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Female Epeorus vitreus (Sulphur) Mayfly Spinner Pictures

This mayfly was collected from Mystery Creek #43 on September 19th, 2006 and added to Troutnut.com on October 4th, 2006.

Recent Discussions of this Spinner

First Sighting
Posted by Martinlf on May 25, 2008
I saw my first E. vitreus spinner yesterday on a small spring creek in Blair County, PA. What a gorgeous bug! It was love at first sight. Thanks for the photo, Jason. I'm saving it in my fish porn folder.
ReplyPeculiar Heptageniid 2 Replies »
Posted by Troutnut on Oct 4, 2006
Last reply on Oct 5, 2006 by GONZO
Most of this relatively large spinner's features make me think Maccaffertium but the fore tarsal ratio and the upward slant of the basal costal crossveins seem to fit Epeorus. Any thoughts? I'm guessing it's a late-season vitreus.
Reply

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