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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.

Here Oksrukuyik Creek flows away from the Dalton Highway toward the pipeline. It eventually grows into one of the major rivers of the North Slope, and the main drainage to the west of the Sag, but where it crosses the road it's just a small grayling stream. From Oksrukuyik Creek in Alaska

Stream photos

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Isoperla (Stripetails and Yellow Stones) Stonefly AdultIsoperla (Stripetails and Yellow Stones) Stonefly Adult
Dorsal view of a Isoperla (Perlodidae) (Stripetails and Yellow Stones) Stonefly Adult from Mystery Creek #308 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.

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  3. Site updates from May 26, 2005

Photos by Troutnut from the Teal River and in Wisconsin and

The Teal River in Wisconsin
The Teal River in Wisconsin
A 20-inch brown jumps at the end of my dad's fly line, but the picture quality isn't the best. He could just as easily be shaking his fist at a beaver.
The Teal River in Wisconsin

On-stream insect photos by Troutnut from the West Fork of the Chippewa River in Wisconsin

Often mayflies can be found on houses near the river. This one molted from a dun into a spinner on the outside of our kitchen window. Any lit dwelling near the river can attract a lot of mayflies at night. A good way to determine what's hatching is to visit a gas station (or anything else with bright lights) close to the river early in the morning. From the West Fork of the Chippewa River in Wisconsin

Closeup insects by Troutnut and Bnewell from the Namekagon River and the Flathead River in Wisconsin and Montana

13
Female Stenonema (March Browns and Cahills) Mayfly Dun
Lateral view of a Female Stenonema (Heptageniidae) (March Browns and Cahills) Mayfly Dun from the Namekagon River in Wisconsin
8
Female Baetidae (Blue-Winged Olive) Mayfly Spinner
Lateral view of a Female Baetidae (Blue-Winged Olive) Mayfly Spinner from the Namekagon River in Wisconsin
4
Male Ephemerella invaria (Sulphur) Mayfly Dun
Dorsal view of a Male Ephemerella invaria (Ephemerellidae) (Sulphur) Mayfly Dun from the Namekagon River in Wisconsin
2
Female Callibaetis undatus (Speckled Dun) Mayfly Spinner
Female Callibaetis undatus (Baetidae) (Speckled Dun) Mayfly Spinner from the Flathead River-lower in Montana

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