Header image
Enter a name
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.

Artistic view of a Perlodidae (Springflies and Yellow Stones) Stonefly Nymph from the Yakima River in Washington
This one seems to lead to Couplet 35 of the Key to Genera of Perlodidae Nymphs and the genus Isoperla, but I'm skeptical that's correct based on the general look. I need to get it under the microscope to review several choices in the key, and it'll probably end up a different Perlodidae.
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 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


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

Caddisfly Species Psychoglypha subborealis (Snow Sedges)

Species Range
Troutnut.com is copyright © 2004-2024 (email Jason). privacy policy