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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.

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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Sweltsa (Sallfly) Stonefly Nymph Pictures

Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Icicle River in Washington
Ventral view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Icicle River in Washington
Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Icicle River in Washington
This image is heavily enhanced in false color to show the setae on the tails.

Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Icicle River in Washington
Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Icicle River in Washington
Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Icicle River in Washington
Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Icicle River in Washington
Ruler view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Icicle River in Washington The smallest ruler marks are 1 mm.

This stonefly was collected from the Icicle River in Washington on June 3rd, 2022 and added to Troutnut.com by Troutnut on June 4th, 2022.


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Sweltsa (Sallfly) Stonefly Nymph Pictures

Collection details
Location: Icicle River, Washington
Date: June 3rd, 2022
Added to site: June 4th, 2022
Author: Troutnut
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