134 



Head excavated and channelled, regularly not densely 

 punctate. Prothorax unusually short, moderately convex, 

 arcuate at apex, Insinuate at base ; widest at base, the sides 

 converging in a feebie curve (a little sinuate near front) to 

 apex, all angles distinctly produced and acute, the anterior 

 markedly so; disc nitid, sparsely punctate, without any medial 

 depression or line, with a medial basal fovea. Scutellum 

 cordate, depressed in middle. Elytra slightly enlarged 

 behind shoulders and again behind the middle, posterior 

 margins entire, apices finely bispinose, exterior spine more 

 prominent; punctate-striate, all intervals convex and finely 

 punctate, the alternate intervals costate. Underside moder- 

 ately closely punctate and nearly glabrous. Dim., 11x4 mm. 



Hah. — Southern Queensland: Duaringa, Brisbane (A.. 

 M. Lea). Type in Macleay Museum. 



Two specimens examined belong to a species closely allied 

 to cri/ihroptera , Boisd., but differing as follows: — 



S. erythroptera. S. acuticollis. 



Prothorax subbulbous, sides Lightly convex, widest at 

 rounded, surface subo- base, surface nitid and 



paque, densely and finely sparsely punctate, without 



punctate, with deep ceii- medial depression, angles 



tral depression, angles acute, 



wide. 

 Elytra, three costae on each, Three costae on each, less 



interspaces flat, posterior strongly raised, with in- 



margins serrated. termediate intervals also 



convex, posterior margins 

 entire. 

 Surface above and below Finely and more sparsely 

 densely punctate. punctate. 



In subpiira, Blackb., the intervals are nearly fiat and 

 posterior margins serrated. 



Stigmodera titanta, n. sp. 

 PI. x., fig. 32. 

 Narrowly elongate-oblong. Head, antennae, prothorax r 

 scutellum, underside, and legs brilliant greenish-bronze, 

 margins of prothorax with wide pear-shaped yellow markings- 

 narrowing to the apex, the widened part not quite reaching 

 the base, and produced widely on the prothoracic episterna : 

 elytra testaceous with the following markings blue-black, the 

 base connecting with a large oval spot covering the humeral 

 region, a straight postmedian fascia extending to the sides, 

 deeply trifid on its anterior, less deeply so on its posterior 

 margin and the apex, the last with a straight anterior margin 



