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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.

Mystery Creek # 256 in Idaho

Stream photos

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Male Baetidae (Blue-Winged Olive) Mayfly DunMale 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.
7 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.

Female Stenonema vicarium (March Brown) Mayfly Spinner Pictures

Dorsal view of a Female Stenonema vicarium (Heptageniidae) (March Brown) Mayfly Spinner from the Bois Brule River in Wisconsin
Lateral view of a Female Stenonema vicarium (Heptageniidae) (March Brown) Mayfly Spinner from the Bois Brule River in Wisconsin
Female Stenonema vicarium (Heptageniidae) (March Brown) Mayfly Spinner from the Bois Brule River in Wisconsin
Female Stenonema vicarium (Heptageniidae) (March Brown) Mayfly Spinner from the Bois Brule River in Wisconsin
Ventral view of a Female Stenonema vicarium (Heptageniidae) (March Brown) Mayfly Spinner from the Bois Brule River in Wisconsin
Female Stenonema vicarium (Heptageniidae) (March Brown) Mayfly Spinner from the Bois Brule River in Wisconsin

This mayfly was collected from the Bois Brule River in Wisconsin on June 1st, 2005 and added to Troutnut.com by Troutnut on May 24th, 2006.


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Female Stenonema vicarium (March Brown) 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 Stenonema (March Browns and Cahills)
  7. » Species vicarium (March Browns)
Collection details
Location: Bois Brule River, Wisconsin
Date: June 1st, 2005
Added to site: May 24th, 2006
Author: Troutnut
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