686 Transactions South African Philosophical Society, [vol. xii. 



Pachycnema rostrata, Burni. , 

 Handb. d. Entom., iv., 1, p. 61. 



?\a^tXLu.,-^.-^-M- 



Black in the male, dark brown in the female, prothorax with a 

 scaly outer margin and two patches of scales on each side of the 

 median longitudinal groove ; elytra with three transverse rows of 

 four, three, and two scaly patches on each side, these scales are 

 white in the male, yellow in the female ; head deeply punctate, 

 clypeus very elongate, sulcate in the middle and with the two apical 

 teeth set close to one another and much reflexed ; prothorax slightly 

 attenuated laterally in front, somewhat rounded and emarginate 

 towards the base, distinctly convex, very deeply punctured, somewhat 

 deeply sulcate longitudinally in the posterior part, and clothed with 

 dense, long, erect black hairs, in the male there is only a marginal 

 band of white scales all round and a supra-lateral impression on each 

 side of the disk, probably filled with white scales at an early stage, 

 but in the female the marginal scaly band is broader and the scales 

 bright orange-yellow, the disk is sprinkled with similar scales, not, as 

 a rule, closely set, but forming two irregular patches on each side ; 

 scutellum long, sharp and scaly ; elytra distinctly ampliated 

 laterally in both sexes, and with the humeral callus almost forming 

 the angle of the shoulder, they are set with series of long, black 

 bristly hairs which are as long on the disk as along the suture, they 

 have on each side a sub-basal transverse row^ of four round scaly 

 patches, a post-median of thi-ee, and an apical one of two, which 

 latter do occasionally coalesce, and as often as not are united along 

 the suture in the female with the juxta-sutural patch of the second 

 row ; abdomen and pygidium covered with white or yellow scales 

 according to the sex, and set with long, bristly hairs ; pectus very 

 densely pubescent ; posterior tibiae very slender, but slightly more 

 swollen in the male than in the female, the four basal joints of tarsi 

 elongate in both sexes, fifth not quite as long as all the first three 

 taken together, claw simple. 



Length 8-9 mm. ; width 5-6 mm. 



Hab. Cape Colony (Riversdale, Worcester). 



Pachycnema namaqua, n. spec. 

 Head and prothorax black, the latter with an ill-defined marginal 

 band of white scales, and with four, somewhat indistinct, and often 

 obliterated small round patches ; elytra red, shining ; legs black ; 

 in the female there is a broadly interrupted supra-marginal band, 

 and a small patch along the suture of yellow scales, while in the 

 male there are only a few white scales here and there ; pygidium 



