66 Transactions South African Philosophical Society, [vol. xii. 



Key to the Species. 



A^. Basal part of prothorax with two impressions on the middle. 

 B^ Clypeus quadri-dentate. 



Metallic green, opaque ; upper part very roughly and closely 

 shagreened ; metathorax produced in a triangular tubercle 

 deeply impressed at base splendens. 



Metallic green, shining; prothorax closely shagreened ; elytra 

 slightly plicate transversely near the suture, intervals finely 

 shagreened and set with small granules ; metathorax pro- 

 duced in a triangular tubercle deeply impressed at base . . ivalilbcrgi. 



Bronze, opaque ; upper part very finely shagreened ; meta- 

 thorax slightly aculeate in front, the aculeate process not 

 impressed at base ; anterior tibiae not deeply emarginate in- 

 wardly and not dentate in the male consociiis.. 



A^. Basal part of prothorax not impressed in the middle. 



Upper side blue or greenish blue, shining ; prothorax and elytra 

 finely aciculate ; metathorax produced in a sharp, triangular 

 point not impressed transversely at base insidiosus. 



Upper side coppery bronze, sub-opaque ; prothorax very finely 

 aciculate ; elytra very finely shagreened ; metathorax produced 

 in a sharp, triangular point not impressed transversely at base caffcr. 



Upper side dull bronze ; prothorax covered with not closely 

 set granules ; elytra very finely shagreened, intervals set with 

 small granules ; metathorax produced in a triangular tubercle 

 impressed at base fastiditus. 



Upper side bronze, sub-opaque ; prothorax covered with very 

 closely set granules ; elytra very closely shagreened ; metathorax 

 produced in a somewhat blunt triangular process not impressed 

 at base iinicolor. 



Bronze or bronze-green, sub-opaque ; prothorax covered with 



not very closely set granules wanting in or near the base ; 



intervals of elytra set with moderately close minute tubercles ; 



metathorax produced in a somewhat blunt triangular process : 



Strise of elytra very shallow thalassinus 



Strise of elytra deep cliloris. 



Upper side coppery bronze, opaque ; prothorax striolate and 

 covered with numerous impressions, elytra very roughly 

 shagreened ; metasternum aculeate at tip ccelatus. 



B'. Clypeus bi-dentate. 



a^. Head without a median smooth longitudinal carina. 

 c^. Upper part of the lateral sinuation of elytra sharp, 

 aculeate. 



Outer margin of the prothorax sharply angulate past the 



middle Jiunicralis. 



c\ Upper part of the lateral sinuation of elytra rounded . . con)iexus. 



