576 STUDIES IN AUSTRALIAN ENTOMOLOGY, NO. IX., 



elytra truncate-cordate, fiiiel}'^ striate, third interstice 3-punctate 

 along course of third stria, humeral angles dentiform; episterna 

 of metasternum short. Piceous-brown, femora and basal joints of 

 antennfe testaceous. 



Head smooth, clypeal suture distinct; eyes convex, prominent. 

 Prothorax convex (1"6 x 2 '3), smooth; sides I'ounded, strongly 

 roundly narrowed anteriorly, lightly obliquely so posteriorly (some- 

 times subsinuate just before base) ; apex lightly emarginate ; 

 anterior angles obtuse, not pi'ominent; base truncate, angles sub- 

 rectangular, obtuse at summit ; lateral margins explanate near 

 basal angles; lateral border equal, i-ather wide, reflexed; inner 

 basal impressions short, linear; space on each side between these 

 impressions and basal angles depressed; external basal impression 

 often obsolete, if present shallow, foveiform; median line fine. 

 Elytra short (4x3 mm.), convex, lightly declivous to base on each 

 side of peduncle; sides rounded; base truncate; humeral angles 

 shortly dentate; apical curve obsoletely sinuate on each side; 

 striole at base of second interstice very short or obsolete, rising 

 from a punctiform impression. Length 6-6*8, breadth 2*5-3 mm. 



Hah. : N.S. Wales — Urana, Junee, Narrandera and Grenfell 

 (Sloane). 



Very closely allied to S. niandibularis, SI., from which it differs 

 by its smaller size; smaller head with mandibles less heavy and 

 evenly rounded on outer side, eyes more prominent; posterior 

 angles of prothorax less marked. It differs from ii. (eneipennis, 

 Chaud., and .S". fortnumi^ Casteln., b}^ the same features as S. 

 mandihularis, 81.: and from •S'. leai, 81., by the frontal impressions 

 obsolete; margin of prothorax narrower; posterior angles less 

 :>btuse; elytra not so short and broad, etc. 



Genus P e d i o M o R p h u s. 



Table of Species. 



A. Prothorax not punctate near base, except in 

 basal impressions. 

 h. Elytra piceous, prothorax and head reddish- 



piceous . . P. planiuscultis, Chaud. 



