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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.

Titcomb Basin in Wyoming

Stream photos

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

Updates from April 30, 2004

Updates from April 30, 2004

Closeup insects by Troutnut from the Namekagon River in Wisconsin

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Male Ephemerella subvaria (Hendrickson) Mayfly Dun
The yellow in this dun's wing is from an injury, not its natural color. Male Ephemerella subvaria (Ephemerellidae) (Hendrickson) Mayfly Dun from the Namekagon River in Wisconsin
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Male Ephemerella subvaria (Hendrickson) Mayfly Dun
Male Ephemerella subvaria (Ephemerellidae) (Hendrickson) Mayfly Dun from the Namekagon River in Wisconsin
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Male Ephemerella subvaria (Hendrickson) Mayfly Dun
Male Ephemerella subvaria (Ephemerellidae) (Hendrickson) Mayfly Dun from the Namekagon River in Wisconsin
This one hatched around 2 pm on opening day of trout season.
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Female Ephemerella subvaria (Hendrickson) Mayfly Dun
Female Ephemerella subvaria (Ephemerellidae) (Hendrickson) Mayfly Dun from the Namekagon River in Wisconsin
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Female Ephemerella subvaria (Hendrickson) Mayfly Dun
Female Ephemerella subvaria (Ephemerellidae) (Hendrickson) Mayfly Dun from the Namekagon River in Wisconsin

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