Nemoria sp..
 
 
 
Photo: 07/12/15, 10 pm.


Nemus is the Latin word for pasture or grove and the source of this moth's name. The genus Nemoria has over 30 species of which some show seasonal polyphenism giving rise to populations of brown or green moths. 
 
 
bug guide (this photo):
http://bugguide.net/node/view/1100820
Explanation of Seasonal Polyphenism:
http://moths.friendscentral.org/polyphenism1.htm