - Chrysomya megacephala Maybe Phormia regina - female Bottle fly - Lucilia cuprina 7 mm blow fly - Bellardia vulgaris - female Folded Wing Fly bluish fly on path in Vargas Plateau Regional Park on 2021 April 23 - Calliphora Vail metallic green fly - Chrysomya rufifacies Calliphoridae
Classification
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
Blow-flies get this common name from the cause of serious loss to sheep owners in some places by "blowing" the wool.
Numbers
84 spp. in 17 genera of 5 subfamilies in our area(2), >1,500 spp. in ~100 genera worldwide(1)
Identification
keys to NA genera and species in (3)(2)
keys to eastern genera and most species in(4)
key to KY spp. in(5)
Habitat
very common in a wide variety of habitats, including heavily urbanized areas
Food
scavengers (larvae in carrion, excrement, etc.) or parasites(6)
Remarks
Commonly seen "basking" on the exterior walls of buildings (flesh flies also have this habit). Some cause myiasis in humans and livestock.(6)