CERAMBYCIDjE. 2ul 



32. Ibidion approximatum, n. s. B.M. 



I. nigro fuscum, elytris macula marginali media alba intus emar- 

 ginata, apice late tecto pube cinerea antice subundulata, longe 

 mucronata, antennis pallidis, articulo tertio incrassato fusi- 

 formi. 

 Long. lin. 3. 



Head short in front, blackish-brown with a slight greyish pu- 

 bescence ; antennae pale yellow, first two joints tinged with 

 brown, third joint thickened, spindle-shaped, pale yellow tinged 

 with brown behind, the hinder edge of third, fourth and fifth joints 

 with longish pale hairs, fourth joint not thicker than the fifth. 

 Thorax blackish-brown with a greyish pubescence, constricted 

 behind ; the front part with a slightly elevated line down the 

 middle; scutellum with a greyish pubescence; elytra blackish - 

 brown, with a pale marginal patch about the middle of eacli 

 elytron deeply notched on each side, widest on the margin ; 

 apex broadly tipped with a greyish pubescence somewhat undu- 

 lated and occasionally bare in front, and separated from the 

 white patch by a narrow brown line ; mucro at the end of each 

 elytron long and pale. Legs pale, with longish scattered hairs : 

 hind femora scarcely reaching to apex of elytra, very slightly 

 mucronated at the end. Metathorax ferruginous, clothed with 

 a short grevish pile; abdomen ferruginous below. 

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



This may be the other sex of I. Batesianum. 



33. Ibidion fusifkrum. 



I. ferrugineum, lucidum, thorace subinaequali, elytris singulis 

 maeulis duabus pallidis, apice nigro-fuscis, antennis articulo 

 tertio tumido. 



Ibidion fusiferum, Serv. Ann. Soc. Ent. Fr. hi. 106. 

 Hab. Brazil. 



34. Ibidion conjugatum, n. s. B.M. 



I. nigrum, antennis femoribusque ferrugineis, tibiis articulisque 

 primis antennarum nigro-fuscis, elytris fasciis duabus margina- 

 libus obliquis albis margine connexis, apice albis mucronatis. 

 Long. lin. 2f-3j. 



Head blackish, mouth slightly ferruginous, eyes with the facets 

 rather coarse; antennae ferruginous, basal joint black, polished, 

 second joint black, third joint blackish at the base, not thicker 

 than the following, which have many shortish hairs. Thorax 

 black, shining, constricted behind, with shortish scattered hairs. 



