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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.

I caught a nice brookie a few weeks earlier in this pool at the junction of a split channel in the stream. The huge fallen tree is great cover. From the Mystery Creek # 23 in New York

Stream photos

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Sweltsa (Sallfly) Stonefly NymphSweltsa (Sallfly) Stonefly Nymph
Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington
This species was fairly abundant in a February sample of the upper Yakima.
10 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.

Male Limnephilus externus (Summer Flier Sedge) Caddisfly Adult Pictures

Lateral view of a Male Limnephilus externus (Limnephilidae) (Summer Flier Sedge) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho
Ventral view of a Male Limnephilus externus (Limnephilidae) (Summer Flier Sedge) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho
Male Limnephilus externus (Limnephilidae) (Summer Flier Sedge) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho
Male Limnephilus externus (Limnephilidae) (Summer Flier Sedge) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho
Each measurement mark is 1/16". Ruler view of a Male Limnephilus externus (Limnephilidae) (Summer Flier 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

Limnephilus externus
Posted by Creno on Jun 14, 2019
Last reply on Jun 14, 2019 by Creno
male
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Male Limnephilus externus (Summer Flier Sedge) Caddisfly Adult Pictures

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Trichoptera (Caddisflies)
  5. » Family Limnephilidae (Giant Sedges)
  6. » Genus Limnephilus (Summer Flier Sedges)
  7. » Species externus (Summer Flier 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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