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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.

Outlet stream of Upper Titcomb Lake

From Titcomb Basin in Wyoming

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Sweltsa (Sallfly) Stonefly Nymph Sweltsa (Sallfly) Stonefly Nymph

Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington

This species was fairly abundant in a February sample of the upper Yakima.

10 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.

Updates from May 25, 2004

Updates from May 25, 2004

Closeup insects by Troutnut from Miscellaneous Wisconsin in Wisconsin

Female Epeorus vitreus (Sulphur) Mayfly Spinner

Female Epeorus vitreus (Heptageniidae) (Sulphur) Mayfly Spinner from unknown in Wisconsin

I collected this one as a dun, and she molted into a spinner in my room.

Collected May 25, 2004 from unknown in Wisconsin

Added by Troutnut on January 25, 2006

Collected May 25, 2004 from unknown in Wisconsin and added by Troutnut on January 25, 2006

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