234 CERAMBYCIDiE. 



Of a pitchy-brown, polished ; thorax very smooth ; elytra 

 punctured closely, punctures obsolete at the tip, which has a 

 very long mucro ; the suture terminates in a shorter point. Fe- 

 mora of hind legs not reaching to end of elytra, without spines 

 at the end. 

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



40. Ibidion pallidulum, n. s. B.M. 



I. pallide rufum, antennis pedibusque flavescentibus ; elytris 

 macula elongata marginal! alba post humerum, fascia obliqua 

 alba pone medium et apice albo. 

 Long. lin. 3£. 



Palish rufous, the head and thorax darker, antennae and legs 

 pale yellowish ; third, fourth and fifth joints of antennae with a 

 few longish hairs on the hinder edge ; thorax polished, smooth ; 

 elytra pale rufous, with a large elongated pale marginal mark, 

 rounded towards the suture ; an oblique white band behind the 

 middle, and the tip white, the band and the tip connected, tip 

 slightly mucronate ; elytra punctured in lines, which are rather 

 close and curved, especially near the base ; femora with two 

 spines at the apex, the outer larger ; under side of body pale 

 ferruginous. 

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



41. Ibidion subeburneum, n. s. B.M. 



I. ferrugineum, politum, elytris singulis guttis duabus longitudi- 

 nalibus eburneis vitta, angusta obliqua medians, et apice albis, 

 elytris lineis punctorum setas pallidas gerentium. 

 Long. lin. 3|-4^. 



Ferruginous, polished ; antennae with the third, fourth, fifth 

 and sixth joints with scattered pale hairs on the hinder edge ; 

 each elytron with two longitudinal ivory-like spots, the marginal 

 one somewhat behind the other ; an oblique white line across 

 the middle, scarcely reaching the suture, the apex white, with a 

 slight mucro ; elytra with lines of points, from each of which 

 proceeds a pale bristle. Femora of hind legs extending beyond 

 the end of elytra, the extremity with two short mucrones. 

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



42. Ibidion rufulum, n. s. B.M. 



I. parvulum, laevigatum, politum, rufulum; elytris apice bimu- 

 cronatis, pilis sparsis, femoribus posticis apicem elytrorum 

 haud attingentibus. 

 Long. lin. 2f. 



