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Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin
Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

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.

Landscape & scenery photos from the Bitterroot River

Photo by Les Korcala

From the Bitterroot River in Montana
The Bitterroot River in Montana
Small westslope cutthroat trout on the Bitterroot River
The Bitterroot River in Montana
The Bitterroot River in Montana
The Bitterroot River in Montana
The Bitterroot River in Montana
The Bitterroot River in Montana
The Bitterroot River in Montana
The Bitterroot River in Montana
The Bitterroot River in Montana

Closeup insects by Troutnut from the Bitterroot River in Montana

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Male Ecdyonurus criddlei (Little Slate-Winged Dun) Mayfly Spinner
Lateral view of a Male Ecdyonurus criddlei (Heptageniidae) (Little Slate-Winged Dun) Mayfly Spinner from the Bitterroot River in Montana
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