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Subfamily Eristalinae

big black fly, facial view - Copestylum mexicanum Spilomyia longicornis - female BG1478 D0883 - Meromacrus acutus Drone Fly - Eristalis tenax - female Unidentified Insect 145 - Helophilus Fly - Merodon equestris Eristalis subgenus Eoseristalis - Eristalis fratercula - female fly - Palpada vinetorum
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Aschiza")
Family Syrphidae (Syrphid Flies)
Subfamily Eristalinae
Numbers
~500 spp. in 73 genera in our area(1)
Identification
humeri pilose
Habitat
larvae in moist, sometimes shallow aquatic environments
Food
larvae of most feed on decaying organic debris. They are filter feeders in different kinds of aquatic media. They purify water by filtering microorganisms and other products.
Works Cited
1.Key to the genera of nearctic Syrphidae
Miranda G.F.G, Young A.D., Locke M.M., Marshall S.A., Skevington J.H., Thompson F.C. 2013. Canadian Journal of Arthropod Identification 23: 1-351.