of the Ama::on Valley. 439 



Sub-fam. DiSTENiiNiB. 



Genus Distenia. 



Serville, Encycl. Meth. x. 485 ; Lacord. Gen. ix. 227. 



1. Distenia agroides, n. sp. 



Elongataj supra violacea^ nitida, erecte setosa, subtus 

 chalybeo-nigra, nitida; antennis testaceo-rufis^ ai'ticulis 

 6-10 {r^) infra longe penicillatis ; pedibus rufo-testaceis, 

 geniculis infuscatis, femoribus subclavatis, apice baud 

 spinosis ; tliorace supra grosse tuberculato 3 elytris apice 

 valde attenuatis, unispinosis, inter spinam et angulum 

 suturalem brevifcer obHque truncatis, supra grosse aspere 

 striato-punctatis, apicem versus fere laevibus. 



Long. 7 lin. (^ . 



Hah. — Tapajos. 



Concealed within a folded leaf of a tree, like the 

 species of Agra (Garabidce) , which, the metallic Distenice 

 somewhat resemble. In repose the antennae are porrect, 



2. Distenia splendens, n. sp. 



Supra asnea, elytris splendide viridi-seneis, breviter 

 erecto-setosis, subtus nigro-senea, nitida ; antennis arti- 

 culis 1-3 nigro-aeneis, cae-teris rufo-testaceis, infra ( $ ) 

 longe penicillatis ; pedibus flavo-testaceis, femoribus 

 medio et apice nigris incrassatis, apice hand spinosis ; 

 antennis articulo Imo sub-abrupte clavato ; thorace grosse 

 tuberculato ; elytris apice unispinosis, inter spinam et 

 angulum suturalem breviter oblique truncatis, supra grosse 

 striato-punctatis, interstitiis nonnullis costatis, apice 

 subleevibus. 



Long. 8| lin. S' ■ 



Ilah. — Ega. 



3. Distenia denticornis, n. sp. 



Robusta, nigi-o-senea, nitida, elytris viridi-tinctis ; an- 

 tennis articulis 1-3 nigro-a^neis, ceteris piceo-rufis, infra 

 ((^) longe sparsim penicillatis, articulo primo gradatim 

 incrassato, grosse scabroso, infra denticulis validis circiter 

 6 armato ; thorace grosse tuberculato ; elytris longe 

 erecte fulvo-setosis, apice unispinosis, angulo suturali 



H H 2 



