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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.

Sixmile Creek in New York

Stream photos

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Hydropsyche (Spotted Sedge) Caddisfly LarvaHydropsyche (Spotted Sedge) Caddisfly Larva
Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington
With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.
9 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.

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
Reply

Start a Discussion of Adult

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

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Trichoptera (Caddisflies)
  5. » Family Brachycentridae (Apple Caddis and Grannoms)
  6. » Genus Amiocentrus (Little Western Weedy Water Sedges)
  7. » Species aspilus (Little Western Weedy Water Sedges)
Collection details
Location: Henry's Fork of the Snake River, Idaho
Date: August 11th, 2018
Added to site: June 12th, 2019
Author: Troutnut
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