1907.] Catalogue of the Coleoptera of South Africa. 495 



Macroma cognata, Sch., 



Germ. Zeitschr., iii., 1841, p. 278. 



Westw., Thesaur Entomol., p. 9, pi. vi., fig. 3. 



Eeddish brown, shiny, glabrous, clypeus covered by a yellow 

 patch triangularly produced to near the vertex, head alone sparingly 

 punctate, anterior margin raised triangularly in the centre ; pro- 

 thorax sub-trapezoidal, moderately rounded laterally behind, base 

 slightly bi-sinuate, not emarginate above the scutellum, deeply 

 impressed longitudinally in the posterior part in a line with the 

 equally depressed scutellum, the surface is very sparingly punctulate 

 and the outer margin has a broad yellow band including a small 

 round brown patch, the sulcate part is also yellow, and so is the 

 greatest part of the scutellum ; elytra somewhat sunk in the anterior 

 part along the suture which from the middle becomes moderately 

 raised, they are immaculate and have regular series of remote round 

 punctures which, along the suture, are cicatricose ; spiracle of pro- 

 pygidium round, not projecting ; pygidium sloping backwards, 

 somewhat elongated, carinate in the centre from base to apex and 

 with a small tubercle on each side of it, the median part is obsoletely 

 punctulate and the outer sides strigillate ; upper side of abdominal 

 segments with a broad yellow macule each, side-pieces, the greatest 

 part of the metasternum, and anterior part of fore coxae yellow, 

 sides of abdomen and pectus sparingly punctate ; legs strigillate. 



Length 17-18 mm. ; width 9 mm. 



Hob. Natal (Durban, Pine Town, Maritzburg, Malvern, Isipongo, 

 Unkomaas, Eshowe) ; Cape Colony (Transkei, St. John's Eiver, 

 East London) ; Southern Ehodesia (between Zambesi and Limpopo) ; 

 Mozambique (Rikatla). 



In this species the inner lobe of the maxillae is laminate and the 

 lamina tri-dentate lengthways. 



Mackoma emarginicollis, Bohem., 



Insect. Caffr., ii., p. 45. 



Westw., Thesaur. Entomol., p. 10, pi. vi., fig. 11. 



Black, shiny, glabrous; clypeus very slightly arcuate in front, 

 margin simple, impressed longitudinally on each side near the 

 frontal part of the head, deeply punctate like the head and having a 

 flavescent median band ; prothorax hexagonal, broader than long, 

 deeply arcuately emarginate at the base above the scutellum, the 

 hind angles are moderately rounded, the surface is deeply but 

 somewhat sparsely punctate, and there is a broad lateral marginal 



