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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.

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.
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.
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Caddisfly Species Psychoglypha subborealis (Snow Sedges)

Where & when

Time of year : Fall and winter

Preferred waters: Streams and stillwaters of all sizes

This species is extremely widespread, coast-to-coast and north to Alaska, and it is found in any type of water.

In 65 records from GBIF, adults of this species have mostly been collected during April (23%), May (23%), October (12%), March (9%), September (8%), June (8%), and December (6%).

In 32 records from GBIF, this species has been collected at elevations ranging from 156 to 11499 ft, with an average (median) of 6079 ft.

Species Range

Start a Discussion of Psychoglypha subborealis

References

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

Caddisfly Species Psychoglypha subborealis (Snow Sedges)

Taxonomy
Species Range
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