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Troutnut Forum > Specimen Discussion > Anyone want to weigh on on the ID here?

The Specimen

Baetidae (Blue-Winged Olives) Mayfly SpinnerBaetidae (Blue-Winged Olives) Mayfly SpinnerView 12 PicturesThis species is probably in Centroptilum, Cloeon, or Procloeon. I captured this spinner on the same night as a dun which is probably of the same species.
Region: Northeast
Collected Aug 9, 2006
Added Aug 11, 2006

The Discussion

TroutnutAugust 11th, 2006, 9:01 pm
Fairbanks, AK

Posts: 1115
I can't follow the key in Merritt & Cummins very far since it's not a male spinner. The sharp costal process could be a good hint. Anybody know which genus or species this is?
Jason Neuswanger
The Troutnut
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