Entomology (Study of Bugs)/Mystery Nymph

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Question
Hello Walter,

I concur that the flat nymph sure looks like a member of Heptageniidae. The other nymph has three tails and abdominal gills plus the brushy forelegs of Isonychia bicolor, I believe.

Thanks for your note.

Chris

Answer
It certainly looks like Isonychia from the photos I have seen. You have the advantage of close inspection so I would accept your conclusion.
I did graduate work on Put in Bay  in Lake Erie at Stone Institute of Hydrobiology (a branch of The Ohio State Univ) where Mayflies are almost part of the Island culture

Entomology (Study of Bugs)

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Walter Hintz

Expertise

I can answer any questions about insects and spiders.

Experience

I have taught science for over 57 years. I am presently teaching biology at the college level. I have done extensive graduate work in entomology.

Publications
Momentum Magazine The Ohio Journal of Science

Education/Credentials
B.S. In Ed Kent State Unuv M.Sc The Ohio State Univ National Science Foundation Fellowships: Electron Microscopy Univ of California Entomology Kent State Univ

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