Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Photo#327586
Squaregill Mayfly - Caenis

Squaregill Mayfly - Caenis
University of Guelph Arboretum, Guelph (N43º32'31"W080º12'46"), Wellington, Ontario, Canada
August 26, 2009
Size: 3 mm
Here's a Caenid for Ontario. Scooped from weed-choked pond edge.