294 Longicornia Malayana. 



Monochamus tar sails. 

 M. brunneus, dense pubescens, griseatus; scapo apicem versus 

 modice incrassato; scutello transverse ; elytris fusco-irroratis, 

 versus suturam sub-seriatim punctatis, apicibus rotundatis ; 

 femoribus medio incrassatis, tarsis cinereis. 

 Hab. — Singapore. 



Pale reddisli-brown, having a short close dull-greyish pubes- 

 cence with numerous small brown blotches on the elytra ; head 

 and prothorax sparingly punctured, the vertex impunctate; scu- 

 tellum transverse, yellowish ; elytra towards the suture sub-seriate 

 punctate, apices rounded ; body beneath and legs with a thin 

 greyish pile; femora short and thickened in the middle; tibiae 

 with a pale yellowish tinge ; tarsi ashy ; antennae testaceous- 

 brown, with a thin greyish pile, the scape gradually thickened 

 upwards to within a short distance of the apex. 

 Length 8 lines. 



This is one of the most distinct of the species here described, 

 and will be at once recognized by its transverse scutellum ; the 

 coloration will probably be variable. 



Monochamus productus. 

 M. piceus, supra pube grisea interrupta tectus ; prothorace 

 postice vage punctato, disco sub-bituberculato ; elytris maculis 

 glabris dispersis, apicibus oblique truncatis. 

 Hab. — Bouru. 



Pitchy, the pubescence on the elytra dotted with numerous 

 partially glabrous spots ; in other respects this species resembles 

 the preceding, but the prothorax has larger and more dispersed 

 punctures and two flattish tubercles on the disk, the scutellum 

 is more triangular, and the apices of the elytra are more decidedly 

 truncate ; in the male the antennae are three times, in the female 

 twice the length of the body. 

 Length 13 lines. 



Monochamus musivus. 

 Pascoe, Proc. Zool. Soc. 1866, p. 251. 

 M. fuscus, pube densa brunnescente tectus ; elytris sparse 

 albido- vel cinereo-irroratis ; scutello pallide griseo, apice 

 rotundato ; elytris apicibus rotundatis vel fere sub-truncaiis ; 

 scapo modice elongato, obconico. 

 Hab. — Malacca, Borneo, Tondano. 

 Dark, pubescence varying from pale brownish-ochre to dark 



