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Stonefly Species Isogenoides olivaceus (Olive Springfly)

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.  

Where & When


Regions: East, Midwest

Time Of Year (?): May through June


Egg-Laying Behavior


Time Of Day: Midday


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