1897.] of the Coleoptera of South Africa. 57 



Larger and more convex than A. discicoUis, and of a much hghter 

 colour. 



Hab. Rhodesia (Sahsbury). 



ASYMOPLECTUS CAVIVENTBIS, 



Plate XVI., fig. 22. 



Moderately depressed, black or piceous black, sometimes with the 

 discoidal part of the elytra brown ; antennae and legs red ; head 

 smaller than in A. discicoUis, more elongate than in A. irregulari ; 

 antennae as in A. discicoUis, the last joint is, however, a little longer; 

 prothorax briefly subovate, longer than broad, more attenuate in the 

 anterior than in the posterior part, the transverse sulcus angulate in 

 the middle and extended behind ; disk with a sulciform fovea or an 

 abbreviated sulcus more or less obsolete ; elytra not much broader 

 than the prothorax, rounded for a short space laterally and having a 

 briefly sulciform, external fovea. 



Male : Third dorsal segment of abdomen thrice as broad as the 

 preceding one, fourth a little smaller than the third ; fourth ventral 

 segment slightly sinuate at apex and transversely impressed in the 

 middle, fifth incised in the middle in such a way as to form an angle, 

 sixth with the right side sinuate, left side obtusely and widely 

 incised and also obtusely dentate ; seventh elongate, carinate, 

 obtusely acuminate at apex ; metasternum at times obsoletely 

 impressed ; anterior femora much thickened. 



Female : Third dorsal segment merely a little larger than the 

 preceding one, the fifth ventral one shorter than the others by one- 

 half, sixth large, triangular, much acuminate at tip. Length 1'20- 

 1-30 mm. 



The distinctive character of this species is the discoidal impres- 

 sions of the prothorax which are never entirely obliterated. 



Hab. Cape Colony (Cape Town, Newlands, Stellenbosch). 



AsYMOPLECTUS LUCTUOSUS, 



Plate XVL, fig. 26. 

 Elongate, somewhat narrow and depressed ; piceous black ; elytra 

 sometimes with the disk dark brown ; antennae and legs brown, 

 covered with a short, sparse, decumbent pubescence ; head large, 

 longer than broad, slightly attenuate in the anterior part ; antennae 

 similar to those of A. discicoUis, but with a larger club ; prothorax 

 not broader than the head, a little longer than broad, nearly straight 

 laterally and with all the angles rounded, nearly evenly attenuate in 

 both the anterior and posterior part ; lateral foveae small, the 



