Heptagenia?

The Specimen

Collected June 9, 2005 from the Bois Brule River in Wisconsin
Added to Troutnut.com by on May 26, 2006

GONZO	July 19th, 2011, 8:10 am
Site Editor "Bear Swamp," PA Posts: 1681	This looks more like a Leucrocuta nymph to me (possibly L. hebe?).

Troutnut	July 19th, 2011, 1:37 pm
Administrator Bellevue, WA Posts: 2737	Thanks, you're right on the genus for sure. There's no fibrilliform portion on gill 7, and the tails only have spines at the segments. I'd guess you're right on the species too but I don't know.
	Jason Neuswanger, Ph.D. Troutnut and salmonid ecologist

GONZO	July 19th, 2011, 8:24 pm
Site Editor "Bear Swamp," PA Posts: 1681	It's difficult to be certain of the species, Jason. If reliable keys to the nymphs exist, I haven't seen them, and McCafferty (2004) says that some of the species are "questionably valid."

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