CORYPIIOCERA VERSICOLOR. 207 



NOTE XXI. 

 DESCRIPTION OF A NEW CETONIID. 



BY 



OLIVER E. JANSON. 



Coryphocera versicolor, n. sp. 



Bright green, changing to olive-brown and deep red in 

 certain lights ; a small spot on the forehead piceous red , 

 thorax with a large triangular discal spot either entirely 

 black , or piceous with the angles red , sometimes with a 

 small green spot on each side at the base; elytra with a 

 large basal spot, partly or entirely divided by a green 

 stripe just within the humeral prominence, and a large 

 oblique spot on the apical half black; antennae, tibiae and 

 outer margin of the posterior coxae red, tarsi black or 

 piceous. 



Head rather coarsely but not very closely punctured, a 

 narrow central longitudinal ridge , flattened , slightly dila- 

 ted and free at its apex; clypeus impressed in front, the 

 apical margin strongly reflexed and slightly notched in the 

 centre. Thorax trisinuous at the base, rounded at the sides 

 with the anterior angles a little produced , very finely and 

 sparingly punctured on the disk , the sides rather coarsely 

 punctured. Scutellum impunctate. Elytra with some rows 

 of fine remote punctures towards the sides and apex and 

 an impressed row of coarse punctures next the suture be- 

 hind , the lateral margin towards the apex and the apical 

 margin slightly serrate, the suture elevated behind and 

 acute at the apex. Pygidium with coarse remote punctures , 

 the apical margin fringed with yellowish grey hairs. Be- 

 neath sparsely punctured, mesosternal process long, obtu- 

 sely pointed and slightly incurved at the apex; abdomen 



J^'otes from the Leyden MuseuLin, Vol. X. 



