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Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

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Species Sylvicola alternatus

Wood Gnats - Sylvicola alternatus - male - female Sylvicola - Sylvicola alternatus - female Fly - Sylvicola alternatus - female Unknown Fly - Sylvicola alternatus - female Pennsylvania Fly for ID - Sylvicola alternatus - male Sylvicola? - Sylvicola alternatus - female Wood Gnat - Sylvicola alternatus Sylvicola alternatus Wood Gnat mating - Sylvicola alternatus - male - female
Classification
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 Anisopodidae (Wood Gnats)
Subfamily Anisopodinae
Genus Sylvicola
No Taxon (subgenus Sylvicola)
Species alternatus (Sylvicola alternatus)
Synonyms and other taxonomic changes
Sylvicola alternatus (Say, 1823)
Synonyms:
Rhyphus alternatus Say, 1823
Identification
Crossvein between M2 and M3 (closing discal cell) distinctly after fork of M1 and M2. Pale spot near wing tip white with sharp boundary. Male holoptic. Median dark stripe on thorax (usually?) divided.
Range
Most of US and southern Canada