Mecaphesa sp. (Crab Spider).
 
 
 
Size: approx. 8-10 mm. Photo: 09/08/11, 5 pm.


 This crab spider is Mecaphesa sp. Mecaphesa has 18 North American species and is often (always?) hairy.  
 
 
bug guide (this photo):
http://bugguide.net/node/view/573845