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.

View Full Size and Comment (6.7X larger)

View Full Size and Comment (5.8X larger)

View Full Size and Comment (6.7X larger)

View Full Size and Comment (5.4X larger)

View Full Size and Comment (4.9X larger)

View Full Size and Comment (5X larger)

View Full Size and Comment (5.5X larger)

View Full Size and Comment (6.7X larger)

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

View Full Size and Comment (6.1X larger)

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.

Start a Discussion of this Nymph:

You must log in at the top of the page to post. If you haven't registered yet, it's this easy: