1902.] Catalogue of the Coleoptera of South Africa. 761 



broader than the femora, very swollen on each side, and as broad 

 at the compressed apical part as at the middle, sharply spinose 

 on each side of the apex, but not mucronate, and having a distinct 

 apical spur, hind tarsi contracted, very massive and glabrous, the 

 fourth produced inwardly into a slightly bifid process, fifth longer 

 than the whole of the four, very massive and very distinctly 

 bi-dentate underneath, hind claw robust, simple. The shape of the 

 hind legs is almost similar to that of H. arthriticus, but there is an 

 apical spur wanting in the latter, and the fifth joint of the hind 

 tarsi is distinctly bi-dentate instead of having one bifid tooth. 



Female : The female is exactly like that of H. arthriticus. 



Length 6-7 J mm. ; width 8—4 ram. 



Hah. Cape Colony (Cape Town, Stellenbosch, Malmesbury, 

 Paarl, Worcester, Caledon). 



Heterochelus exactor, n. spec. 



Very closely allied to H. i)isigiiis. 



Male : Black, with only the abdomonial segments edged with 

 flavescent scales, a few of which are also seen on the sides of the 

 metasternum ; the elytra are very dark fuscous brown, densely but 

 very briefly pubescent, they have no trace of scales, and they are 

 neither striate nor costulate ; the hind femora are similarly shaped, 

 but they are not quite as much swollen ; the apical spur is identical. 



This insect may prove to be a varietal form of H. insignis. 



Length 6 mm. ; width 3i mm. 



Hah. Cape Colony (Worcester). 



Heterochelus pulverosus, Burm., 

 Handb. d. EntomoL, iv., 1, p. 120. 



Male : Black, elytra briefly pilose and having along the suture a 

 somewhat interrupted Ijand of yellow scales which borders also the 

 apical margin, propygidium and sides of the abdomen clothed with 

 yellow scales, pygidium denuded ; clypeus distinctly but not very 

 sharply tri-dentate ; head and prothorax briefly pubescent, the pubes- 

 cence black ; elytra not costulate, but slightly impressed longitudinally 

 along the suture and the humeral callus ; hind femora robust, armed 

 with a conspicuous inner tooth near the knee, trochanters with a 

 very short spine ; hind tibiae broadly and deeply scooped inwardly 

 and having a median triangular tooth in the inner margin of the 

 excavated part, the outer margin is sinuate, at the apex there is 

 a short but sharp mucro bearing an apical spur, hind claw single, 

 simple, intermediate one doul)le but with the outer one very small. 



