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Male Ephemerella aurivillii Mayfly Dun Pictures

 This is the most widespread species of Ephemerella, and also the most abundant in some places, but nobody I've talked to seemed to know what its duns looked like, and there were no pictures of its duns online or in any angling books. That mystery is solved with this male dun, which hatched from a definitively identified nymph.

This mayfly was collected from Nome Creek on July 10th, 2011 and added to Troutnut.com on July 12th, 2011.


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