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Female Hesperoperla pacifica (Golden Stone) Stonefly Adult Pictures

This stonefly was collected from the Henry's Fork of the Snake River on August 1st, 2020 and added to Troutnut.com on August 17th, 2020.

The dark, hairless, sclerotized rectangle on the subgenital plate (in focus in this picture) is a key identifying characteristic for Hesperoperla pacifica.  Female Hesperoperla pacifica (Golden Stone) Stonefly Adult from the Henry's Fork of the Snake River in Idaho
The dark, hairless, sclerotized rectangle on the subgenital plate (in focus in this picture) is a key identifying characteristic for Hesperoperla pacifica.

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