I had to wait until after this one died in the preservative (alcohol) before I could get a wetted ventral view, because it was too squirmy otherwise.  Hesperoperla pacifica (Golden Stone) Stonefly Nymph from the East Fork Big Lost River in Idaho
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I had to wait until after this one died in the preservative (alcohol) before I could get a wetted ventral view, because it was too squirmy otherwise.
Hesperoperla pacifica (Golden Stone) Stonefly Nymph from the East Fork Big Lost River in Idaho

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