BY H. J. CARTER. 123 



punctate," while the latter has its prothorax similarly diflferen- 

 tiated as to sculpture, witli the elytral punctures small except 

 near the sides. 



PTEROHEL.EUS NODULOSUS n.Sp. 



Elongate, subparallel, flattish, opaque rusty-black above, nitid 

 below, underside of tarsi and terminal joints of anteilnae reddish. 



Head and pronotum densely and finely shagreened, base of 

 forehead showing a number of minute shining nodules densely 

 packed; epistoma truncate in front, sides oblique, little raised at 

 the antennal orbit, without definite limiting suture; eyes widely 

 separated and transverse, antennae much shorter than prothorax, 

 stout, hairy, third joint subcylindric, shorter than the two 

 following combined, 4-7 successively shorter and wider, 8-11 

 nearly globular, 11th little longer than lObh. Prothorao: (3x7 

 mm.) length in middle, width at base, apex semicircularly 

 emarginate, sides regulai'ly rounded and securiform, wider at 

 base than apex, anterior angles prominent but widely rounded, 

 posterior angles produced backward and acute (about 75°), base 

 bisinuate, margins wide but not differentiated from disc, surface 

 uniformly rough, not punctured, and sparsely clad with short 

 reddish hair, no central line. Scutellum equilateral triangular, 

 rough. Elytra (8 x lO-Smm.) each with three well marked 

 interrupted costai extending the greater part of length, nodulose 

 tov/ards apex, with intermediate rows of nodules less conspicuously 

 raised but evident, the suture itself nodulose; surface coated 

 sparsely with short brown down, and, like the pronotum, with 

 short reddish hair thinly scattered; without evident punctures. 

 Underside of head, prothorax, and femora shagreened; prosternum 

 flat, abdomen thickly and coarsely punctured, tibise densely 

 bristled. Dimensions 15 x 8mm. 



Hah. — Roper River, North Australia. 



A single specimen, probably 9, iti the Macleay Museum. It 

 is clearly distinct from all described species, though neare.st to P. 

 crenulatus Macl., (from Port Darwin). It is evidently much 

 larger than Macleay's species, which is separated from it by its 



