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Bd. 

 Hind angles of head square, genas rather long; rf with 5th ventral impressed, 

 truncate and emarginate. 

 Prothorax obtusely angulated or strongly sinuate on the sides; legs entirely 

 yellow; J^ elytra yellow, apex black (sometimes enclosing yellow 

 spot) and two incomplete bands black; antennje more slender, 

 fuscous or black; 9 elytra yellow, with apex and three bands 

 (sometimes incomplete) black; antennce very stout, yellow. 



crassipes. 

 Prothorax rather rounded than sinuate on the sides; thighs and tips of 



tibiae dark; abdomen black tibialis. 



Hind angles short, tumid, but obtuse, neck less constricted; prothorax less 



sinuate on the sides, more finely and less densely punctured; 



pubescence white, long and fine. 



Black, elytra with a basal spot, tvyo bands connected near the suture, and 



a large spot near the tip yellow; legs and abdomen ferruginous, 



tarsi dusky behrensii. 



Hind angles of head very short, rounded; (^ as above. 



Blackish blue, shining, prothorax feebly rounded on the sides; elytra 

 slightly truncate at tip, with four pale yellow spots on each; base 

 of thighs pale octonotata. 



Be. 



Black, with fine, sparse, yellowish pubescence; head and prothorax finely, 

 very densely punctured; elytra twice as wide as prothorax, punc- 

 tured, more densely and a little more finely towards the tip; 

 antennae long and slender, annulate with pale, legs ferruginous 

 or fuscous pedalis. 



C. 



C a. — Elytra protuberant at base; tip subtruncate, suture with a small spine; 

 prothorax scarcely constricted, more deeply bisinuate at base. 



C b. — Elytra not protuberant at base, rounded at tip; prothorax very deeply 

 constricted before and behind, sides strongly rounded and disc 

 very convex; head prolonged behind eyes. 



C c. — Elytra not protuberant at base, rounded at tip; prothorax slightly con- 

 stricted at base and at tip, sides tuberculate; head prolonged 

 behind the eyes; antenuEe stout, third and fourth joints united, 

 equal to fifth. 



C a. 



Head prolonged behind the eyes; sparsely punctured, black, shining; elytra 

 with a yellow vitta, sometimes wanting, or entirely testaceous. 



vittata. 



Neck very near to the eyes; black, prothorax pubescent, with erect hair, 

 densely punctured with a smooth dorsal vitta . . . pubera. 



Cb. 

 Black, front legs, base of thighs and tibice, more or less yellow; prothorax 



