326 Transactions South African Philosophical Society, [vol. xiii. 



a'. Base of prothorax emarginate above the 

 scutellum. 



Last joint of palpi cylindrical ; maxillse in- 

 ermous; hind tarsi short, joints triangular, very 

 hairy Rhinocceta. 



Last joint of palpi obliquely truncate; upper 

 lobe of maxillae strongly hooked ; hind tarsi 

 short, joints triangular, moderately densely 

 hairy Lipoclita. 



C 3 . Clypeus differently shaped in both sexes. 



Basal joint of hind tibia? longer than the second, 

 sharply spinose on each side. 



a-. Base of prothorax arcuate above the scutellum. 



Upper maxillary lobe with two inner sharp 



teeth; elytra costulate Hypselogenia . 



a'. Base of prothorax hardly emarginate above the 

 scutellum. 



Upper maxillary lobe bluntly bifid ; elytra non- 



costate Goliathus. 



C 2 . Clypeus similar in both sexes, quadrate, outer 

 angles sharp. 



Basal joint of hind tibiae not longer than the 

 second, angular outwardly. 



Base of prothorax hardly sinuate above the 

 scutellum; upper maxillary lobe inermous, last 

 joint of palpi long, cylindrical, truncate at tip .. Hcematonotus. 



C. Clypeus very sharply acuminate towards the apex 

 and incised there. 



Antennal club of cf shorter than the pedicel, and 

 anterior tibia- uni-dentate in the $ , bi-deutate in 

 the ? Phoxomela. 



A'. Basal joint of hind tarsi spinose outwardly in the ? only. 

 Body le^s massive, suture raised and sub-carinate in the 

 apical part. 



Base of prothorax straight above the scutellum. 



Clypeus elongate-ovate, deeply emarginate in front ; 

 antennal club of i as long as the pedicel. 



Body slightly convex Micrelaphinis. 



Body depressed Dulcinea. 



Clypeus ampliate-ovate, antennal club of i not as long as 

 the pedicel. 



Body massive AtricJielaphinis. 



