Hesperoperla pacifica (Golden Stone) Stonefly Nymph Pictures

Classification

ID notes from the microscope: The occiput (Occiput: The back of the head.) has a sinuate, irregularly spaced spinule row.

This stonefly was collected from the East Fork Big Lost River on August 3rd, 2020 and added to Troutnut.com on August 19th, 2020.

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The nymph was out of the water in this picture, because it wouldn't stop wriggling and flip over.

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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.

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