204 REVISION OF THE AUSTRALIAN CURCULIONID^, 



Protlioracic carina strongly elevated on apical half, 



subobsolete on basal / uherovus, Pa,ac. 



Prothoracic carina narrow and regular throughout. 

 Autannffi dull brownish-red, eacii elytron with five 



tubercles monacJiUn, Pasc. 



Auteuuffi pale red, each elytron with four flattened 



tubercles snbplavatus, n.si^. 



Hexymus monachus, Pasc; Mast. Cat. Sp. No. 5417. 



Black, opaque; antenufe dull red, club and apex of scape darker, 

 apical half of rostrum highly polished. Upper surface moderately 

 densely clothed with small and moderate scales, uniform in colour 

 but varying in different specimens from slaty to sooty or ferru- 

 ginous-brown. Under surface more densely clothed than upper 

 and with elongate paler scales scattered about, a feeljle stripe 

 continuous from mesosternum to apex of abdomen, visible to the 

 naked eye but confuted with a lens ; femora with a few pale 

 scales towards apex; head and basal half (or third) of rosti'um 

 densely squamose. Ciliation silvery-yellow, moderately short. 



Head with ocular fovea distinct; shallowly punctate, punctures 

 concealed. Rostrum longer than prothorax, narrow, strongly 

 curved, a feeble carina commencing at base and terminating 

 before insertion of antennte (more distinct in ^ than in 5); apical 

 half moderately strongly punctate in $, sparsely and minutely in 

 5. Antennae long; scape inserted one-third from apex of rostrum 

 and passing for one-third its length in (J, in 9 inserted two- 

 fifths from apex and just passnng; 2nd joint of funicle twice the 

 length of 1st and the length of 3rd-5th combined and slightly 

 longer than club. Prothorax irapunctate, with a distinct, narrow, 

 shining, median carina, continvious and regular from base to 

 apex; with several obtuse tubercles or slight swellings of which a 

 modei-ately distinct one is on each side near carina and nearer 

 base than apex. Elytra at base wider than prothorax, widening 

 to beyond the middle, basal half somewhat flattened and with 

 precipitous sides ; each with five moderately large elongate 

 tubercles, two on the 3rd, two on the 5th interstices, and one on 

 the 4th intermediate in position ; strongly seriate-punctate, 



