Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Fall Fund Drive


Genus Simulium

Black Fly - Simulium - female Black Fly - Simulium - female Fly - Simulium - male Pesky fly - Simulium - female Simulium annulus - Infestation of Common Loon Nest Platform - Simulium annulus Black Fly / Buffalo Gnat - Simulium - female Dark gray fly - Simulium - female Fly - Simulium
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Nematocera" (Non-Brachycera))
Infraorder Culicomorpha (Mosquitoes and Midges)
Family Simuliidae (Black Flies)
Genus Simulium
Over one hundred species in North America, many visually indistinguishable
Basal radial cell one quarter length of wing (compared to one third in most other black flies). Basal medial cell minute or absent. Legs often banded. (1)
Works Cited
1.The Black Flies (Simuliidae) of North America
Peter H. Adler et al. 2004. Cornell University Press.