494 



CHBYSOMELIDJE. 



reaching to the base of the elytra or slightly beyond, fifth and 

 following joints gradually widened, terminal joints very broadly 

 dilated. Thorax nearly twice as wide at base as anteriorly, lateral 

 margins feebly rounded, surface very coarsely and irregularly 

 punctured. Elytra subcylindrical, the base barely transversely 



Fig. 168. Coryvodcs peregrinus. 



depressed, the punctures crowded but more regularly arranged in 

 rows near the suture and nearly as large as those of the thorax. 

 Claws bifid. 



$ . Has rather shorter antenna) and a more conical-shaped 

 thorax as a rule, and the puucturation on the latter varies a good 

 deal, although it is always deep. 



Length 9-12 mm. 



Hob. India; Ceylon; Burma; Siam ; Malacca. 



An abundant species ; distinguished by the strong puncturation 

 of the thorax and elytra, and very similar to (7. mouhoti, Baly, but 

 with bifid not appendiculate claws. 



856. Corynodes amethystinus, Marshall, Journ. Linn. Soc., Zool. viii, 



1865, p. 35. 

 Corynodes andrewesi, Jac. Ann. Soc. Ent. Belg. xxxi, 1895, p. 281. 



Violaceous-blue. Head not swollen at vertex, coarsely but not 

 very closely punctured ; the clypeus slightly rugose, slightly sepa- 

 rated from the face by three small smooth tubercles ; supraocular 

 sulci narrower and less deep than in the majority of species ; 

 antennae purplish, with a broad six-jointed club, the basal joints 

 nearly black, shining, basal joint bluish. Thorax about half as 

 broad again as long, subquadrate, the sides rounded and widened 

 at the middle, the disc sparingly and deeply punctured, the punc- 

 tures nearly absent at the base and at the sides, the angles not 



