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.

Stream photos

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Sweltsa (Sallfly) Stonefly Nymph Sweltsa (Sallfly) Stonefly Nymph

Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington

This species was fairly abundant in a February sample of the upper Yakima.

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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.

Calopteryx Damselfly Nymph Pictures

Calopteryx (Calopterygidae) Damselfly Nymph from Fall Creek in New York

Dorsal view of a Calopteryx (Calopterygidae) Damselfly Nymph from Fall Creek in New York

Ventral view of a Calopteryx (Calopterygidae) Damselfly Nymph from Fall Creek in New York

This damselfly was collected from Fall Creek in New York on March 29th, 2006 and added to Troutnut.com by Troutnut on April 6th, 2006.

Discussions of this Nymph

identification of insect

1 replies

Posted by Mohinder on Sep 4, 2010

Last reply on Sep 4, 2010 by Taxon

sir,
i am sending you a picture of aquatic insect. i am a ph.D scholar from University of Jammu, India. please hel me in identification of this very insect . i shall be very to for this very needy help

Genus Identification

2 replies

Posted by DMM on Nov 18, 2006

Last reply on Mar 27, 2007 by Troutnut

This is Calopteryx

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