1907.] Catalogue of the Goleoptera of South Africa. 371 



Anterior angles of clypeus re- 

 flexed ; sternal process very long, 

 slightly slanting downwards and 

 obliquely truncate at tip . . . . Stethosdema. 



Anterior margin of clypeus not 

 flexed, sternal process short, sharp- 

 ly acuminate Pseudoclinteria. 



D". Clypeus slightly attenuate in front, simple in 

 both sexes ; median part of fore margin of 

 prothorax raised or sub-tuberculate . . . . Pachnodii. 



F 1 . Prothorax arcuate above the scutellum. 



G 2 . Intervals of elytra not deeply striate 

 punctate. 



a 2 . Maxillary upper lobe dentate. 



Anterior tibiae of <$ uni-dentate, 

 fore margin of clypeus plainly 

 reflexed ; sternal process blunt . . A trichia. 



Anterior tibiae of <? uni-dentate, 

 fore margin of clypeus simple, 

 sternal process short, obtuse . . Pachnoda. 



Anterior tibiae of t? uni-dentate, 

 fore margin of clypeus simple, 

 sternal process sub-porrect, elon- 

 gated Rhabdotis. 



G 1 . Intervals of elytra each with two 

 geminate, impunctate striae. 



a 1 . Maxillary lobes inermous, upper 

 one with a long pencil of hairs. 



Base of prothorax very slightly 

 sinuate above the scutellum; 

 elytra bi-costate, suture sharp, 

 but not projecting much . . . . Elaphinis. 



D 2 . Base of prothorax arcuate above the scutel- 

 lum ; body depressed ; dorsal intervals of 

 elytra geminate, striate Porphyronotii. 



a 2 . Maxillary lobes simple, penicillate. 



Suture of elytra very sharp and strongly 

 projecting, upper side of hindtibiae uni- 

 dentate Niphetophora. 



a 1 . Maxillary lobes dentate. 



Body depressed, suture of elytra sharp but 

 not projecting, upper side of hind tibiae 

 pluri-spinose Porphyronota. 



Angles of clypeus recurved, dentate ; 



angles of clypeus not recurved . r . . . , Chirinda. 



