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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.

Lateral view of a Psychodidae True Fly Larva from Mystery Creek #308 in Washington
This wild-looking little thing completely puzzled me. At first I was thinking beetle or month larva, until I got a look at the pictures on the computer screen. I made a couple of incorrect guesses before entomologist Greg Courtney pointed me in the right direction with Psychodidae. He suggested a possible genus of Thornburghiella, but could not rule out some other members of the tribe Pericomini.
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.

Rhyacophila fuscula (Green Sedge) Caddisfly Larva Pictures

I collected this larva and several like it from the same stream and on the same day as this pupa. I suspect they're the same species.

Rhyacophila fuscula (Rhyacophilidae) (Green Sedge) Caddisfly Larva from the Long Lake Branch of the White River in Wisconsin
Lateral view of a Rhyacophila fuscula (Rhyacophilidae) (Green Sedge) Caddisfly Larva from the Long Lake Branch of the White River in Wisconsin
Dorsal view of a Rhyacophila fuscula (Rhyacophilidae) (Green Sedge) Caddisfly Larva from the Long Lake Branch of the White River in Wisconsin
Ventral view of a Rhyacophila fuscula (Rhyacophilidae) (Green Sedge) Caddisfly Larva from the Long Lake Branch of the White River in Wisconsin
Rhyacophila fuscula (Rhyacophilidae) (Green Sedge) Caddisfly Larva from the Long Lake Branch of the White River in Wisconsin
Rhyacophila fuscula (Rhyacophilidae) (Green Sedge) Caddisfly Larva from the Long Lake Branch of the White River in Wisconsin
Rhyacophila fuscula (Rhyacophilidae) (Green Sedge) Caddisfly Larva from the Long Lake Branch of the White River in Wisconsin
Rhyacophila fuscula (Rhyacophilidae) (Green Sedge) Caddisfly Larva from the Long Lake Branch of the White River in Wisconsin
Rhyacophila fuscula (Rhyacophilidae) (Green Sedge) Caddisfly Larva from the Long Lake Branch of the White River in Wisconsin
Rhyacophila fuscula (Rhyacophilidae) (Green Sedge) Caddisfly Larva from the Long Lake Branch of the White River in Wisconsin
Rhyacophila fuscula (Rhyacophilidae) (Green Sedge) Caddisfly Larva from the Long Lake Branch of the White River in Wisconsin

This caddisfly was collected from the Long Lake Branch of the White River in Wisconsin on June 5th, 2005 and added to Troutnut.com by Troutnut on May 25th, 2006.

Discussions of this Larva

Identification
4 replies
Posted by Litobrancha on Sep 5, 2006
Last reply on Jul 30, 2019 by Troutnut
Looks like Rhyacophila fuscula. Wonderful bug.

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Rhyacophila fuscula (Green Sedge) Caddisfly Larva Pictures

Collection details
Location: Long Lake Branch of the White River, Wisconsin
Date: June 5th, 2005
Added to site: May 25th, 2006
Author: Troutnut
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