Longicornia 3Ialayana. 211 



this is one of those genera in which the lateral tooth seems to be 

 only of specific importance, as it varies from a mere point to a 

 well-marked spine. Ail the species have the elytra granulate at 

 the base, and the punctures rapidly disappearing towards the 

 apex. The females as usual have fuller and more parallel elytra, 

 with antennae rarely more than a half as long again as the body, 

 while in the males they are often more than three times as long. 



Pelargoderus vittatus. 

 Serville, op. cit, p. 73. 



P. nigrescens, pube subtilissima tectus ; elytris vitta pubes- 

 cente grisea a humeris usque ad apicem. 



Sah. — Bouru (and Java). 



Blackish, apparently glabrous except the stripes on the elytra, 

 but in reality covered with an extremely short, loose pubescence 

 scarcely distinguishable in colour from the derm ; head finely 

 punctured ; prothorax slightly corrugated, the lateral tooth re- 

 duced to a point ; elytra with a few granules on the base, finely 

 and rather distantly punctured, a greyish densely-pubescent 

 stripe extending from the shoulder to the apex ; body beneath 

 slightly nitid, and with the legs and antennae blackish. 



Length 14 lines. 



The only species with a long grey stripe. 



Pelargoderus Arouensis. 

 Rhamses Arouensis^ J. Thomson, Arch. Ent. i. 446, pi. xvii. 



fig. 8. 

 P. fuscus, sparse griseo-pubescens, macuHs flavescentibus in- 

 distinctis irroratus ; prothorace utrinque obsolete dentate ; 

 elytris pone medium plaga fusca obliqua, apicibus angulatis. 

 Hab, — Aru. 



Brown, with a short irregular greyish pubescence indistinctly 

 speckled with fulvous, and behind the middle of each elytron a large 

 oblique dark brown patch, sometimes nearly obsolete ; prothorax 

 with a very small tooth on each side ; scutellum with a smooth 

 stripe in the middle ; each apex of the elytra terminating in an 

 obtuse angle ; body beneath and legs speckled as on the upper 

 surface. 



The angular apices of the elytra and the nearly obsolete 

 prothoracic tooth are together peculiarly characteristic of this 

 species. 



Length 16 lines. 



