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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.

Slough Creek in Wyoming

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Coleoptera (Beetle) Insect Larva Coleoptera (Beetle) Insect Larva

Lateral view of a Coleoptera (Beetle) Insect Larva 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.

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 Isonychia (Slate Drake) Mayfly Spinner Pictures

Lateral view of a Female Isonychia (Isonychiidae) (Slate Drake) Mayfly Spinner from the Teal River in Wisconsin

Female Isonychia (Isonychiidae) (Slate Drake) Mayfly Spinner from the Teal River in Wisconsin

Female Isonychia (Isonychiidae) (Slate Drake) Mayfly Spinner from the Teal River in Wisconsin

Artistic view of a Female Isonychia (Isonychiidae) (Slate Drake) Mayfly Spinner from the Teal River in Wisconsin

Dorsal view of a Female Isonychia (Isonychiidae) (Slate Drake) Mayfly Spinner from the Teal River in Wisconsin

Ventral view of a Female Isonychia (Isonychiidae) (Slate Drake) Mayfly Spinner from the Teal River in Wisconsin

Female Isonychia (Isonychiidae) (Slate Drake) Mayfly Spinner from the Teal River in Wisconsin

Ruler view of a Female Isonychia (Isonychiidae) (Slate Drake) Mayfly Spinner from the Teal River in Wisconsin The smallest ruler marks are 1 mm.

Female Isonychia (Isonychiidae) (Slate Drake) Mayfly Spinner from the Teal River in Wisconsin

Female Isonychia (Isonychiidae) (Slate Drake) Mayfly Spinner from the Teal River in Wisconsin

Female Isonychia (Isonychiidae) (Slate Drake) Mayfly Spinner from the Teal River in Wisconsin

This mayfly was collected from the Teal River in Wisconsin on June 14th, 2021 and added to Troutnut.com by Troutnut on June 21st, 2021.

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Female Isonychia (Slate Drake) Mayfly Spinner Pictures

Taxonomy

Collection details

Location: Teal River, Wisconsin
Date: June 14th, 2021
Added to site: June 21st, 2021
Author: Troutnut

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