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.

Stream photos

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Kogotus Stonefly Nymph Kogotus Stonefly Nymph

Dorsal view of a Kogotus (Perlodidae) Stonefly Nymph from Mystery Creek #199 in Washington

This one pretty clearly keys to Kogotus, but it also looks fairly different from specimens I caught in the same creek about a month later in the year. With only one species of the genus known in Washington, I'm not sure about the answer to this ID.

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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 cascadense (Little Brown Sedges)

Where & when

Time of year : July and August

Preferred waters: Small streams

This widespread Western species is most common near the Pacific coast.

In 35 records from GBIF, adults of this species have mostly been collected during July (54%), August (26%), and June (17%).

In 24 records from GBIF, this species has been collected at elevations ranging from 4236 to 10007 ft, with an average (median) of 8478 ft.

Species Range

source

Map of specific collection sites

Larva & pupa biology

Shelter type: Round, made of sand grains

Start a Discussion of Lepidostoma cascadense

References

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