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Female Attenella margarita (Little Western Blue-Winged Olive) Mayfly Dun Pictures

 I found this dun unusually late in the year for anything in the Ephemerellidae family in the East. It's also small for that family.

This mayfly was collected from Willowemoc Creek on September 4th, 2006 and added to on October 3rd, 2006.

Recent Discussions of this Dun

ID on this little olive? 3 Replies »
Posted by Troutnut on Oct 3, 2006
Last reply on Oct 4, 2006 by GONZO
My Ephemerellidae keys are pretty much garbage when it comes to identifying female duns. I'm wondering if anybody has any insight on this one based on personal experience.

There can't be all that many tiny olive Ephemerellids hatching in September. My tentative guess would be Serratella.

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