BY THOMAS G. SLOANE. 581 



Tribe LICININI. 



Genus P h y s o l e s t h u s. 



Physolesthus ruficollis, n.isp. 



Depressed, Ifevigate; mentum edentate, labial palpi securiform. 

 Elytra black, nitid ; head black, mandibles reddish-piceous, 

 labrum pale testaceous ; prothorax reddish ; abdomen piceous- 

 black, shining; legs and palpi testaceous. 



Head wide, depressed between eyes, not narrowed behind eyes;, 

 front with a ridge extending on each side from eyes to base 

 of mandibles ; eyes large, prominent. Prothorax transverse 

 (l"6x2 mm.), depressed, widest before middle (at anterior 

 marginal seta), wider between posterior than between anterior 

 angles ; sides lightly and roundly narrowed antei'iorly ; more 

 lightly and obliquely so posteriorly ; apex lightly emarginate ; 

 anterior angles wide, obtuse; base truncate in middle, sloping- 

 forward on each side; posterior angles obtuse, a little marked; 

 lateral margins reflexed, explanate near posterior angles; a shorty 

 wide, strongly marked impression on each side of base; median 

 line strongly impressed. Elytra depressed (4'5 x 3 mm.), lightly 

 striate; interstices depressed, second wider and with an elongate 

 .striole near base, third finely bipunctate along course of second 

 stria, ninth seriate-punctate. Length 7 "5, breadth 3 mm. 



Hah.: N. S. Wales — Mulwala (Sloane ; a single specimen 

 harbouring from flood waters of Murray River under loose bark 

 of a red gum tree). 



Differs from other species of the genus by its red prothorax. 



Tribe ODACANTHINI. 

 Genus E u d a l i a. 



EUDALIA NIGER, n.sp. 



9- Upper surface setigero-punctate, under surface punctate- 

 glabrous. Head Ifevigate, sparsely setigero-punctate, widely 

 dilatate across eyes, neck condyliform ; prothorax subcylindrical 



