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.

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 Lepidostoma griseum (Little Brown Sedges)

Where & when

Time of year : Late Summer and early Fall

Preferred waters: Small streams

In 29 records from GBIF, adults of this species have mostly been collected during August (52%), September (28%), and July (14%).

In 11 records from GBIF, this species has been collected at elevations ranging from 20 to 1909 ft, with an average (median) of 919 ft.

Species Range

Start a Discussion of Lepidostoma griseum


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

Caddisfly Species Lepidostoma griseum (Little Brown Sedges)

Species Range
Troutnut.com is copyright © 2004-2023 (email Jason). privacy policy