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> > Probably Pteronarcys biloba

The Specimen

Pteronarcys proteus (Salmonfly) Stonefly NymphPteronarcys proteus (Salmonfly) Stonefly Nymph View 10 Pictures
Collected April 19, 2006 from Mongaup Creek in New York
Added to Troutnut.com by on April 21, 2006

The Discussion

Post Reply
GONZOOctober 4th, 2006, 3:12 pm
Site Editor
"Bear Swamp," PA

Posts: 1636		Everything seems consistent with P. biloba, the "Knobbed Salmonfly." Unlike dorsata, it is usually found in small streams and headwaters where it is a real mouthful for the little trout. Typical salmonfly nymph ties tend to be likewise, so I usually choose to imitate the younger, smaller generations of nymphs.
TroutnutOctober 4th, 2006, 3:58 pm
The Admin
Fairbanks, AK

Posts: 2020		Thanks. I've added a page for P. biloba with that information and changed the specimen's ID accordingly.

What's your source for the information? I still need to find a good source on stoneflies. I haven't tried hard yet since I've been focusing on mayflies, but it would be good to know where to start.
Jason Neuswanger
The Troutnut
GONZOOctober 4th, 2006, 5:02 pm
Site Editor
"Bear Swamp," PA

Posts: 1636		Unfortunately, I'm not aware of a really good, up-to-date angler's book on stoneflies. The species I've identified today are ones I know well from personal experience.

I like Stoneflies for the Angler by Leiser and Boyle (Knopf, 1982 and Stackpole paperback reprint, 1990). It was accurate and well-researched for its day and is a good general angler's reference; but it lacks any systematic keys. There's also an Arbona stonefly book that I haven't seen or read.

And to answer your question from the other thread, I haven't come across a recent species level description of Epeorus that would be of any help.

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