Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

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

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

Photos of 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

Previous events


Subfamily Ulidiinae

Bosque del Apache Fly - Acrosticta fly 127 - Chaetopsis Striped Marsh Fly - Chaetopsis Picture-winged Fly - Chaetopsis One of the Picture-winged? - Chaetopsis Diptera, Ulidiidae - Chaetopsis Dipteran? - Zacompsia fulva - female Black-wing-tipped fly - Euxesta notata - female

Black Fly With Red Eyes Picture-winged Fly - Seioptera vibrans Picture-winged Fly - Seioptera vibrans Red faced black fly - Seioptera vibrans Fly with odd red eyes - Seioptera vibrans Fly - Seioptera vibrans Seioptera on Autocarpus fruit - Seioptera vibrans - female Spotted Wing Tips Black Fly - Posterior Dorsal  - Seioptera vibrans

Small unidentified fly - Physiphora clausa A funny little fly - Physiphora alceae - female Flies on dung - Physiphora alceae fly - Physiphora clausa Unidentified Fly 1 - Physiphora alceae - female picture-winged fly - Physiphora alceae - male Physiphora? - Physiphora alceae Potential Physiphora alceae in Saskatoon - Physiphora alceae