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Olive Springflies

Scientific Name
MatchScientific Name
****Isogenoides olivaceus

This common name refers to only one species.

Stonefly Species Isogenoides olivaceus

These are pretty much always called Olive Springflies.
This is a common olive brown species according to Swisher and Richards in Selective Trout. The Stoneflies of the United States page leaves me somewhat skeptical of the identification, however.
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