My guess would be it's a thrashed 8203 Halysidota tessellaris, Banded Tussock.
Ken Childs
Henderson, TN
Chester County
http://tinyurl.com/Kens-Moths-2011
http://tinyurl.com/Night-Creatures
http://www.finishflagfarms.com
From: Bob Perkins <perkybear@xxxxxxxxxxxxxx>
To: ncsc-moths@xxxxxxxxxxxxx
Sent: Tuesday, September 13, 2011 8:50 AM
Subject: [ncsc-moths] Which caterpillar
Last night I found the caterpillar in the attached photo on the concrete under my moth sheet. After consulting Wagner's tome, I'm still confused. Which one is it?
Bob
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Bob Perkins
Woodlawn, Virginia
Historian and General Outdoorsman