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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.

Artistic view of a Perlodidae (Springflies and Yellow Stones) Stonefly Nymph from the Yakima River in Washington
This one seems to lead to Couplet 35 of the Key to Genera of Perlodidae Nymphs and the genus Isoperla, but I'm skeptical that's correct based on the general look. I need to get it under the microscope to review several choices in the key, and it'll probably end up a different Perlodidae.
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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Feathers5
Posts: 287
Feathers5 on Aug 20, 2014August 20th, 2014, 7:35 am EDT
Can someone direct me to some links to the Fall BWOs that hatch in the East? Usually, we see them from September to November and they are very small, size 18 to 24 or maybe even 26s. I've looked and I can't figure it out.
Thanks for your help,
Bruce
Baetis7
MI

Posts: 17
Baetis7 on Aug 20, 2014August 20th, 2014, 9:19 am EDT
Try the hatch chart at Trailstotrout.com I believe they mention the Genus and species and sizes. As far as pics and patterns you may want to try Dick Pobst's Trout Stream Insect book which is a great pocket guide book for Eastern insect hatches. Best of action out there!
Entoman
Entoman's profile picture
Northern CA & ID

Posts: 2604
Entoman on Aug 20, 2014August 20th, 2014, 11:08 am EDT
Hey Bruce,

Check out the commentaries in the encyclopedia. I believe them to be the most concise explanations on the web (for anglers) as to where we stand currently with this most confusing family. Under the genus Baetis is a list of the names used in older angling texts that is a great help in making them relevant and easier to enterpret.

Bottom line though is that there is still no substitute for capturing your own specimens for matching both size and color. The same species can vary quite a bit in both characters depending on location. They all have pretty much the same behavior, so a good match should fish just as well (or bad) whether you're right about the species or not.
"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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