Grapeleaf Skeletonizer Moth
Nice shot...but, this might actually be a Yellow-collared Scape Moth, cisseps fulvicollis. Here is link for you to check out: http://bugguide.net/node/view/447
There are some photos there to compare.
and for compsarsion here is a link to Grapeleaf Skeletonizer Moth, scroll down and it talks about how to separate the two:
I have a few shots of Cisseps fulvicollis on my site, you can check them out too.
Good luck. Great shots is this gallery BTW.