Diachus auratus (?) (Bronze Leaf Beetle).
 
 
 
Size: approx. 2 mm. Photo: 04/22/12, 1 pm.


The genus Diachus includes ten species in North America but has not been revised since LeConte studied it in 1880. This specimen possibly is a Bronze Leaf Beetle (Diachus auratus).  
 
 
bug guide (this photo):
http://bugguide.net/node/view/632439