530 MISCELLANEA ENTOMOLOGICA, NO. IV. 



22. PTEROHELiEUS DISPAR, PaSCOe. 



Ann. Nat. Hist. Ser. 4, Vol. III. p. 286. 



" Shortly elliptic in the male, oblong-obovate in the female^ 

 shining pitchy brown, the margins much paler ; head rather 

 narrow in front ; clypeus convex, its suture rather indistinct ; the 

 eyes not remote ; prothorax shorter proportionally in the male, 

 the basal fovese shallow, between them opposite to the scutellum 

 an indistinct groove ; scutellum triangular ; elytra nearly parallel 

 at the sides, and not broader than the prothorax in the female, 

 broader in the middle in the male, finely seriate-punctate, the 

 intervals without raised lines, the suture not elevated, the expanded 

 margins of nearly equal breadth at the sides, and a little reflected 

 at the edge ; body beneath and femora dark chestnut-brown^ 

 shining ; antennse, tibise, and tarsi paler" (Pascoe). 



Length (^), 7 lines, ($) 9 lines. 

 Hab. — Swan River. 



Section II. 



Form elongate or oblong-oval, the elytra more or less narrowly 

 margined. 



This section includes a large number of species differing 

 considerably in sculpture. The identification of them will be 

 simplified by classing them in sub-sections founded upon the 

 sculpture of the elytra. 



Sub-section I. 

 Elytra seriate-punctate, the interstices more or less costate, 



23. PTEROHELiEUS ELONGATUS, Macleay. 



Trans. Ent. Soc. N. S. Wales, II. 1872, p. 282. 



Oblong, oval, black, sub-opaque. Head transverse, punctate, 

 widened in front of the eyes, rounded at the anterior angles, and 



