1900. C(il((lo<jiie of the ('olcoj)lera of Sniitli Afriat. 113 



Dkepanoc'kuus sulcicolms, Cast., 

 Plate XXX L v., fig. 22. 

 Hist. Nat., ii., 1840, p. 92. 

 D. (Jisjyar, Boh., Ins. Caffr., ii., p. 324. 



Black, opaque ; sides of the head attenuate diagonally towards the 

 apex, clypeus incised in the centre, angles of incision sharp but not 

 projecting, head glabrous, .finely punctured and without any trace 

 of transverse carina ; palpi ferruginous ; prothorax sub-parallel or 

 very slightly ampliate, covered with broad but shallow, nearly 

 confluent punctures, and clothed with a very short bristle-like 

 pubescence ; elytra not broader than the prothorax, sub-parallel but 

 rounded from some distance from the apex, plane with the humeral 

 callus_ prominent, finely striate, with the suture, and the third, 

 fifth, and seventh intervals raised or sub-carinate and very briefly 

 squamoso-pilose, along the humeral callus there is also a very 

 short squamose costa, intervals roughly aciculate ; pygidium densely 

 squamose ; metasternum closely punctured and sub-carinate longi- 

 tudinally in the centre ; tibiae and legs as in the preceding species ; 

 the abdomen is covered by the elytra. 



Male : Head without any transverse ridge or raised line ; pro- 

 thorax with a deep, longitudinal median groove reaching from the 

 apex to the base, sides of groove produced in a thin very high 

 vertical wall slightly emarginate at tip, and more or less sharply 

 aculeate behind. 



Female : Head similar to that of the ^ , but not quite so deeply 

 incised in front ; prothorax with a moderately broad but not verv 

 deep longitudinal impression reaching from the central part to 

 the base. 



Length 4-5 mm. ; width 2-2i mm. 



Hab. Cape Colony (Somerset East, Bedford, Graham's Town, 

 Knysna). 



Drepanoceeus fastiditus, n. spec. 



Black, opaque ; under side slightly seneous ; clypeus attenuate 

 diagonally towards the apex which is broadly but not deeply 

 emarginate w^ith the angles of the emai'gination sharp and slightly 

 recurved, head distinctly punctured and bristly, and without an}- 

 median carina or raised line ; prothorax a little ampliate laterally, 

 plane, covered with very broad but shallow, nearly confluent 

 punctures, briefly squamoso-setulose, broadly impressed longitu- 

 dinally in the centre and having a narrower impression on each 

 side of the median one, the edges of this impression are set with 



8 



