South American species of Diahrotica. 77 



Spec. 141. Diahrotica atritarsis. 

 Ent. Month. Mag., xxv., p. 252. 



Anguste ovata, postice ampliata, convexa, flava, nitida, pectore, 

 tibiis anticis ad apicem, tarsis anticis oreque nigro-piceis, tibiis 

 posticis qiiatuor ad apicem, tarsis posticis, oculis antennisque nigris, 

 haruin articulis basalibus tribus flavis, antepenultimo penultimoque 

 albidis ; thorace laevi, convexo ; elytiis subfortiter punctatis. 



Long. 3^ lin. 



Ilah. Upper Amazons. My collection. 



Head not longer than broad, triangular; clypeus clothed with 

 sericeous hairs, its medial ridge ill-defined; antennae filiform, four- 

 fifths the length of the body, the second joint short, moniliform, the 

 third one-half longer, the fourth more than equal in length to the 

 preceding two united ; the three lower joints pale flavous, the 

 ninth and tenth yellowish white, the rest black. Thorax rather 

 more than one-half broader than long; sides parallel and very 

 slightly sinuate from the base to just beyond the middle, thence 

 slightly rounded and obliquely converging towards the apex, the 

 anterior angles obtuse ; upper surface transversely convex, shining, 

 impunctate. Elytra oblong, dilated posteriorly, their apices con- 

 jointly regularly rounded, convex, rather strongly punctured. 



Spec. 142. Diahrotica lutescens. 



Angviste oblonga, postice pauUo ampliata, lutea, nitida, oculis 

 nigris, antennis piceo-tinctis ; thorace nitido, leviter trifoveolato ; 

 elytris sat crebre punctatis. 

 Long. 2 lin. 



Hah. Brazil, New Friburg. A single specimen in 

 my collection. 



Head slightly broader than long ; clypeal ridge ill-defined ; 

 antennae nearly equal to the body in length, filiform, the second 

 and third joints short, equal, the fourth longer than the preceding 

 two united. Thorax one-third broader than long ; sides diverging 

 from the base to the middle, thence rounded and converging 

 towards the apex ; disk shining, impunctate, impressed with three 

 shallow foveae. Elytra oblong, convex, not depressed below the 

 basilar space, rather closely but not strongly punctured, middle 

 disk obsoletely wrinkled. 



