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For Insects, Spiders & Their Kin
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Photo#1069133
Large male (?) mayfly - Rhithrogena - male

Large male (?) mayfly - Rhithrogena - Male
Lassen National Forest, Warner Creek Campground, Plumas County, California, USA
May 18, 2015
Size: ca 10-15 mm
Beat from a pine tree next to a creek.

Images of this individual: tag all
Large male (?) mayfly - Rhithrogena - male Large male (?) mayfly - Rhithrogena

Moved
Moved from Mayflies.

Rhithrogena
Hi Ken-

I believe this male imago to be of genus Rhithrogena.