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

National Moth Week photos of insects and people. Here's how to add your images.

Photos of insects and people from the 2019 BugGuide 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.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

tiny mayfly #1 - Anafroptilum - male

tiny mayfly #1 - Anafroptilum - Male
Credit Island, Davenport, Scott County, Iowa, USA
September 15, 2011
Size: ~9 mm BL
These very small mayflies were very numerous resting on the surface of near-shore water along a large island in the Mississippi River.

Moved from Centroptilum.

Moved from Mayflies.


Kurt Schirmer has viewed this photo, and believes it to be male subimago of genus Centroptilum, possibly C. album.

Baetidae, male subimago
experts may be able to tell you more

Comment viewing options
Select your preferred way to display the comments and click 'Save settings' to activate your changes.