SYNONYM. 



Cryptocephalus BiviTTATus. NoMs. Joum. 

 Acad, Nat. Sciences^ vol. iii. p. 440. 



DESCRIPTION. 



Body yellowish-rufous, punctured : orbits yel- 

 low : front with a longitudinal indented line : 

 thorax with dense impressed punctures ; lateral 

 margin and an ahbreviated obsolete dorsal line 

 originating at the anterior edge, more distinctly 

 yellow: scutel black: elytra irregularly and 

 densely punctured, one or two regular series of 

 punctures on the exterior margin ; colour yellow ; 

 each elytrum with a broad black vitta originat- 

 ing midway between the humerus and scutel, 

 and not reaching the tip; another vitta, less di- 

 lated than the preceding, takes its rise at the 

 humerus, and terminates a little beyond the tip 

 of the preceding vitta ; it is generally interrupted 

 into two or three spots : beneath very pale rufous : 

 postpectus varied with dusky. 



OBSERVATIONS. 



I obtained this species near the Rocky Moun- 



PLATE XXVIII. 



