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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

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 mainensis (Green Sedge) Caddisfly Larva Pictures

This is the first Rhyacophila larva I've seen with this striking black banded appearance. I caught several larvae of this species in a fast riffle in a mid-sized trout stream.

Ventral view of a Rhyacophila mainensis (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Fall Creek in New York
Ruler view of a Rhyacophila mainensis (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Fall Creek in New York The smallest ruler marks are 1 mm.
Rhyacophila mainensis (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Fall Creek in New York
Rhyacophila mainensis (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Fall Creek in New York
Lateral view of a Rhyacophila mainensis (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Fall Creek in New York
Dorsal view of a Rhyacophila mainensis (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Fall Creek in New York
Rhyacophila mainensis (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Fall Creek in New York
Rhyacophila mainensis (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Fall Creek in New York
Rhyacophila mainensis (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Fall Creek in New York
Rhyacophila mainensis (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Fall Creek in New York

This caddisfly was collected from Fall Creek in New York on March 30th, 2007 and added to Troutnut.com by Troutnut on April 2nd, 2007.

Discussions of this Larva

R. mainensis
1 replies
Posted by GONZO on Apr 3, 2007
Last reply on Jun 12, 2007 by Litobrancha
Pretty sure that the dark bands and the proleg configuration indicate mainensis.

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Rhyacophila mainensis (Green Sedge) Caddisfly Larva Pictures

Collection details
Location: Fall Creek, New York
Date: March 30th, 2007
Added to site: April 2nd, 2007
Author: Troutnut
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