Pareuidella sp..
 
 
 
Photo: 08/26/14, 9 pm.


The genus Pareuidella comprises five species worldwide, which all can be found in North America. The second link states: "Species in this genus externally strongly resemble some North American members of Euides, and probably females of these genera can not be separated." 
 
 
bug guide (this photo):
http://bugguide.net/node/view/985585
U Delaware:
http://ag.udel.edu/research/delphacid/species/Pareuidella.htm