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I know I have this ID laying around here somewhere. I'm going to favorite it and come back later.
Right now I have that listed as a species complex on Discover Life...since I can't tell the two apart:
Carales arizonensis--astur
http://pick18.pick.uga.edu/mp/20q?search...
I can get it down to the genus for you: Periclina
http://boldsystems.org/index.php/TaxBrow...
http://pick18.pick.uga.edu/mp/20q?search...
Unfortunately, I don't have any pictures on Discover Life of the adult butterfly.