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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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Konchu's profile picture
Site Editor

Posts: 498
Konchu on Nov 28, 2012November 28th, 2012, 4:10 am EST
Jason can boot this if he wants, because it's kind of an advertisement, but I thought a few of the die-hard bug aficionados might be interested. I'm planning to give a workshop on western (north of Mexico) and far northern North American mayfly nymphs. It will be January 3-5, in Long Beach, California, USA. There is a price tag for participation (that I did not set). See the following link for more details, or send me a PM. This will be a fairly advanced and intensive event. I'll cover most topics at the species-level. Notably, a bunch of new regional and comprehensive identification keys will be debuted. This includes the first keys for several genera, greatly revised keys for others and the first discussions of some undescribed nymphs. Emphasis will be placed on the families Baetidae, Heptageniidae, Ephemerellidae, Leptophlebiidae and Leptohyphidae. Other contributors include Nick Wiersema (wrote keys) and Jeff Webb (wrote keys and will attend). Please feel free to share this information elsewhere, but please send me a PM first.

Entoman's profile picture
Northern CA & ID

Posts: 2604
Entoman on Nov 28, 2012November 28th, 2012, 9:20 am EST
Ooh.... PM sent.

BTW - I think this kind of "advertisement" is fully Troutnut approved.:)
"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman

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