DESCRIPTIONS OF TWO NEW SPECIES OF 

 AUSTRALIAN CETONIIDugS. 



By Oliver E. Janson, F.E.S. 

 (Cmnmunicated by A. Sidney Olliff, F.E.S.) 



DiAPHONIA OLLIFFIANA, n.sp. 



(J. — Above pale yellow, shining ; base of the head black, the 

 yellow extending posteriorly in the centre to a point, two very small 

 spots near the apex of the clypeus black ; antennae red-brown, the 

 basal joint black ; thorax with a large broad M-formed discoidal 

 mark, a small spot on each side and a narrow border at the base 

 and apex black ; scutellum margined with black at the sides ; 

 elytra with five large black spots on each, the first on the humeral 

 callus, the second adjoining the scutellum, the third and fourth 

 placed transversely just behind the middle, and the fifth on the 

 apical callus ; pygidium with a large central and two smaller spots 

 at the base, a spot on each side in the middle, and a sinuous 

 marginal mark on the underpart black. Beneath black, shining; 

 centre of the mentum, sides of the pro thorax, front of the anterior 

 coxae, outer parts of the meso- and metathoracic epimera and 

 posterior coxae, sides and front of the metasternum, apex ot the 

 intermediate coxae, a spot on the posterior coxal plates, and a broad 

 stripe in the centre, and a spot on each side of the abdominal 

 segments pale yellow. Legs reddish-yellow, the trochanters, knees, 

 ends of the tibiae and tarsal joints, and the claws piceous. 



Head sparsely punctured at the base, coarsely and more closely 

 punctured in front, sides of the clypeus rounded and narrowed in 

 front, the apex emarginate in the centre, the apical angles obtuse 

 and somewhat reflexed ; club of the antennae a little longer than 



