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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.

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.
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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Limnephilidae (Giant Sedges) Caddisfly Larva Pictures

This caddisfly was collected from unknown in Wisconsin on February 5th, 2004 and added to Troutnut.com by Troutnut on January 25th, 2006.

Discussions of this Larva

Identification: not Limnephilus
Posted by Litobrancha on Sep 23, 2006
Last reply on Sep 23, 2006 by Litobrancha
limnephilus has branched gills. this could be (without seeing case) phanocelia, clostoeca, ecclisocosmoecus or pseudostenophylax.

[edited by Troutnut: added title]

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Limnephilidae (Giant Sedges) Caddisfly Larva Pictures

Collection details
Location: unknown, Wisconsin
Date: February 5th, 2004
Added to site: January 25th, 2006
Author: Troutnut
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