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The Specimen

Baetidae (Blue-Winged Olives) Mayfly SpinnerBaetidae (Blue-Winged Olives) Mayfly Spinner View 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.
Collected August 9, 2006 from the West Branch of Owego Creek in New York
Added to Troutnut.com by on August 11, 2006

The Discussion

TaxonAugust 11th, 2006, 11:58 pm
Site Editor
Plano, TX

Posts: 1291
Jason-

The single detached intercalaries in the fore wing would limit the choices to the genera you suggest. The sharply pointed costal projection and single longitudinal vein in the hind wing probably narrow it to a single species. Unfortunately, none of the Baetidae hind wing illustrations to which I have access show either that sharply pointed of a projection or the single longitudinal vein, let alone in combination with one another.
Roger Rohrbeck
www.FlyfishingEntomology.com

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