Infraorder Bibionomorpha (Gnats, Gall Midges, and March Flies)
Superfamily Sciaroidea (Fungus Gnats and Gall Midges)
Nearctica lists 20 species.
Contributed by tom murray on 16 May, 2007 - 9:51pm Additional contributions by Beatriz Moisset Last updated 23 January, 2008 - 6:07pm
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