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.

Stream photos

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Limnephilus (Summer Flier Sedge) Caddisfly Larva Limnephilus (Summer Flier Sedge) Caddisfly Larva

Case view of a Limnephilus (Limnephilidae) (Summer Flier Sedge) Caddisfly Larva from the Yakima River in Washington

This seems to be a young larva of Limnephilus. Although not clear in the picture, several ventral abdominal segments have chloride epithelia.

7 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.

Site updates from August 30, 2020

Photos by Troutnut from Titcomb Basin in Wyoming

Casting in the Titcomb Basin outlet stream

From Titcomb Basin in Wyoming

Closeup insects by Troutnut from Island Lake in Wyoming

Female Siphlonurus occidentalis (Gray Drake) Mayfly Dun

6 Pictures

Lateral view of a Female Siphlonurus occidentalis (Siphlonuridae) (Gray Drake) Mayfly Dun from Island Lake in Wyoming

I caught this specimen two days' walk from my macro lenses, but I don't think I have a dun of this species yet, so I took the best photos I could with my iPhone.

Collected August 29, 2020 from Island Lake in Wyoming

Added by Troutnut on September 18, 2020

Collected August 29, 2020 from Island Lake in Wyoming and added by Troutnut on September 18, 2020