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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.

Sunlight perfectly strikes the trees at a bend in the Foss River in the Washington Cascades.

From the Foss River in Washington

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Hydropsyche (Spotted Sedge) Caddisfly Larva Hydropsyche (Spotted Sedge) Caddisfly Larva

Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington

With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.

9 Recently Added Photos

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.

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Site updates from August 4, 2004

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Site updates from August 4, 2004

Photos by Troutnut

This gorgeous 9" brook trout fell for a size 20 spinner on a glassy spring-fed river.

Closeup insects by Troutnut from Miscellaneous Wisconsin in Wisconsin

Female Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly Spinner

Female Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly Spinner from unknown in Wisconsin

Collected August 3, 2004 from unknown in Wisconsin

Added by Troutnut on January 19, 2006

Collected August 3, 2004 from unknown in Wisconsin and added by Troutnut on January 19, 2006

Female Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs) Mayfly Dun

Female Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs) Mayfly Dun from unknown in Wisconsin

Collected August 3, 2004 from unknown in Wisconsin

Added by Troutnut on January 19, 2006

Collected August 3, 2004 from unknown in Wisconsin and added by Troutnut on January 19, 2006

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