1902.] Catalofjue of the Coleoptera of South Africa. 799 



Clypeus with the angles more or less broadly rounded ; anterior 

 and intermediate claws double or single, hind ones nearly 

 always single and not cleft ; clothed with scales ; sexual 

 differences very great ; claw of the intermediate and some- 

 times of the hind legs with a tooth underneath in the male : 



Club of antennse small Monochdus. 



Like Monoclielus, but club of antennae as long as all the 



other joints taken together ; clothed with hairs . . . . Thahina. 



Clypeus either sharply acuminate in the centre or sub-parallel 

 with the apical angles sharp ; claws single but cleft except the 

 hind ones ; sexual differences either striking or not, no tooth 

 under the intermediate claw in the male Gyiiinoloma. 



Clypeus ])lainly narrowed obliquely and deeply emarginate 

 at the tip ; legs slender in both sexes and with a tooth under- 

 neath the intermediate claw in the male, hind claws only 

 single and simple ; clothed with scales Kiiyifiia. 



Clypeus deeply and broadly emarginate in the middle and 

 with the two basal angles developed inwardly into a tooth ; 

 hind claws only single and simple, hind legs of male, especially 

 the tibiae, very swollen Outcniqna. 



A'. Labrum produced vertically. 



Clypeus sub-orbicular, deeply impressed ; legs slender in both 

 sexes, all the claws simple, but the four anterior ones slightly 

 cleft Gouna. 



Clypeus slightly attenuate laterally, emarginate at the apex; hind 



legs of male thick, robust ; all the claws double, unequal . . . . Scelophy^a. 



Clypeus sub-rectangular, not emarginate at the apex ; hind legs 



slender in both sexes ; all the claws double, unequal Lejnsia. 



KUBOUSA, n. gen. 



Mentum broad but a little longer than wide, rounded laterally, 

 deeply and broadly emarginate at the tip, and not ciliate there, 

 upper lobe of maxillas robust, armed with six strong sharp teeth, set 

 in a double row; palpi of Platychelus ; antennae nine-jointed, club 

 as long as the five preceding joints taken together ; clypeus slightly 

 constricted laterally at the base, emarginate in front; prothorax 

 attenuate laterally in front and sinuate or deeply sinuate in the 

 posterior part and with the basal angles sharp, base strongly sinuate, 

 scutellum long, sharply ogival ; elytra as strongly attenuated laterally 

 towards the apex as in Omocrates, plane more or less densely scaly ; 

 pygidium vertical in the male ; anterior tibise tri-dentate outwardly, 

 the two basal teeth are very small and all three equi-distant ; but in 

 K. elegans the tibige are only bi-dentate ; legs slender, similar in both 

 sexes, all the claws double with the more robust ones cleft. 



