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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
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 Pycnopsyche guttifera (Limnephilidae) (Great Autumn Brown Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen appears to be of the same species as this one collected in the same spot two months earlier. The identification of both is tentative. This one suffered some physical damage before being photographed, too, so the colors aren't totally natural. I was mostly photographing it to test out some new camera setting idea, which worked really well for a couple of closeups.
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.

Updates from November 29, 1999

Photos by Bnewell and Troutnut

Photo by Les Korcala

From the Bitterroot River in Montana

Underwater photos by Bnewell

On-stream insect photos by Troutnut

Lake Owen in Wisconsin

Closeup insects by Bnewell from the Big Thompson River and the Grande Rhonde River in Montana and Washington

Rhithrogena virilis (Heptageniidae) Mayfly Nymph from the Big Thompson River in Montana
A photo showing the minor details on the nymph of this rarely collected mayfly
Female Hesperoperla pacifica (Perlidae) (Golden Stone) Stonefly Adult from the Grande Rhonde River in Washington
Fly fishermen refer to this stonefly as one of "golden stones".
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