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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.

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.

Rhithrogena impersonata (Dark Red Quill) Mayfly Nymph Pictures

This specimen shows one of two distinct color types of Rhithrogena impersonata nymphs. This type is very reddish, especially in the gills, perhaps a representative of the form formerly known as a separate speciesRhithrogena sanguinea.

Ruler view of a Rhithrogena impersonata (Heptageniidae) (Dark Red Quill) Mayfly Nymph from the Long Lake Branch of the White River in Wisconsin The smallest ruler marks are 1/32".
Rhithrogena impersonata (Heptageniidae) (Dark Red Quill) Mayfly Nymph from the Long Lake Branch of the White River in Wisconsin
Rhithrogena impersonata (Heptageniidae) (Dark Red Quill) Mayfly Nymph from the Long Lake Branch of the White River in Wisconsin
Dorsal view of a Rhithrogena impersonata (Heptageniidae) (Dark Red Quill) Mayfly Nymph from the Long Lake Branch of the White River in Wisconsin
Ventral view of a Rhithrogena impersonata (Heptageniidae) (Dark Red Quill) Mayfly Nymph from the Long Lake Branch of the White River in Wisconsin
Rhithrogena impersonata (Heptageniidae) (Dark Red Quill) Mayfly Nymph from the Long Lake Branch of the White River in Wisconsin
Rhithrogena impersonata (Heptageniidae) (Dark Red Quill) Mayfly Nymph from the Long Lake Branch of the White River in Wisconsin
Rhithrogena impersonata (Heptageniidae) (Dark Red Quill) Mayfly Nymph from the Long Lake Branch of the White River in Wisconsin

This mayfly was collected from the Long Lake Branch of the White River in Wisconsin on June 5th, 2005 and added to Troutnut.com by Troutnut on May 24th, 2006.


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Rhithrogena impersonata (Dark Red Quill) Mayfly Nymph Pictures

Collection details
Location: Long Lake Branch of the White River, Wisconsin
Date: June 5th, 2005
Added to site: May 24th, 2006
Author: Troutnut
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