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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.

Dorsal view of a Neoleptophlebia (Leptophlebiidae) Mayfly Nymph from the Yakima River in Washington
Some characteristics from the microscope images for the tentative species id: The postero-lateral projections are found only on segment 9, not segment 8. Based on the key in Jacobus et al. (2014), it appears to key to Neoleptophlebia adoptiva or Neoleptophlebia heteronea, same as this specimen with pretty different abdominal markings. However, distinguishing between those calls for comparing the lengths of the second and third segment of the labial palp, and this one (like the other one) only seems to have two segments. So I'm stuck on them both. It's likely that the fact that they're immature nymphs stymies identification in some important way.
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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Posts: 287
Feathers5 on Oct 30, 2013October 30th, 2013, 4:52 am EDT
I promise I'll never ask a another serious question.

Really, Bruce? Never is an awfully long time

I said that tongue-in-cheek. I always have questions.
Taxon's profile picture
Site Editor
Plano, TX

Posts: 1311
Taxon on Oct 30, 2013October 30th, 2013, 8:34 am EDT
Yes, Bruce, as did I, as did I.
Best regards,
Roger Rohrbeck
Oldredbarn's profile picture
Novi, MI

Posts: 2600
Oldredbarn on Oct 30, 2013October 30th, 2013, 2:34 pm EDT
Nice Tony! That's just what the "doctor" ordered, for Brucie! :)

In terms of barbs...did you mean that literally or as a tongue-in-cheek "barb"? :) I have a zillion old hooks and I'm a cheap-o...I still carry an old set of debarbing pliers with me and smash them down on the stream. I forget sometimes that I do occasionally have barbless hooks or that I have already squeesed it down to get a bead head on there. Old habits die hard.
"Even when my best efforts fail it's a satisfying challenge, and that, after all, is the essence of fly fishing." -Chauncy Lively

"Envy not the man who lives beside the river, but the man the river flows through." Joseph T Heywood

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