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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.

Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington
With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.
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 August 22, 2020

Updates from August 22, 2020

Photos by Troutnut from the Snake River in Idaho

Snake River from the Clark Hill Rest Area on highway 26. Smoke from distant California wildfires was clouding eastern ID / west WY a couple weeks before this year's coast-wide smoke catastrophe.

From the Snake River in Idaho

Closeup insects by Troutnut from the Snake River in Idaho

Male Epeorus albertae (Heptageniidae) (Pink Lady) Mayfly Spinner from the Snake River in Idaho
This spinner appeared inside our car after a rest stop overlooking the Snake, so that's most likely where it came from. Two different keys place it firmly in Epeorus albertae.

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Jun 28, 2007
by Troutnut
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