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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 Epeorus albertae (Heptageniidae) (Pink Lady) Mayfly Nymph from the East Fork Issaquah Creek in Washington
This specimen keys to the Epeorus albertae group of species. Of the five species in that group, the two known in Washington state are Epeorus albertae and Epeorus dulciana. Of the two, albertae has been collected in vastly more locations in Washington than dulciana, suggesting it is far more common. On that basis alone I'm tentatively putting this nymph in albertae, with the large caveat that there's no real information to rule out dulciana.
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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Mayfly Genus Brachycercus (Angler's Curses)

These mayflies usually live in water too warm for trout (even moreso than Caenis) but a few trout streams have populations.

Where & when

Preferred waters: Lakes and slow, warm rivers

Genus Range

Hatching behavior

Time of day : Morning

Nymph biology

Current speed: Slow

Substrate: Silt

Environmental tolerance: Prefer warm water


Start a Discussion of Brachycercus

References

Mayfly Genus Brachycercus (Angler's Curses)

Taxonomy
Species in Brachycercus
Brachycercus nitidus
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Species in Brachycercus: Brachycercus nitidus
3 species (Brachycercus berneri, Brachycercus harrisellus, and Brachycercus ojibwe) aren't included.
Genus Range
Common Name
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