516 Transactions South African riiilosopJiical Society, [vol. xiu 



Length 29-32 mm. ; width 161-17 mm. 



Hab. Damaraland (Angra Pequena). 



This species is also met with in Senegal and the West African Coast. 



HeTERONYCHUS vviijivitsi, XYUiue, ^, . ^ , () -, 



Entom. Nachr., vol. xxvi., 1900. ' 



Black, shining, glabrous except on the prosternum ; antennae and 

 palpi ferruginous ; head aciculate, very deeply impressed transversely 

 in the median part, with the impression and also the basal part of 

 the clypeus rugulose, the frontal carina is obliterated, but the 

 clypeal one, which is still visible outwardly, is produced into a con- 

 spicuous, sharp tubercle on each side of the anterior part of the 

 transverse impression, the clypeus is bi-dentate at apex ; prothorax a 

 little attenuate laterally from the anterior angle to about the median 

 part where it is straight, moderately convex, and impunctate ; scutel- 

 lum impunctate ; elytra slightly sinuate laterally from about one-third 

 of the length and a little ampliate from there towards the rounded 

 posterior part, the juxta-sutural stria is entire and impunctate, the 

 second one is very oblique, and punctate right to the apex, the third, 

 fourth, and fifth are obliterated before reaching the declivous posterior 

 part, but only at a short distance of the junction of the second and 

 sixth striae, the intervals are impunctate in the dorsal posterior part, 

 but there are a few punctures betw^een the base and the median part 

 on the fourth, sixth, seventh, and the whole of the eighth, while the 

 posterior and apical parts are covered with deep, nearly confluent 

 foveolate punctures, but on the whole the punctate strige are only 

 moderately deep ; propygidium having in the centre fine, transverse, 

 very closely set folds divided at apex by a faint, longitudinal line, pygi- 

 dium finely shagreened all round but with the convex part smooth, 

 fold wide, and having in the centre a broadly triangular excavation ; 

 second, third, and fourth abdominal segments with a row of trans- 

 verse setigerous punctures, gradually decreasing in number on the 

 third and fourth ; metasternum impressed longitudinally, prosternum 

 pilose and with a sub-ogival process at base ; anterior tibiae with a 

 serrate tooth between the second and the basal outer teeth and three 

 serrate ones above the digitation ; inner claw of anterior tibiae of male 

 very broad, bluntly rounded at tip, and not dentate or emarginate 

 outwardly. 



Length 18-19 mm. ; width 9-lOi mm. 



Hab. Natal (Pinetown, Maritzburg, Estcourt, Durban), 

 Transvaal (Lydenburg, teste Kolbe, Johannesburg), Cape Colony 

 (East London, St. John's Eiver). 



