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.

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Sweltsa (Sallfly) Stonefly Nymph Sweltsa (Sallfly) Stonefly Nymph

Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington

This species was fairly abundant in a February sample of the upper Yakima.

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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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Polymitarcyidae Question

Steamntrout
Posts: 3

Steamntrout on Jun 22, 2017June 22nd, 2017, 8:32 am EDT

What size are these nymphs & Sub Imago's?

Crepuscular

Boiling Springs, PA

Posts: 920

Crepuscular on Jun 22, 2017June 22nd, 2017, 11:20 pm EDT

What size are these nymphs & Sub Imago's?

"Standard" hook sizes 14 for the subs. Nymphs the same 1xl. Around here on the larger waters major rivers, they are 14-12. I'll see if I can dig up a photo.

I found a couple from the yellow breeches. size in mm