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.

Sunlight perfectly strikes the trees at a bend in the Foss River in the Washington Cascades.

From the Foss River in Washington

Stream photos

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Sweltsa (Sallfly) Stonefly Nymph Sweltsa (Sallfly) Stonefly Nymph

Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington

This species was fairly abundant in a February sample of the upper Yakima.

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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.

Caddisfly Species Hydroptila consimilis (Varicolored Microcaddisflies)

Where & when

Time of year : Early summer

In 87 records from GBIF, adults of this species have mostly been collected during July (30%), June (29%), August (16%), May (13%), and September (7%).

In 37 records from GBIF, this species has been collected at elevations ranging from 3 to 7054 ft, with an average (median) of 1096 ft.

Species Range

source

Map of specific collection sites

Larva & pupa biology

Environmental tolerance: Prefers clean forest streams

Start a Discussion of Hydroptila consimilis

References

LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.