Longicornia Malayana. 295 



cliesnut-brown, spotted on the elytra with whitish or ashy; face 

 with a few scattered punctures, tlie vertex impunctate; prothorax 

 sparingly punctured, the punctures confined to the basal half; 

 scutellum subscutiform, rounded at the apex ; elytra rather 

 finely punctured, the apices rounded or sometimes slightly sub- 

 truncate ; body beneath ochreous or ochreous-grey ; legs and 

 antennae varying from ochreous-grey to ashy, the latter more than 

 twice as long as the body. 

 Length 7—13 lines. 



Monochamus variolaris. 

 M. brunneus, pube densa grisea tectus ; scapo spinam prothoracis 

 attingente ; elytris angustis ( ^ ), vage punctatis, humeris 

 paulo productis, apicibus fere I'otundatis. 

 Hab. — Dorey, Mysol. 



Reddish-brown, with a close grey pubescence varying according 

 to the light, and having a spotted appearance; face with a few scat- 

 tered punctures, a few also on the vertex ; prothorax with few 

 punctures ; elytra narrow in the male, produced at the shoulder, 

 ratlier remotely punctured, the apices nearly rounded ; body be- 

 neath and legs with a thinner pubescence ; antennae brownish- 

 testaceous, finely pubescent, the scape elongate, extending to the 

 spine of the prothorax, contracted a little below the apex. 

 Length 9 lines. 



Monochamus litigiosus. 



M. piceus, dense griseo-pubescens; scapo spinam prothoracis 

 attingente ; elytris fusco-nebulosis, humeris vix productis, 

 apicibus oblique sub-truncatis. 



Hab. — Aru. 



Pitchy-brown, with a close greyish or ashy opake pile ; few 

 punctures on the face, more on the vertex, which has a slight 

 golden hue ; prothorax sparingly punctured ; elytra rather re- 

 motely punctured, scarcely produced at the shoulders, the apices 

 sub-truncate, blotched with brown, especially in the middle ; body 

 beneath and legs with a close ochreous-grey pubescence ; antennae 

 testaceous-brown, finely pubescent, the scape elongate, extending 

 to the spine of the prothorax. 



Length 9 — 10 lines. 



The longer scape distinguishes this species and the preceding 

 from their congeners. Between themselves they are at once diff'e- 



