218 DESCRIPTIONS OF NEW SPECIES. 



Dark-blue, elytra with red humeral spot sometimes wanting ; militaris 

 Chev. 22. MOLYBD1CA. 



d. Prothorax transversely depressed at the base, convex, much 

 rounded on the sides before the middle, hind angles small 

 (except in impura) ; elytra at base wider than prothorax, 

 more or less narrowed behind, usually black, spotted or 

 banded with yellow ; geuse moderately long (shorter in 

 ***\ . 



* Prothorax transversely excavated along the whole base, sides 

 sinuate, tip strongly tubular; body beneath, margins of 

 prothorax and elytral bands golden-pubescent ; tip trun- 

 cate, legs ferruginous ; 

 Yellow bands broader at the suture ; 



Antennae very stout, dark ferruginous. 23. l^ita. 



Antenna? more slender, nearly black ; quagga Germ. 24. nitens. 



Bands equal straight, antennae stout, blackish. 25. tribalteata n. sp. 



** Prothorax feebly excavated each side near the hind angles ; 

 pubescence not golden ; 

 Brownish-yellow, densely clothed with fine pubescence, hind angles of 

 prothorax more explanate and prolonged; elytra with a faint lateral 

 fuscous spot at the middle. 26. impdka. 



Prothorax narrowed from the base, sides subsinuate ; elytra yellow, with 

 two marginal spots and tip black, the later dehiscent, not truncate. 



27. cordifera. 

 Prothorax not narrowed from the base, sides sinuate, rounded in front, 



elytra with yellow bands or spots variously confluent, sometimes entirely 

 black ; suture dehiscent, tip rounded ; instabtlis Hald., convexa Lee. 



28. INSTABILIS. 



Prothorax not wider than long, more finely and densely punctured, body less 

 robust, elytra less dehiscent at tip, which is more broadly rounded, and 

 scarcely margined ; yellow with base, two bands and apex black ; bands 

 sometimes interrupted ; vexatrix Mann. 29. sexmaculata. 



Legs and antennae ferruginous, elytra feebly dehiscent, tips more broadly 

 rounded ; 

 Very robust, black, elytral margin from base to middle, and two lateral 



spots yellow ; tip scarcely margined. 30. quadrata n. sp. 



Less robust, elytra yellow, entire margin black, a discoidal spot near 

 the base, large lateral one near the middle, and transverse one near 

 the tip black ; tip distinctly margined. 31. sexspilota. 



*** Prothorax broader than long, campanulate, transversely ex- 

 cavated or depressed along the whole base, sinuate on the 

 sides, tip strongly constricted and tubular; pubescence 

 not golden, elytra rounded and margined at tip; mouth 

 and genae rather stout ; 

 Elytra testaceous with a large blotch behind the middle, extending to the 



margin but not the suture, and tip black. 32. Matthewsii. 



Entirely black, more coarsely punctured. 33. grossa n. sp. 



