Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Species Bibio femoratus

March Fly - Bibio femoratus - male March Fly - Bibio femoratus - male March Fly - Bibio femoratus march fly - Bibio femoratus - male Bibio femoratus - female Fly or Wasp? - Bibio femoratus - male Marsh Fly - Bibio femoratus - male Bibio femoratus - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Nematocera" (Non-Brachycera))
Infraorder Bibionomorpha (Gnats, Gall Midges, and March Flies)
Family Bibionidae (March Flies)
Genus Bibio
Species femoratus (Bibio femoratus)
Synonyms and other taxonomic changes
Bibio femorata Wiedemann 1828
7-9 mm
Shining black, dense yellow hair, red femora, front tibial spines nearly equal length, anterior veins dark brown, posterior veins light brown, R-M crossvein about equal to base of Rs. Females have dark wings, black along the leading edge if not entirely black.
Most of North America, except Canadian arctic and Western USA.