600 NEW SPECIES OP AUSTRALIAN COLEOPTERA, 



M A L A C O D E R M I D ^. 



Trichalus Ray.mondi, n.sp. 



(^. Black, elytra red. Prothorax, scutellum and lower surface 

 shining. 



Head with the median line distinct; antennie not reaching to 

 the middle of the elytra, 1st joint half as long as 2nd, 2nd-9th 

 broad, gradually decreasing in length, 10th slightly longer than 

 9th; rostrum short, tinged with red at apex. Prothorax trans- 

 verse, slightly emarginate in front, trisinuate at base, the anterior 

 angles scarcely rounded, the posterior produced and somewhat 

 acute, the sides reflexed, a lanceolate impression on the disk 

 joined to the apex by a carina; minutely granulate at the apex. 

 Scutellum large, broader behind than in front, depressed in the 

 middle, emarginate at base and apex, the posterior angles 

 thickened. Elytra gradually widening to about a third from the 

 apex, with large quadrate punctures; the suture, lateral margin, 

 2nd, 4th and 6th interstices raised and thickened, the 1st dividing 

 into three at a third from the base, the central one raised and 

 thickened. Beneath minutely punctate; the abdominal segments 

 depressed at the sides, the penultimate deeply incised. Length 

 10, width 3 1 mm. 



Nab. — Mt. Kosciusko (Mr. W. E. Raymond). 



Trichalus auritus, n.sp. 



J". Black, sides of the prothorax and elytra red; elytra on the 

 disk more or less tinged with black. Head, basal joint of antennae, 

 disk of prothorax, scutellum, and lower surface shining. 



Head minutely punctate, 2nd-10th joints subequal in length 

 and very slightly diminishing in width, the 1st thick and giving 

 the head the appearance of having ears. Prothorax transverse, 

 slightly produced in the middle anteriorly, the base trisinuate, 

 posterior angles produced; the sides reflexed, highest behind the 

 middle; a deep lanceolate impression on the disk joined to the 

 apex by a short carina, and to the sides by a low ridge; the apex 



