278 Mr. H. W. Bates on Cerambycidce 



The genus undoubtedly belongs to the SphcerimcB 

 by the majority of its chai'acters, although the facies is 

 entirely different, owing to the sub-orbicular form of the 

 thorax; the tibiee are not perceptibly sulcate. 



1. Terpnissa listropterina, Bates, I. c. 



Nigricans, pube tenui cinerea induta, et sparsim nigro- 

 setosa; antennis (articulis quatuor basalibus exceptis) 

 flavis ; capite postice thoraceque rufis, rufo-sericeis ; ely- 

 tris punctulatis, cinereis, basi, lateribus, vittaque mediana 

 abbreviata, nigris. 



Long. 5^ lin. c?. 



Ha b . — Tapaj o s . 



Resembles certain species of Lisfroptera in the ashy 

 clothing of the underside, and the markings of the 

 elytra. 



Genus Mallocera. 



Serville, Ann. Soc. Ent. Fr. 1833, p. 567 ; Lacord. 

 Gen. viii. 320. 



1. Mallocera amazonica, n. sp. 



Elongata, nigra, pube variante argenteo-sericea vestita, 

 elytris passim breviter nigro-setosis, capite subtus et pec- 

 tore longe hirsutis ; antennis subtus ciliatis, articulis 3-6 

 carinatis et apice unispinosis; thorace elongate, lateribus 

 medio tuberculo magno, dorso quadri-tuberculato et medio 

 linea impressa ; elytris apice oblique truncatis et unispi- 

 nosis, argenteo-sericeis, fasciis duabus latis indistinctis 

 nigris, una prope basin transversali dentata, altera ad 

 medium obliqua, apice certo situ nigricante ; pedibus 

 valde elongatis, robustis, femoribus medio paulo incras- 

 satis, apice inermibus. 



Long. 10 lin. (^ . 



Much resembling M. glauca, Serv., the type of the 

 genus, but differing in the setose elytra, and in the apex of 

 the same having one spine only instead of two. The 

 setae of the elytra arc rather short, black, and rigid, and 

 cover the whole surface with the greatest regularity; the 

 punctures from which they spring are not visible, owing 



