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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.
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Stonefly Species Clioperla clio (Clio Stripetail)

Where & when

In 56 records from GBIF, adults of this species have mostly been collected during April (39%), March (21%), May (21%), February (9%), and June (7%).

In 4 records from GBIF, this species has been collected at elevations of 480, 2690, 2723, and 2756 ft.

Species Range

Specimens of the Stonefly Species Clioperla clio

1 Female Adult

Start a Discussion of Clioperla clio

Stonefly Species Clioperla clio (Clio Stripetail)

Species Range
Common Name
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