276 REVISION OF THE AUSTRALIAN SPECIES OF ADELIUM, 



44. Size smaller, pronotum canaliculate A. canaliculatum Carter. 



Colour lighter. 



45. Prothorax subangulate A. pestiferum, n.sp. 



Colour violet-bronze. 



46. Form depressed and elongate...., A. subdepression, n.sp. 



Subsection D. Antennae shorter, generally not reaching beyond base of 

 prothorax in the female; size smaller; third joint of antennse less than 

 fourth and fifth combined; elytra striate-punctate; intervals flat. 

 Colour bronze. 



47. Short broad form, intervals of elytra with regular shallow 



impressions A . abbreviatum Boisd. 



A. impressum Blanch. 



Var. more robust, prothorax more convex A. latum Pasc. 



Colour dark bronze. 



48. More slender; prothorax evenly rounded at sides, with 



rounded hind angles; elytral punctures regular 



A. brevicome Blessig. 

 A. neophyta Pasc. 

 ?A. virescens Boisd. 

 Colour black. 



49. Elytra more parallel A. regulare Lea. 



50. More coarsely punctate than 48, with elytral intervals more 



convex A. inconspicuum Blackb. 



Colour black or pitchy brown. 



51. Size small, base of pronotum obliquely foveate 



A. tasmanicum Champ. 

 Colour bronze. 



52. Form narrow, sides of prothorax subparallel, disc smooth... 



A. eommodum Pasc. 



53. Near 51, with elytral intervals nodulose A. nodulosum Champ. 



54. Antennse subclavate, elytra subparallel and glossy 



A. orphana Pasc. 



Adelium barbatum, n.sp. 

 (Plate iii., fig.l.) 



Truncate-ovate, moderately convex, shining ; black with a 

 bluish tinge, antennse and tarsi piceous, abdomen black; upper 

 surface and legs clothed with short upright black hairs. 



Head : labrum round, salient and hirsute; epistoma and front 

 densely and rugosely punctate. Eyes large. Antennae stout and 

 moderately long, third joint equal to fourth and fifth jointly. 





