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Female Ephemerella excrucians (Pale Morning Dun) Mayfly Dun Pictures

 This "specimen" is actually two different duns, one missing the middle front and back left legs, the other missing the terminal filament i.e. middle tail. I added them together by accident, but since they're the same species, stage, and gender, I might as well leave them together.

This mayfly was collected from the Big Lost River on August 2nd, 2020 and added to on August 18th, 2020.

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