Subject:  Winter stonefly?
Geographic location of the bug:  Southwestern Pennsylvania
Date: 03/03/2021
Time: 05:54 PM EDT
Your letter to the bugman:  Hello, thank you for all the work you do.  It is truly helpful.  I took this picture in SW Pennsylvania on March 3rd next to a fast-moving stream.  Is this a mating pair of winter stoneflies?  Any help would be appreciated.  Thank you so much.
How you want your letter signed:  Adam

Mating Stoneflies

Thanks for your kind words Adam.  When you sent in this request over a month ago, Daniel had not returned to responding to identification requests, a hiatus he took for about a year.  Today was a slow request day so Daniel went back through unanswered mail and found your request.  These are definitely Stoneflies in the order Plecoptera and they do appear to be engaged in some sort of activity related to mating.  We cannot conclusively provide you with a family or species.

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Location: Southwestern Pennsylvania

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