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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.

Lateral view of a Clostoeca disjuncta (Limnephilidae) (Northern Caddisfly) Caddisfly Larva from the Yakima River in Washington
This one was surprisingly straightforward to identify. The lack of a sclerite at the base of the lateral hump narrows the field quite a bit, and the other options followed fairly obvious characteristics to Clostoeca, which only has one species, Clostoeca disjuncta.
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 Genus Cheumatopsyche (Little Sister Sedges)

To generalize broadly, Cheumatopsyche is found lower in the watershed than the similar genera Hydropsyche and Ceratopsyche. It is also smaller, but there is wide variation in size and color between the species. See the family Hydropsychidae page for life cycle details common to these genera.

The most important trout stream species are Cheumatopsyche campyla and Cheumatopsyche pettiti.

Where & when

In 1233 records from GBIF, adults of this genus have mostly been collected during June (28%), July (22%), May (17%), August (15%), April (7%), and September (7%).

In 444 records from GBIF, this genus has been collected at elevations ranging from 10 to 9186 ft, with an average (median) of 2690 ft.

Genus Range

Specimens of the Caddisfly Genus Cheumatopsyche

1 Male Adult
2 Female Adults
1 Adult
3 Pupae

Start a Discussion of Cheumatopsyche

References

Caddisfly Genus Cheumatopsyche (Little Sister Sedges)

Taxonomy
35 species (Cheumatopsyche analis, Cheumatopsyche aphanta, Cheumatopsyche arizonensis, Cheumatopsyche bibbensis, Cheumatopsyche burksi, Cheumatopsyche cahaba, Cheumatopsyche comis, Cheumatopsyche edista, Cheumatopsyche ela, Cheumatopsyche enonis, Cheumatopsyche flinti, Cheumatopsyche gelita, Cheumatopsyche geora, Cheumatopsyche gordonae, Cheumatopsyche gyra, Cheumatopsyche halima, Cheumatopsyche helma, Cheumatopsyche kinlockensis, Cheumatopsyche logani, Cheumatopsyche mickeli, Cheumatopsyche minuscula, Cheumatopsyche mollala, Cheumatopsyche morsei, Cheumatopsyche oxa, Cheumatopsyche parentum, Cheumatopsyche petersi, Cheumatopsyche pinaca, Cheumatopsyche pinula, Cheumatopsyche richardsoni, Cheumatopsyche rossi, Cheumatopsyche smithi, Cheumatopsyche vannotei, Cheumatopsyche virginica, Cheumatopsyche wabasha, and Cheumatopsyche wrighti) aren't included.
Genus Range
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