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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.

The Firehole River in Wyoming

Stream photos

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Dorsal view of a Doroneuria baumanni (Perlidae) (Golden Stone) Stonefly Nymph from Sears Creek in Washington
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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.
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Male Tricorythodes (Trico) Mayfly Spinner Pictures

Ventral view of a Male Tricorythodes (Leptohyphidae) (Trico) Mayfly Spinner from the Henry's Fork of the Snake River in Idaho
Lateral view of a Male Tricorythodes (Leptohyphidae) (Trico) Mayfly Spinner from the Henry's Fork of the Snake River in Idaho
Every ruler mark is 1/16 inch. Ruler view of a Male Tricorythodes (Leptohyphidae) (Trico) Mayfly Spinner from the Henry's Fork of the Snake River in Idaho The smallest ruler marks are 1/16".

This mayfly 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.


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Male Tricorythodes (Trico) Mayfly Spinner Pictures

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Ephemeroptera (Mayflies)
  5. » Family Leptohyphidae (Tricos)
  6. » Genus Tricorythodes (Tricos)
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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