Compare with the similarly patterned Schinia trifascia - Three-lined Flower Moth. Even more similar is Heliothis subflexa - Subflexus Straw Moth - see the bugguide page for ID tips.

Umstead State Park, Wake Co., NC 7/24/13

Durham Co., NC 8/15/10

Croatan National Forest, Craven Co., NC 8/26/12

Durham Co., NC 8/29/10

Durham, NC 9/1/08

Columbus Co., NC 9/28/2013