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Acroneuria abnormis (Golden Stone) Stonefly Nymph Pictures

This stonefly was collected from Fall Creek on March 29th, 2005 and added to on April 6th, 2006.

Recent Discussions of this Nymph

Probably Acroneuria lycorias 1 Reply »
Posted by GONZO on Oct 10, 2006
Last reply on Oct 28, 2008 by GONZO
I've been staring at this one for quite some time. My first impression was lycorias (Boreal Stone, Giant Brown Stonefly). I'm pretty familiar with this species, but I don't know of a good key to Acroneuria at the species level.

The lack of a row of spinules along the occiput of the head and presence of postocular and pronotal fringes all say Acroneuria for sure.

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