392 Annals of the South African Museum. 



"Head, thorax and nodes of the peduncle with rugose confluent 

 punctures ; the head longer than broad, slightly narrowed before the 

 eyes ; the posterior margin of the vertex broadly emarginate. The 

 anterior margin of the prothorax arched ; the thorax about the same 

 length as the head, narrowed behind, the insertion of the wings ; the 

 metathorax (epinotum) with two blunt spines. Abdomen oblong and 

 very finely shagreened, emarginate at the base and rounded at the 

 apex. 



" ^ . Only differs from the $ in being rather shorter and in the 

 form of the thorax ; the abdomen shorter, with the sides less parallel. 



" ($ . 2i lines. The colour and sculpture as in the 9 • Head 

 wider than the thorax, much narrowed before the eyes ; the lateral 

 angles of the posterior margin of the vertex subspinose. Thorax 

 anteriorly arched ; the mesothorax with two curved, deep, broad 

 channels that curve inwards and unite at the base of the scutellum 

 (= Mayrian furrows) ; the scutellum, the spines of the epinotum and 

 the nodes of the petiole grooved longitudinally ; the wings as in the 

 $ ; the abdomen subovate, slightly emarginate at the base and 

 pointed at the apex. 



"Hob. — Weenen district, Natal; (in thorns of Acacia). Some of 

 the ^ ^ have the legs-more or less ferruginous." 



As is so frequently the case in Smith's descriptions, the diagnosis is 

 confined to what are mainly generic characters, and the specific ones 

 are conspicuous by their absence. The description of the £ is hope- 

 lessly inadequate. 



C. eugosus, Forel. 



(As race of intrudens), Mitth. Schweiz Ent. G-es., vol. 9, p. 78, § , 1894. 



Mayr, Ann. K.K.N.H. Mus. Wien, vol. 10, p. 129, $ , 1895. 



" £ . 4 - 8 mm. Larger than intrudens. Epinotal spines stronger, 

 longer, and more divergent. Thorax and head strongly and longi- 

 tudinally rugose ; pronotum in front, the head behind and the epi- 

 notum between the spines coarsely and transversely rugose. Abdomen 

 longitudinally striate, very distinctly so at the base, indistinctly 

 elsewhere. Petiole coarsely longitudinally rugose. 



" Delagoa (Dr. A. Muller)." 



" $ . Not larger or hardly larger than intrudens. The head is 

 coarsely and longitudinally rugose, the rugae connected together, the 

 meshes irregular and elongate ; the posterior angles of the head are 

 dilated in a dentate form, and the two little teeth on the posterior 



