Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Interested in a 2022 BugGuide gathering in New Mexico?

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Previous events


subgenus Sylvicola

Gnat? - Sylvicola fenestralis Wood Gnat with a hitch hiker - Sylvicola fenestralis Window gnat - Sylvicola fenestralis fly - Sylvicola alternatus what am I? - Sylvicola alternatus - female Sylvicola - Sylvicola alternatus Sylvicola fenestralis? - Sylvicola fenestralis - male - female Sylvicola alternatus - male
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
Two North American species: alternatus and fenestralis.
Crossvein between branches of M intersects M2 distant from fork of M1+2.