I 



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Synopsis. 



Group I.— Sliort stout species; hind tarsal joints stout, equally pubescent 



beneath; antennae stout, except in thoracica. 

 A. — Prothorax with lateral anij;le distinct, sides behind the middle concave. 

 Black, prothorax yellow, densely pubescent, elytra densely puncttued. 



thoracica. 

 Color \ariable, very slightly pubescent, elytra sparsely punctured. 



bivittata. 

 Blackish blue, scarcely pubescent, elytra coarsely and distantly punctured. 



atra. 



Greenish bronze, pubescent, elytra coarsely and sparsely punctured, 



general form less stout, and lateral angle of thorax more rounded. 



subaenea. 

 B. — Prothorax with lateral angle rounded, not prominent, sides parallel be- 

 hind. 

 Testaceous, feebly pubescent; punctures of elytra irregular towards base. 



pinguis. 

 Dark metallic blue, black or bronze; pubescence yellowish, soft and long. 



tumida. 

 Black, elytra violet blue; pubescence short, black, erect .... viola. 

 Group II. — Slender species; hind tarsal joints slender, last joint only usually 

 densely pubescent beneath arid more broadly bilobed; antennae 

 slender. 

 A. — Disc of prothorax convex, slightly channeled and densely punctured. 

 Prothorax longer than wide; first and third hind tarsal joints densely 

 pubescent beneath, second wholly or partly bare. 

 Elytra more sparsely punctured, pubescence very short and sparse; 

 elytra black, vittate more or less with testaceous, or wholly tes- 

 taceous. 



Sides of. head parallel behind the eyes longicornis. 



Sides of head oblicjue behind the eyes. 



Prothorax more densely punctured vilicta. 



Prothorax shining, less densely punctured ligata. 



Elytra more densely punctured witii short pubescence; black, with the 



base more or less red basalis. 



Prothorax wider than long; hind tarsi with third joint only densely pu- 

 bescent beneath. 

 Hind angles of prothorax not prominent; iiubescence sparse; elytra 

 black, varying to testaceous, or with red humeral angle, militaris. 

 Hind angles of prothorax prominent; elytra black, varying to fuscous, 



clothed with soft, long pubescence subpilosa. 



B. — Disc of prothorax convex, coarsely punctured, lateral angle prominent; 

 antennae stouter, third and fourth joints together not longer than 

 fifth; elytra very deeply punctured. 

 Black; head, scape of antennae, elytra and legs rufotestaceous. lisa n. sp. 

 C. — Disc of prothorax convex, not channeled, sparsely and finely punctured, 

 elytra rounded at tip. 

 Sides of head behind the eyes straight, oblique, neck concave. 



