67 



before tlie middle. nanowly marginale as well as tlie anterior 

 and basal margin, tlie surface irregularly and subremolely 

 punetured, the margins with a row of vStronger punctures, 

 scutellum ratlier longer than broad, elytra elongate, much 

 broader than the thorax, very strongly and closely rugose 

 punctate, the interstiees wrinkled and ^paringl) clothed with 

 greyish hairs towards the apex, the sides with a narrow biit 

 strongly vaised costa not extending to the base nor apex. 



Hab. Siam. 



Of this species, much distiuguished by the eiitirely rugose 

 surface of the elytra five specimens are contained in my 

 collection. 



Chrysochus siamensis sp. n. 



Metallic green, the ba8e of the head purplish, thorax 

 coarsely punetured, with a round purplish spot on the disc, 

 elytra strongly und closely punctate-striate, the suture poste- 

 riorly, the lateral margins and a broad transverse band before 

 the middle, purplish. 



Length 'S^l.^ — Jij^ lines. 



Head strongly and closely punetured, the upper half 

 purplish, the lower one metallic bright green, the middle 

 with a longitudinal short groove, cly])eus not separated from 

 the face, more coarsely punetured, labrum fulvous, antenuae 

 black, the lower four joints fulvous, the basal Joint metallic 

 gi*een above, tliird Joint longer than the fourth, terminal 

 joints slightly widened, not extending to the middle of the 

 eh'tra. thorax twice as broad as long, of equal width, the 

 sides slightly lounded at the middle, straight at the base, the 

 disc convex, very strongly and rather closely punetured, 

 metallic green or brassy.^ the middle with a large purplish 

 patch, scutellum purplish, elytra very closely and rather 

 strongly punctate-striate, the punctures stronger at the sides 

 below the base, the suture from the middle to the apex with 

 a narrow posteriorly gradually widened purplish band, the 

 lateral margin broadly of the same colour and a similar band 

 placed transversely oblique before the middle and widened 

 towards the sides: the breast and legs metallic green, Ihc 

 base of the femora and the ubdomen purplish, claws bitid, 

 anterior margin of the thoracic episternum convex. 



Hab. Siam. 



Two specimens of this very handsome species are 

 contained in my collection, in one the elytra are of a more 

 cupreous tint. 



Sietf. eutomol. Zeit. 1895. 5* 



