1902.] Catalogue of the Cokoptera of South Africa. Ibl 



and less broad at base, and besides the basal inner tooth near the knee, 

 there is also an inner moderately raised carina somewhat dentate in 

 the middle. 



Female: I do not know the female of this species which, according 

 to Burmeister, has only a few scales sprinkled on the elytra. 



Length 9i mm. ; width 6 J mm. 



Hab. Cape Colony (no exact locahty). 



Heterochelus optivus, n. spec. 



Male : Black, with the scutellum, elytra, pygidium, and sides of the 

 abdomen covered with bright yellow scales, anterior legs rufescent ; 

 clypeus a little acuminate and very sharply tri-dentate at the apex, 

 the three teeth being equal in size ; head strongly scabrose ; 

 prothorax with a distinct longitudinal median impression reaching 

 from the middle to the base, and having only a few squamose 

 appressed yellow hairs which are greatly scattered ; scales on the 

 scutellum, elytra, and pygidial part very closely set ; the elytra are 

 not costulate ; hind trochanters very sharply spinose, hind femora 

 thick, simple but with the angles of the articulation of the knee 

 sharp ; hind tibiae robust, but compressed at a short distance from 

 the basal part and with the inferior edge slightly bi-emarginate and 

 ending inwardly at apex in a conspicuous spine-like mucro, no 

 apical spur ; hind claws simple, single. 



Female unknown. 



Length 3-| mm. ; width 2 mm. 



Hah. Cape Colony (Clanwilliam). 



Heterochelus anomalus, Burm., 

 Handb. d. Entomol., iv., 1, p. 118. 



Male : Black ; head and prothorax with the normal sculpture and 

 vestiture ; scutellum with a few greyish scales ; elytra dark 

 chestnut-brown, distinctly ampliated laterally in the sub-humeral 

 part, attenuate from there towards the apex, clothed with a very 

 short, appressed greyish pubescence, and having along the suture 

 a somewhat obliterated line of svib-fiavescent hairs replaced by 

 scales on the apical margins ; pygidium and edges of abdominal 

 segments covered with yellow, contiguous scales ; hind femora 

 robust, simple, but with the outer part of the articulation of the 

 knee developed into a strongly angular tooth, the spine of the 

 trochanters is long and sharp ; the hind tibiae are unicarinate 

 underneath, the carina being prolonged into a long, curved mucro. 



