162 Transactions South African Philosophical Society, [vol. xiii. 



by an arcuate ledge, the concave part is faintly punctulate, and the 

 declivous part smooth ; prothorax finely and closely punctate but the 

 sculpture is hidden by the long pubescence ; scutellum aciculate ; 

 elytra parallel, somewhat depressed on the upper side and with the 

 humeral callus distinct and elongated, the juxta-sutural stria is alone 

 faintly visible, and there are no traces of costules ; the pygidial part 

 is finely and very closely punctured. 



Female unknown. 



Length 18 mm. ; width 8J mm. 



Hab. Southern Ehodesia (Victoria Falls). 



Aipeiopsis hirticollis, Waterh., 

 Ann. and Mag. Nat. Hist., vol. xv., 4 ser,, 1875, p. 406. 



" Elongated, parallel, convex, brownish, clothed with a flavous 

 pubescence ; frontal part bearing on the anterior part a short, 

 shining, transverse lamina ; clypeus concave, plainly punctulate, 

 margins strongly reflexed, anterior angles well rounded ; prothorax 

 broader by two-fifths than long, obliquely narrowed in front, clothed 

 with a long navous pubescence, anterior angles obliterated, sides 

 reflexed in the anterior part, shining, base lobate in the middle ; 

 elytra as broad as the thorax and two and a half times as long, 

 slightly convex, finely punctulate, nearly parallel, briefly pubescent 

 and bi-costate on each side ; under side clothed with long hairs ; 

 anterior tibiae strongly tri-dentate. 



Hab. Lake N'Gami." 



I have not seen this species, which is probably the same size as 

 B. hirsuta ; but Mr. C. O. Waterhouse, whom I asked to compare 

 my example with his species, writes that it is " very near B. (Cyclo- 

 mera) hirticollis, but the latter has costae on elytra, which are also 

 less punctured." 



PSEUDACHLOA, n. gen. 



Mentum fused with the ligular part, narrow, straight laterally 

 from about one-third of the length, narrowed thence but still parallel 

 as far as the point of insertion of the palpi, the ligular part is shaped 

 like a sharp spine ; labial palpi massive and inserted on the outer 

 face of the mentum but not quite contiguous at the base, the second 

 joint is somewhat triangular and fused with the apical one which is 

 sharply conical and inserted obliquely on the second, the outer angle 

 of which, moreover, projects distinctly and bears two long setae ; 

 maxillae straight, the inner lobe is very plain, and ciliated at the tip, 



