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.

A small spring creek in Wisconsin. A little brook trout stream tumbles over boulders

Stream photos

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Onocosmoecus (Great Late-Summer Sedge) Caddisfly Larva Onocosmoecus (Great Late-Summer Sedge) Caddisfly Larva

Lateral view of a Onocosmoecus (Limnephilidae) (Great Late-Summer Sedge) Caddisfly Larva from the Yakima River in Washington

This specimen keys pretty easily to Onocosmoecus, and it closely resembles a specimen from Alaska which caddis expert Dave Ruiter recognized as this genus. As with that specimen, the only species in the genus documented in this area is Onocosmoecus unicolor, but Dave suggested for that specimen that there might be multiple not-yet-distinguished species under the unicolor umbrella and it would be best to stick with the genus-level ID. I'm doing the same for this one.

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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.

Montana snow peak in June

Wbranch has attached this picture. The message is below.

Wbranch

York & Starlight PA

Posts: 2635

Wbranch on Jul 11, 2008July 11th, 2008, 10:04 pm EDT

Catskill fly fisher for fifty-five years.

Flybyknight
Milton, DE

Posts: 82

Flybyknight on Jul 11, 2008July 11th, 2008, 10:18 pm EDT

Hi Matt,
Nice shot!
Tell me, if you had a travel trailer and wished to
park it permanently some place in Montana,
where would you put it?
Thanks in advance,
Dick

Lightly on the dimpling eddy fling;
the hypocritic fly's unruffled wing.
Thomas Scott

Wbranch

York & Starlight PA

Posts: 2635

Wbranch on Jul 12, 2008July 12th, 2008, 2:22 am EDT

Check your PM's.

Catskill fly fisher for fifty-five years.