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.

Neversink Gorge (Wolf Brook) in New York

Stream photos

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Kogotus Stonefly Nymph Kogotus Stonefly Nymph

Dorsal view of a Kogotus (Perlodidae) Stonefly Nymph from Mystery Creek #199 in Washington

This one pretty clearly keys to Kogotus, but it also looks fairly different from specimens I caught in the same creek about a month later in the year. With only one species of the genus known in Washington, I'm not sure about the answer to this ID.

8 Recently Added Photos

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.

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Chimarra (Little Black Sedge) Caddisfly Larva Pictures

This caddisfly was collected from unknown in Wisconsin on March 1st, 2004 and added to Troutnut.com by Troutnut on January 25th, 2006.

Discussions of this Larva

Identification: Chimarra

Posted by Litobrancha on Sep 23, 2006

Last reply on Sep 23, 2006 by Litobrancha

This is a chimarra larvae. note the asymmetrical notch in the frontoclypeus (near the mandibles). the beautiful yellow color goes away in alcohol!

[edited by Troutnut: added title]

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