704 



HKTEROMERA, tfec, FROM TROPICAL AUSTKAMA, 



form, being less wide and oval than .S'. Icp.vicollis or ^S*. intricatus. 

 Types in the National Museum, Melbourne. 



iV^o^e, — Mr. K. G. Blair, in his very useful paper "On the 

 Fabrician types of Tetiebrionidcn in the Banks Collection'' (Ann. 

 Mag. Nat. Hist., 1914, p. 486) has already pointed out that 6\ 

 IfBvicollis F., is probabh' *S^. reliculalns Haag, and that the Tas- 

 manian and southern insect commonly so called should be known 

 as /6'. costatns ISol. 



Onosterrhus ooldknsis, n.sp. 



Elongate-ovate, very convex, black, pronotum and underside 

 nitid, head and elytra dull black: antennae, oral organs, and tarsi 

 reddish, the apical joints of the first distinctly red. 



Head: epistoma straight in front, sinuate at junction with 



canthus, with two elongate depres- 

 sions within apical border; canthus 

 widely rounded and horizontal ; 

 surface without perceptible punc- 

 tures, last joint of maxillary palpi 

 subtriangular (or narrowly securi- 

 form), antennai with joint 3 as long 

 as 4-5 combined, 1-7 obconic, 8-10 

 widely ovate, 11 ovate and longer 

 than 10. Proihorax 7x10 mm. 

 (length measured in middle), widest 

 behind middle, base half as wide 

 again as the apex, arcuate-emargin- 

 ate at apex, anterior angles very 

 acute, produced obliquely outwards 

 and raised in front of eyes, sides 

 Text-tig. 1. rounded, slightly narrowed behind, 



Onosttrrhm ooldensis, n.sp. more strongly so anteriorly, base 



truncate in middle, oblicjue near sides, posterior angles sharp 

 and obliquely produced outwards and downwards, extreme 

 margin ci^nvex, thick, widened at posterior angles and narrowed 

 to meet the narrower apical border, basal margin narrowly 

 raised; disc impunctate, convex, widely depressed at margins 



J 



