612 REVISION OP THE AUSTRALIAN CURCULIONID,E, xi., 



Rostrum rather short and stout, slightly curved. Antennce rather 

 long and thin; scape inserted much closer to apex than base of 

 rostrum, the length of funicle; funicle with the first two joints 

 elongate; club elliptic-ovate, moderately long. Prothorax strongly 

 convex, apex moderately produced, base truncate, ocular lobes 

 subobtuse. Scutellum absent. Elytra strongly convex, raised 

 (but not suddenly) above prothorax, widest near shoulders, thence 

 strongly lessened to apex. Pectoral canal deep and moderately 

 wide, terminated between four anterior coxae. Mesosternal re- 

 ceptacle strongly raised, sides thin except at base, emargination 

 semicircular; slightly cavernous. Metasternum very short (scarcely 

 half the length of the following segment); episterna narrow. 

 Abdomen rather narrow, sutures distinct; first segment moder- 

 ately large, raised above and so obscuring second that, although it 

 is slightly larger than either of the two following, it appears to be 

 smaller, third and fourth combined slightly less than fifth. Leys 

 moderately long; femora not very stout, grooved and edentate; 

 tibiae compressed, angularly joined to femora, four posterior with 

 a laminate extension on upper edge towards base; tarsi slightly 

 shorter than tibiae, third joint not very wide, deeply bilobed; 

 claws small. Elliptic, strongly convex, polished, apterous. 



Allied to Ampagia and Idotasia; from the former, it is sepa- 

 rated by the abdomen and legs; and from the latter, by the 

 antennae, metasternum, abdomen, and legs; the tibiae are faintly 

 reminiscent of Psepholax. 



Ampagiosoma convexum, n.sp. 



Piceous-black, upper surface with a very feeble bluish irides- 

 cence ; front of prothorax, rostrum, and legs piceous-brown ; 

 antennae red. Upper surface sparsely and irregularly clothed 

 (denser at apex and base of prothorax and base, middle, and 

 suture beyond middle of elytra than elsewhere) with scales vary- 

 ing from white to a dingy orange. Under surface and legs rather 

 densely clothed, intermediate femora with a feeble ring of white 

 scales, posterior femora with either two apical rings or a large 

 apical patch of whitish scales; pectoral canal with large soft 

 scales. 



