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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.

Two major forks of this grayling stream come together in this pretty pool. From the Chena River in Alaska

Stream photos

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Isoperla (Stripetails and Yellow Stones) Stonefly AdultIsoperla (Stripetails and Yellow Stones) Stonefly Adult
Dorsal view of a Isoperla (Perlodidae) (Stripetails and Yellow Stones) Stonefly Adult from Mystery Creek #308 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.
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.

Female Epeorus vitreus (Sulphur) Mayfly Spinner Pictures

Lateral view of a Female Epeorus vitreus (Heptageniidae) (Sulphur) Mayfly Spinner from the Namekagon River in Wisconsin
Artistic view of a Female Epeorus vitreus (Heptageniidae) (Sulphur) Mayfly Spinner from the Namekagon River in Wisconsin
Female Epeorus vitreus (Heptageniidae) (Sulphur) Mayfly Spinner from the Namekagon River in Wisconsin
Female Epeorus vitreus (Heptageniidae) (Sulphur) Mayfly Spinner from the Namekagon River in Wisconsin
Female Epeorus vitreus (Heptageniidae) (Sulphur) Mayfly Spinner from the Namekagon River in Wisconsin
Dorsal view of a Female Epeorus vitreus (Heptageniidae) (Sulphur) Mayfly Spinner from the Namekagon River in Wisconsin
Ventral view of a Female Epeorus vitreus (Heptageniidae) (Sulphur) Mayfly Spinner from the Namekagon River in Wisconsin
Female Epeorus vitreus (Heptageniidae) (Sulphur) Mayfly Spinner from the Namekagon River in Wisconsin

This mayfly was collected from the Namekagon River in Wisconsin on June 2nd, 2005 and added to Troutnut.com by Troutnut on May 24th, 2006.

Discussions of this Spinner

Another vitreus
Posted by GONZO on Oct 28, 2008
Last reply on Oct 28, 2008 by GONZO
A dark female. The only dark (or clouded) cross vein is the humeral vein near the base of the wing.
Reply

Start a Discussion of Spinner

Female Epeorus vitreus (Sulphur) Mayfly Spinner Pictures

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Ephemeroptera (Mayflies)
  5. » Family Heptageniidae (March Browns, Cahills, Quill Gordons)
  6. » Genus Epeorus (Little Maryatts)
  7. » Species vitreus (Sulphurs)
Collection details
Location: Namekagon River, Wisconsin
Date: June 2nd, 2005
Added to site: May 24th, 2006
Author: Troutnut
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