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Photo#255724
Stonefly

Stonefly
Pepperell, Middlesex County, Massachusetts, USA
February 27, 2009
Size: 6mm

This one
got squashed somehow, so I can't resolve it, but I agree with Lloyd as to being a nemourid, and a different genus from all the others.

Moved
Moved from Allocapnia.

Not Allocapnia
This looks like a misplaced nemourid. (The stocky shape, divergent rear wingpads, and forward position of the posterior ocelli are all suggestive of Nemouridae.)

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