Exelis pyrolaria - Hodges#6478 (Fine-lined Gray Moth).
 
 
 
Photo: 08/20/15, 9 pm.


This unusually gray moth is Exelis pyrolaria. The photo shows most likely a female. The wing span is approximately 2 cm. The second link is to a rather technical publication on this genus. 
 
 
bug guide (this photo):
http://bugguide.net/node/view/1125573
American Museum of Natural History:
http://digitallibrary.amnh.org/handle/2246/3940