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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
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.

Caddisfly Genus Goera (Little Gray Sedges)

Where & when

In 99 records from GBIF, adults of this genus have mostly been collected during June (40%), May (29%), July (22%), and August (5%).

In 56 records from GBIF, this genus has been collected at elevations ranging from 3 to 5167 ft, with an average (median) of 1749 ft.

Genus Range

Hatching behavior

Larva & pupa biology

Diet: Algae and detritus

Current speed: Fast

Substrate: Rocky

Environmental tolerance: Prefers cold streams

Shelter type: Strong stone case with unusually large stones for added stability in the fast water

Start a Discussion of Goera


Caddisfly Genus Goera (Little Gray Sedges)

Species in Goera: Goera calcarata, Goera stylata
4 species (Goera archaon, Goera fuscula, Goera radissonica, and Goera townesi) aren't included.
Genus Range
Common Name
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