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Photo#304473
Small Square-gilled Mayfly - Caenis - female

Small Square-gilled Mayfly - Caenis - Female
Pack Forest (near Eatonville), Pierce County, Washington, USA
July 10, 2009
See other images from the 2009 BugGuide Gathering here: gathering_2009

Images of this individual: tag all
Small Square-gilled Mayfly - Caenis - female Small Square-gilled Mayfly - Caenis - female

Caenis
Kevin-

This is a Caenis female imago, and really a good find, as Caenis have not been previously confirmed from Pierce Co. See WA Mayfly Distribution - By County, and click on the hyperlink for Pierce.

 
very cool
Thanks for the info. However, our location was within about 1/4 mile of two other counties. :)

Small square gill mayfly
I can get these to Caenidae,Small square gill mayfies, but don't know enough to go further

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