Mormidea lugens.
 
 
 
Size: approx. 5 mm. Photo: 06/14/14, 4 pm.


A small but rather pretty stink bug. This species can be recognized by its shiny black/brown color and the yellow/white boundary around the scutellum. I found this one on the exterior wall of our house. Its preferred habitat seems to be grasses. 
 

 
bug guide (this photo):
http://bugguide.net/node/view/938045