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.

A small, old rock wing dam has created an excellent riffle and pool in this classic trout stream.

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.

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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.

Perlodidae (Springflies and Yellow Stones) Stonefly Adult Pictures

Dorsal view of a Perlodidae (Springflies and Yellow Stones) Stonefly Adult from the Beaverkill River in New York

Perlodidae (Springflies and Yellow Stones) Stonefly Adult from the Beaverkill River in New York

Ventral view of a Perlodidae (Springflies and Yellow Stones) Stonefly Adult from the Beaverkill River in New York

This stonefly was collected from the Beaverkill River in New York on May 7th, 2005 and added to Troutnut.com by Troutnut on May 16th, 2006.

Discussions of this Adult

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3 replies

Posted by DMM on Nov 26, 2006

Last reply on Jun 9, 2016 by Troutnut

I am not 100% sure, but I think it is a Chloroperlid. If not, it is a Perlodid (I don't think it is though). Do you have pictures of outstretched wings? Do you know the size?

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