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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 Species Lepidostoma togatum (Little Brown Sedges)

Where & when

Time of year : August and September

Lepidostoma togatum is the most common species of the genus in the East and Midwest.

In 104 records from GBIF, adults of this species have mostly been collected during June (27%), July (25%), August (20%), and May (16%).

In 34 records from GBIF, this species has been collected at elevations ranging from 7 to 2625 ft, with an average (median) of 699 ft.

Species Range

Hatching behavior

Time of day : Evening

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Caddisfly Species Lepidostoma togatum (Little Brown Sedges)

Species Range
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