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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Perlodidae (Springflies and Yellow Stones) Stonefly Nymph Perlodidae (Springflies and Yellow Stones) Stonefly Nymph

Artistic view of a Perlodidae (Springflies and Yellow Stones) Stonefly Nymph from the Yakima River in Washington

This one seems to lead to Couplet 35 of the Key to Genera of Perlodidae Nymphs and the genus Isoperla, but I'm skeptical that's correct based on the general look. I need to get it under the microscope to review several choices in the key, and it'll probably end up a different Perlodidae.

11 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.

Male Neoleptophlebia Mayfly Spinner Pictures

I wasn't actually fishing the river where I caught this one. I was just scouting, didn't like the look of the water, and as I was walking back to the car this little dun landed on my vest. Why can't they all be so easy to collect?

Lateral view of a Male Neoleptophlebia (Leptophlebiidae) Mayfly Spinner from the East Branch of the Delaware River in New York

Male Neoleptophlebia (Leptophlebiidae) Mayfly Spinner from the East Branch of the Delaware River in New York

Dorsal view of a Male Neoleptophlebia (Leptophlebiidae) Mayfly Spinner from the East Branch of the Delaware River in New York

Ventral view of a Male Neoleptophlebia (Leptophlebiidae) Mayfly Spinner from the East Branch of the Delaware River in New York

Ruler view of a Male Neoleptophlebia (Leptophlebiidae) Mayfly Spinner from the East Branch of the Delaware River in New York The smallest ruler marks are 1 mm.

This mayfly was collected from the East Branch of the Delaware River in New York on September 8th, 2006 and added to Troutnut.com by Troutnut on October 4th, 2006.

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