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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.

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.
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.
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Caddisfly Species Rhyacophila mainensis (Green Sedges)

Where & when

In 11 records from GBIF, adults of this species have been collected during June (55%), May (18%), January (9%), February (9%), and July (9%).

Species Range

Specimens of the Caddisfly Species Rhyacophila mainensis

1 Larva

Start a Discussion of Rhyacophila mainensis

References

Caddisfly Species Rhyacophila mainensis (Green Sedges)

Taxonomy
Species Range
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