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.

Stream photos

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Female Sweltsa borealis (Boreal Sallfly) Stonefly Adult Female Sweltsa borealis (Boreal Sallfly) Stonefly Adult

Lateral view of a Female Sweltsa borealis (Chloroperlidae) (Boreal Sallfly) Stonefly Adult from Harris Creek in Washington

I was not fishing, but happened to be at an unrelated social event on a hill above this tiny creek (which I never even saw) when this stonefly flew by me. I assume it came from there. Some key characteristics are tricky to follow, but process of elimination ultimately led me to Sweltsa borealis. It is reassuringly similar to this specimen posted by Bob Newell years ago. It is also so strikingly similar to this nymph from the same river system that I'm comfortable identifying that nymph from this adult. I was especially pleased with the closeup photo of four mites parasitizing this one.

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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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Identification: Hydropsyche

Female Hydropsyche (Spotted Sedge) Caddisfly Adult

4 Pictures

Lateral view of a Female Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Adult from unknown in Wisconsin

Collected May 15, 2004 from unknown in Wisconsin

Added by Troutnut on January 25, 2006

Collected May 15, 2004 from unknown in Wisconsin and added by Troutnut on January 25, 2006

Litobrancha
Knoxville TN

Posts: 51

Litobrancha on Sep 23, 2006September 23rd, 2006, 10:46 am EDT

looks like a hydropsyche female.

[edited by Troutnut: added title]

GONZO
Site Editor
"Bear Swamp," PA

Posts: 1681

GONZO on Sep 23, 2006September 23rd, 2006, 12:39 pm EDT

Similar question on this one, Lito. I think I get the female identification here (I can see the ventral view), but what is the reason for Hydropsyche as opposed to Ceratopsyche? (Or were you simply using the older generic epithet to include both?) Thanks, again.