200 



CERAMBYCIDjE. 



10. Rhinotragus trilixeatus, n. s. B.M. 



R. flavus; antennis, capite, thoracis maculis duabus dorsalibus, 

 lineis tribus elytrorum, una suturali, pedibus femorumque basi 

 exceptis, abdomine apice, nigris. 

 Long. lin. 5-5-|. 



Antennas black, the five apical joints slightly yellow at the 

 base, third joint elongated, somewhat bent; head with impressed 

 lines and points, black, with an elongated yellow spot between 

 the antennas ; palpi yellow. Thorax yellow, longer than wide, 

 coarsely and distinctly punctured, with a smooth line down the 

 middle not extending to the hind margin ; two large black dorsal 

 spots, sometimes connected with the black frontal margin : scu- 

 tellum yellow. Elytra gradually attenuating towards the apex, 

 which is abruptly truncated ; the elytra and sides are thickly mar- 

 gined : each elytron has a broad black band extending from the 

 shoulder to the apex ; the outer margin is yellow to a point be- 

 yond the middle ; the suture from behind the scutellum is nar- 

 rowly edged with black; each elytron is depressed down the 

 middle and of a pale yellow colour. Under side jellow; abdomen 

 with the sides of the basal segments with delicate golden hairs, 

 the last three segments and the apex of the fourth black : legs 

 black, base of femora yellow ; inside of anterior femora yellow ; 

 tips of femora coarsely punctured. 

 Hab. Amazon (Tapayos) (Coll. W. B. Bates). 



11. Rhinotragus molorchoides, n. s. B.M. 



R. gracilis, luteus ; capite, thoracis macula magna irregulari trans- 

 versa, elytrorum margmibus nigris ; antennis nigris, segmentis 

 8 ultimis basi pallidis ; elytris vitreis. 

 Long. lin. 3|. 



Head black, face with many silken incumbent hairs ; antennas 

 black, the last eight segments with the base of each pale yellow. 

 Thorax longer than wide, with a large transverse black mark in 

 the middle, notched in the middle in front, and doubly notched 

 behind, the mark is coarsely punctured : scutellum black ; elytra 

 somewhat shorter than the abdomen, pale, vitreous, a marginal 

 line black, punctured, extending from behind the shoulder to the 

 apex ; on the shoulder itself a short yellowish-red line ; suture 

 slightly margined with black, apex truncated ; abdomen beneath 

 and metathorax covered with a close pale silky pile ; three middle 

 segments somewhat obscure ; legs black, femora pale, black at 

 the tip of the club above, and the shank of hind femora above 

 with a black hue. 

 Hab. Amazon (Santarem) (Coll. W. B. Bates). 



