Looks like Leucrocuta

The Specimen

View 9 PicturesI found this dun on the same piece of stream as a similar spinner, probably of the same species.

Collected September 19, 2006 from Mystery Creek #43 in New York
Added to Troutnut.com by on October 4, 2006

GONZO	October 6th, 2006, 10:39 am
Site Editor "Bear Swamp," PA Posts: 1681	Haven't checked any keys to verify, but most of the little late-season Cahill-looking duns are Leucrocuta. If I had to guess at the species, I'd say hebe (Little Yellow Quill). It is probably the most common L. spp. in the East and has a long hatching period that extends well into the fall. I would also agree that the spinner you photographed is the same species.

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