754 Transactions South African Philosophical Societj/. [vol. xii. 



deeply punctate ; propygidium and pygidium clothed with dense, 

 contiguous yellow scales somewhat deeper orange on the pygidium, 

 al)dominal segments clothed with somewhat lighter and more 

 elongate scales ; legs hlack with the tarsi piceous red, hind femora 

 somewhat rohust, simple, hind tiljiae somewhat compressed inwardly, 

 gradually ampliated obliquely underneath, simple, and having a 

 very long apical spur ; the basal outer tooth of the anterior tibiaB 

 is in both sexes angular instead of being as sharp as the other three. 



Female : Like the male ; the scales on the elytra and pygidium are 

 similar, but those on the pygidial part are lighter, and tlie til)icP are 

 redder. 



Length 3|-4 mm. ; width 2-2^ nun. 



Hab. Cape Colony (Cape Town, Stellenbosch, Oudtshoorn, 

 Clanwilliam, Uitenhage). 



Heterochelus detritus, Burm., 



Plate XLII., fig. 20. 

 Handb. d. Entomol., iv., 1, p. 89. 



Male : Black, with the elytra sienna-brown and the hind legs, 

 including the tarsi, reddish ; anterior and intermediate legs piceous ; 

 head and prothorax finely and very densely scabrose and clothed with 

 a short but erect pubescence, flavescent on the head, black on the 

 disk, but turning to greyish al)Ove that part of the base which 

 adjoins the scutellum, clypeus very sharply and strongly tri-dentate 

 at tip, the teeth equal ; prothorax very diagonally attenuate late- 

 rally in the anterior part, distinctly sinuate past the middle, and 

 having on each side of the base a transverse, narrow impression with 

 a sharp ledge ; scutellum broadly rounded at tip and clothed with 

 dense greyisli hairs ; elytra deeply sinuate laterally and strongly 

 narrowed from there towards the apex, indistinctly multi-striate, and 

 having, in addition to a single row along the suture, three duplicate 

 series of very short, dark brown bristles ; propygidium and pygidium 

 glabrous, piceous brown ; pectus and sides of abdomen slightly 

 villose, the villose hairs greyish ; hind femora very swollen with the 

 trochanters non-spinose, and having a very distinct median and a 

 supra-apical sharp tooth set in line on the under side ; hind tibijE 

 triangularly dilated from the base, sharply pluri-dentate on the upper 

 and having two distinct teeth on the inner edge, the apical part of 

 which is produced into a long, slightly curved mucro ; posterior tarsi 

 laminate transversely outwardly ; hind claws double, each one bifid, 

 inner one half the length of the outer. 



Female : The head, prothorax, scutellum and pectus are covered 



