692 Transactions South African Philosophical Society, [vol. xii. 



A'. Posterior tibiae without a terminal spur. 



Prothorax with a tubercle on the anterior margin ; posterior tibiae 

 very convex and produced on each side into a very long process, 

 the upper sharply spinose and the other blunt, quadri-dentate . . crassipcf. 



Prothorax without tubercle ; posterior tibiae scooped out hori- 

 zontally at the tip, bi-spinose inwardly and with a bitid process 

 trongly serrate outwardly fiilipiitoan. 



HoPLOCNEMis HYLAX, Fabric, 



Plate XLII., fig. 2. 

 Syst. Entom. Append., p. 817. 



Oliv., Entomol., i., 3, p. 50, pi. xi., fig. 95 a-h. 



Lacordaire, Atlas, pi. xxix., fig. 4a. 

 Male : Head, prothorax, and legs piceous brown ; elytra cherry- 

 red ; head very rugose, sharply carinate latei'ally, clypeus strongly 

 acuminate and sharply tri-dentate on each side ; in the centre there 

 is a greatly compressed, very high longitudinal carina strongly 

 bifid at tip, it is pubescent on the anterior part and fringed laterally 

 with long, black hairs ; prothorax one-third broader than long, a 

 little ampliate laterally in the middle, not much attenuated in front, 

 declivous in the anterior part, but not convex on the disk which is 

 very deeply sulcate longitudinally from the anterior declivity to the 

 base which is marginate, it is glabi-ous on the upper side, and 

 covered wuth deep, round punctures, somewhat scattered, and 

 fringed laterally with dense, black hairs ; scutellum long, narrow, 

 moderately sharp at tip, and deeply punctate ; elytra broader at the 

 base than the prothorax, obliquely attenuated from the humeral part to 

 the apex where they become gradually rounded, somewhat depressed 

 on the upper side, but having a very broad, somewhat rounded 

 costa extending diagonally from the shoulder and ending at the 

 posterior callus ; the margin is slightly raised and has a series of 

 short, black bristles, and the surface is covered with non -contiguous, 

 but nevertheless somewhat closely set punctures bearing each a 

 very short, black bristle ; propygidium and abdomen covered with 

 contiguous yellowish scales interspersed with hairs, pygidium vertical, 

 free from scales and irregularly punctured ; pectus very hairy ; hind 

 femora very thick, hind tibia? shorter than the thigh and with the 

 inner apical part produced into a long, sub-triangular process sharp 

 at tip, with the outer face somewhat deeply scooped out, and the 

 inner bluntly serrate; first basal joint of hind tarsi neai'ly obliterated, 

 the two following short, somewhat transverse, plainly soldered, 

 fourth sharply and very distinctly dentate beneath, fifth nearly twice 



