306 CHBYSOMELID^E. 



base of antennae metallic blue, rest purplish ; labrum piceous ; 

 palpi fulvous, apical joint piceous ; antennae black, half the length 

 of body, basal four joints fulvous, third and fourth equal. Thorax 

 twice as broad as long, sides obliquely narrowed in front, angulate 

 behind the middle ; disc rather convex, finely and not very closely 

 punctured, sides scarcely more strongly or closely punctured. 

 Elytra subquadrate, distinctly transversely depressed below base, 

 extreme lateral margins blue ; puncturation fine and regular near 

 the suture, coarse and close at the sides ; an obsolete short costa 

 below shoulders. Posterior femora with a small tooth. 



Length 4| mm. 



Hub. Burma : Karennee. Type in Genoa Mus. 



Distinguished by the purplish coloration, evenly and finely 

 punctured thorax, and its convex shape. 



526. Nodostoma convexicolle, sp. n. 



Violaceous or metallic green ; basal joints of antennae and 

 labrum fulvous ; abdomen black. 



Oblong. Head closely and strongly subpunctate-rugose, vertex 

 longitudinally strigose ; clypeus deeply concave-emarginate : an- 

 tennae black, basal three joints fulvous, basal joint black above, 

 second to fourth gradually lengthened, terminal joints elongate. 

 Thorax about twice as broad as long, sides distinctly angulate near 

 base, strongly obliquely narrowed in front, anterior sulcus deep 

 and entire ; surface convex, closely and finely punctured, punctures 

 of equal size, evenly distributed. Scutellum oblong, black. Elytra 

 convex, narrowed at apex, deeply transversely depressed below 

 base, strongly and regularly punctate-striate, the punctures closely 

 placed ; shoulders very prominent. Legs black, femora with a 

 minute tooth ; flanks of thorax smooth, with a few oblique strigae. 



Length 6|-7| mm. 



Hab. Assam' (Coll. Brit. Mus.). 



One of the largest species of the genus, which besides its size 

 may be known by the rugosely punctured head and convex surface 

 of the thorax ; these seem to be males : whether two bright 

 metallic-green female specimens of larger size, with a shorter and 

 more transverse thorax, metallic legs and stronger femoral teeth, 

 are the other sex of this species is doubtful, they agree, however, 

 in every other detail with the violaceous form ; their locality is 

 simply marked " India or." 



527. Nodostoma bhamoense, Jac. Ann. Mus. Civ. Genom, xxxii, 1892, 



p. 896. 



c? . Dark blue ; basal four joints of antennae fulvous ; abdomen 

 black ; tibiae dark piceous. 



Head and clypeus strongly punctured, the punctures more 

 sparse in the middle, the latter with a short longitudinal groove, 

 anterior edge of clypeus deeply subtriangularly ernarginate; 



