24 Descriptive Catalogue [1897. 



P. rusticus, Per., 

 Plate XIII. , fig. 10. 

 Trans. S. Afric. Phil. Soc, hi., 1885, p. 82. 



Reddish, shining ; head with a very conspicuous conical spine on 

 the vertex ; antennal club subelongato -ovate, moderately thick, inner 

 and apical margins carinate, the former nearly straight, outer margin 

 slightly emarginate near the apex, also carinate, but with three very 

 small and hardly noticeable dents in the median part of the carina ; 

 posterior basal angle not longer than the anterior ; prothorax with 

 a very shallow transverse median impression reaching from side to 

 side, and much constricted laterally in the middle, anterior part 

 convex, subcordiform, briefly pubescent, posterior part narrower 

 than the anterior, subcylindrical , and without any median im- 

 pression ; elytra parallel, very finely and closely punctured, each 

 puncture bearing a very short hair ; posterior tibiae slightly dilate. 

 Length 8-J- mm. ; width 3 mm. 



Hob. Transvaal (Rustenburg). 



P. arduus, Per., 



Plate XII, fig. 8 ; Plate XIII., fig. 6. 



Trans. Entom. Soc. Lond., 1896, p. 149. 



Red, shining; head with a long conical tubercle on the vertex; 

 smooth, but slightly punctured behind ; antennal club short, thick, 

 convex on both sides, carinate all round, depressed at the base with 

 the basal outer angle produced in a long, sharp, slightly recurving 

 spine, no longitudinal impression in the posterior declivity ; pro- 

 thorax smooth, with a deep transverse impression reaching from side 

 to side and having a yellow pubescent patch at each end, anterior 

 and posterior part equally broad, the anterior a little more raised 

 than the posterior, the sides nearly parallel ; elytra elongate, sub- 

 parallel, smooth, and very closely punctured, the punctures in the 

 anterior part being deeper and broader than those behind ; tibiae 

 slender. Length 8 mm. ; width 2|- mm. 



Hab. Zambezia (Manica). 



- 

 P. fallax, Per., 

 Trans. S. Afric. Phil. Soc, vi., 1892, p. 108. 



Head, antennae, and prothorax chestnut brown ; elytra lighter red ; 

 head pubescent, and with a short, conical tubercle on the vertex ; 

 antennal club shining, slightly pubescent, subovate, carinate all 

 along the inner and apical margins, but emarginate at the apical 



