332 Mr. C. 0. Waterliouse's descriptions, Sfc. 



rugosis, dimidio basali (lateribus exclusis) nigro ; pectore 

 griseo-nigro. 

 Long. 6^ lin. 



Head rather short and large, very little narrowed be- 

 hind the eyes (which are black), gently convex, extremely 

 polished, not impressed between the antenna ; the maxilhe 

 and the tip of the mandibles black. Antennas slender and 

 not very long. Thorax as broad as the head across the 

 eyes, one quarter broader than long, extremely polished, 

 not narrowed posteriorly, the anterior margin and the sides 

 (which are gently reflexed) nearly straight, the posterior 

 margin very slightly emarginate in the middle, all the 

 angles equally rounded. Elytra at the base scarcely 

 broader than the thorax, distinctly broader at the posterior 

 two-thirds, narrowed at the apices, yellow, with a black 

 patch extending from the base to the middle but leaving 

 the sides yellow, the black portion is shining and very 

 rugosely, almost reticulate-punctate, the yellow portions 

 are closely and strongly punctured and slightly pubescent. 

 The coxa3 and the metasternum are blackish. 



Hab. — Ecuador (Buckley). 



