BY ARTHUR M. LEA. 263 



bisinuate; with dense, round, cleanly cut punctures almost entirely 

 concealed. Scutellum small and round, punctures concealed. 

 Elytra subcordate, considerably wider than prothorax, shoulders 

 rounded; punctures and interstices as in the preceding species. 

 Mesosternal plate rather larger and less depressed than usual. 

 Intermediate segments of ahlomen straight, their combined length 

 more than that of 2nd or 5th; 5th with a distinct circular impres- 

 sion. Jemorrt stout, all acutely dentate. Length 3^, rostrum 1^; 

 width 2 mm. 



jjdl^ — S. Australia (Macleay Museum). 



The scales have a peculiarly soft, round appearance on both the 

 under and upper surfaces. 



Lyb^ba tantilla, n.sp. 



Of a rather pale red. Head with yellowish scales continued 

 on to basal third of rostrum, vertex with an obscure sooty spot; 

 prothorax and elytra with yellowish scales, the latter with a 

 distinct but very irregular basal fascia of chocolate-brown scales, 

 behind which is a much smaller and less distinct fascia of white 

 scales; scutellun with white scales. Under surface and legs with 

 sparser and paler scales than on upper surface. 



Rostrum parallel-sided, moderately curved ; rather densely 

 punctate; with a moderately distinct median ridge to antennfe. 

 Prothorax transverse, apex more than half the width of base, 

 base feebly bisinuate; punctures almost concealed. Sc^delJnm 

 small and round. Elytra wide, cordate, considerably wider than 

 prothorax, shoulders squared; punctate-striate, punctures narrow 

 and scarcely traceable; interstices wide, flat and very much wider 

 than strife. Metasternum and basal segments of abdomen feebly 

 depressed; intermediates straight, their combined length slightly 

 more than that of 2nd or 5th. Anterior femora edentate, the 

 others acutely dentate. Length If, rostrum i; width 4 mm. 



Hah. — S. Australia (Macleay Museum). 



The smallest Australian species of the subfamily hitherto 

 described. 



