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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

Dorsal view of a Limnephilidae (Giant Sedges) Caddisfly Larva from the Yakima River in Washington
This specimen resembled several others of around the same size and perhaps the same species, which were pretty common in my February sample from the upper Yakima. Unfortunately, I misplaced the specimen before I could get it under a microscope for a definitive ID.
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Hesperoperla pacifica (Golden Stone) Stonefly Nymph Pictures

Hesperoperla pacifica (Perlidae) (Golden Stone) Stonefly Nymph from the Yakima River in Washington
Hesperoperla pacifica (Perlidae) (Golden Stone) Stonefly Nymph from the Yakima River in Washington
Artistic view of a Hesperoperla pacifica (Perlidae) (Golden Stone) Stonefly Nymph from the Yakima River in Washington
Hesperoperla pacifica (Perlidae) (Golden Stone) Stonefly Nymph from the Yakima River in Washington
Hesperoperla pacifica (Perlidae) (Golden Stone) Stonefly Nymph from the Yakima River in Washington
Hesperoperla pacifica (Perlidae) (Golden Stone) Stonefly Nymph from the Yakima River in Washington
Ventral view of a Hesperoperla pacifica (Perlidae) (Golden Stone) Stonefly Nymph from the Yakima River in Washington
Dorsal view of a Hesperoperla pacifica (Perlidae) (Golden Stone) Stonefly Nymph from the Yakima River in Washington
Ruler view of a Hesperoperla pacifica (Perlidae) (Golden Stone) Stonefly Nymph from the Yakima River in Washington The smallest ruler marks are 1 mm.

This stonefly was collected from the Yakima River in Washington on April 24th, 2022 and added to Troutnut.com by Troutnut on April 27th, 2022.


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Hesperoperla pacifica (Golden Stone) Stonefly Nymph Pictures

Collection details
Location: Yakima River, Washington
Date: April 24th, 2022
Added to site: April 27th, 2022
Author: Troutnut
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