Afmmonian Prionides. 43' 



Genus Ctenoscelis. 

 Serv. Ann. Soc. Ent. Fr. 1832, p. 134. 



1. Otenoscelis ater. 

 Oliv. Ent. &Q, p. 11, pi. 7, f. 24, $ . 



Ct. piceo-niger, tarsis posticis lobis angustissimis et 

 longe spinosis ; elytris apice apud suturam sinuatis, 

 angulo suturali spinoso. 



Long. 3^-31 unc. {$ . ? ). 



$ . Thorax minutissime et creberrime punctatus, disco 

 utrinque plagis angustis tribus grosse scabrosis 

 nitidis ; antennae longitudine corporis, intus denti- 

 culatge ; tarsi lobis intermediis et posticis spinosis. 



9 . Thorax omnino grosse scabrosus ; antenna dimi- 

 dium corporis attingentes, punctatse ; tarsi lobis 

 omnibus spinosis. 



I obtained many specimens of this fine species at Ega, 

 on the Upper Amazons, on the trunks of large felled 

 trees. 



2. Ctenoscelis Dyrrhacus. 



Buquet, Ann. Soc. Ent. Fr. 1843, p. 235, pi. 9, 

 fig- 1. c?. 



Ct. piceo-niger, tarsorum lobis ov&;tis, hand spinosis ; 



thorace utroque sexu scabroso, medio laevi, nitido ; 



antennis articulo basali breviori et validiori ; elytris 



apice nee sinuatis nee dentatis. 

 Long. 3 unc. 4 lin. — 4 unc. 4 lin. {S ? ) ; lat. elytr. 

 (c?) 18 lin. 



AcomtMnodera hihamata, n. sp. 



(? . Oblonga, depressa, rufo-castanea, tibiis tarsisque flavo-castaneis, 

 capite, thorace, scutello et pectore quam A. Cumingii, $ , minus dense 

 flavo-lanuginosis, puncturis grossis capitis thoracisque patentibus. 

 Antennae robust®, leviter serratse, corpore paulo longiores, articulis 

 subaequalibus, primo punctate, reliquis laevibus. Thorax 'transversus, 

 lateribus utrinque antice valde bihamatis. Elytra oblongo-quadrata, 

 depressa, marginibus explanatis, apice sub-truncata, angulo suturali 

 spinoso, supra subtiliter alutacea et elevato-reticulata costis quatuor 

 vix perspicuis. Pedes elongati, graciles, valde compressi, sparsim 

 hirsuti ; tarsis elongatis, linearibus, articuli tertii lobis angustissimis 

 acutis. 



Long. 11 lin. 



Eab. — Mendoza. A Dom. Ed. Steiaheil recepta. 



