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Blue-winged Olives

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

Pteronarcys proteus (Salmonfly) Stonefly Nymph Pictures

This stonefly was collected from Mongaup Creek in New York on April 19th, 2006 and added to Troutnut.com by Troutnut on April 21st, 2006.

Discussions of this Nymph

Posted by GONZO on Oct 28, 2008
Last reply on Oct 28, 2008 by GONZO
Probably proteus--my bad.
Probably Pteronarcys biloba
2 replies
Posted by GONZO on Oct 4, 2006
Last reply on Oct 4, 2006 by GONZO
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.

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