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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Male Baetidae (Blue-Winged Olive) Mayfly Dun Male Baetidae (Blue-Winged Olive) Mayfly Dun

Lateral view of a Male Baetidae (Blue-Winged Olive) Mayfly Dun from Mystery Creek #308 in Washington

This dun emerged from a mature nymph on my desk. Unfortunately its wings didn't perfectly dry out.

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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.

Amiocentrus aspilus (Little Western Weedy Water Sedge) Caddisfly Adult Pictures

Lateral view of a Amiocentrus aspilus (Brachycentridae) (Little Western Weedy Water Sedge) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho

Dorsal view of a Amiocentrus aspilus (Brachycentridae) (Little Western Weedy Water Sedge) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho

Ventral view of a Amiocentrus aspilus (Brachycentridae) (Little Western Weedy Water Sedge) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho

Each ruler mark is 1/16 inch.

Ruler view of a Amiocentrus aspilus (Brachycentridae) (Little Western Weedy Water Sedge) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho The smallest ruler marks are 1/16".

This caddisfly was collected from the Henry's Fork of the Snake River in Idaho on August 11th, 2018 and added to Troutnut.com by Troutnut on June 12th, 2019.

Discussions of this Adult

Amiocentraus aspilus male

Posted by Creno on Jun 14, 2019

Last reply on Jun 14, 2019 by Creno

a great fishing hatch

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