Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Ritchie County Mayfly - Baetisca

Ritchie County Mayfly - Baetisca
Ritchie County, West Virginia, USA
April 16, 1989
From a Kodachrome slide.

Moved from Armored Mayflies.

Moved from Mayflies.

Hi Stephen-

I believe this male imago to be of genus Baetisca. Frankly, it had me stumped, at least until my good friend and fellow aquatic entomology/taxonomy enthusiast, Kurt Schirmer, identified it for me after having posted your photo on the entomology forum of my website.