Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York

Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

Neversink Gorge (Wolf Brook) in New York

Stream photos

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Limnephilidae (Giant Sedges) Caddisfly Larva Limnephilidae (Giant Sedges) Caddisfly Larva

Dorsal view of a Limnephilidae (Giant Sedges) Caddisfly Larva from the Yakima River in Washington

This specimen resembled several others of around the same size and perhaps the same species, which were pretty common in my February sample from the upper Yakima. Unfortunately, I misplaced the specimen before I could get it under a microscope for a definitive ID.

10 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.

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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