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Knobbed Salmonflies

Scientific Name
MatchScientific Name
****Pteronarcys biloba

This common name refers to only one species.

Stonefly Species Pteronarcys biloba

These are pretty much always called Knobbed Salmonflies.
Pteronarcys biloba (Knobbed Salmonfly) Stonefly NymphPteronarcys biloba (Knobbed Salmonfly) Stonefly Nymph View 17 Pictures
Collected May 6, 2007 from in
Added to by on May 10, 2007
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