1866.] MR. F. P. PASCOE ON THE COLEOPTERA OF PENANG. 519 



Pachyteria speciosa. (PI XLIII. fig. 5.) 



P. subglabra, coccinea, nitida ; capite dimidio apicali, elytris et 

 corpore infra viridi- vel cyaneo-chalybeatis ; pedibus atris ; 

 antennis flavis, articulis duobus basalibus luteis. 



Nearly glabrous, shining ; head -dark metallic green, closely and 

 finely punctured ; lips luteous ; mandibles and eyes black ; pro- 

 thorax bright scarlet, sharply sulcated anteriorly, closely punctured, 

 the punctures more or less confluent, the intervals, especially at the 

 sides, thrown up into well-marked transverse corrugations, sides 

 rounded and with a short tooth-like angle in the middle ; scutellum 

 black, narrowly triangular ; elytra with the basal half bright scarlet, 

 the rest dark metallic green, closely punctured, gradually tapering 

 from the base, the apices narrow, slightly dehiscent, and subtrun- 

 cate ; body beneath glossy bluish or greenish ; legs black ; antennae 

 lemon-yellow, the two basal joints luteous. Length 12 lines. 



Pachyteria lambii. (PI. XLIII. fig. 6.) 



P. subglabra, subnilida ; prothorace rvfo ; elytris subflavis, 

 dimidio apicali pedibusque viridi- vel chalybeato-nigris ; an- 

 tennis subjlavis, articulis quatuor basalibus nigris; corpore 

 infra violaceo. 



Nearly glabrous, subnitid ; head dark green, thickly punctured ; 

 lip and mandibles dark glossy brown ; eyes black ; prothorax dull 

 red, slightly sulcated anteriorly, closely punctured, the disk corru- 

 gated laterally, sides with a strong tooth-like angle ; scutellum black, 

 narrowly triangular ; elytra lemon-yellow on the basal half, the rest 

 black with a greenish tint, closely punctured, the dark posterior half 

 very minutely, gradually tapering from the base, the apices some- 

 what narrow and slightly dehiscent ; body beneath and legs dark 

 blue- or violet-black ; antennae lemon-yellow, the four basal joints 

 black. Length 10 lines. 



Pachyteria virescens. (PI. XLIII. fig. 2.) 



P. subglabra, viridi- met allica ; prothorace late rufo-brunneo ; an- 

 tennis f avis, articulis quinque basalibus, scapo excepto, nigris. 



Nearly glabrous, bright metallic green ; head closely punctured ; 

 mandibles black ; prothorax of a rich chocolate-brown colour, doubly 

 sulcated anteriorly, with well-marked transverse corrugations over 

 the entire disk, the intervals finely punctured, the sides strongly 

 angulated, the angle terminating in a short tooth ; scutellum nar- 

 rowly triangular ; elytra gradually narrowing from the base, finely 

 punctured throughout, the apices rounded ; body beneath and legs 

 glossy metallic green ; antennae with the scape dark green, the 

 four succeeding joints black, the remainder lemon-yellow. Length 

 14 lines. 



Pachyteria spinicollis. (PI. XLIII. fig. 4.) 



P. hirsuta, brunneo-lutea ; capite prothoraceque ceneo-fuscis, hoc 



