7G Mr. Joseph S. Baly on the 



than the preceding two united. Thorax nearly one-third broader 

 than long ; sides parallel and sinuate behind the middle, obliqiiely 

 converging towards the apex in front ; disk convex, nitidous. 

 Elytra oblong-ovate, convex, transversely impressed across the 

 middle ; surface shining, impunctate. 



Spec. 139. Diahrotica ftdvescens. 



Late ovata, postice ampliata, valde convexa, sordide fulva, 

 nitida, pectore, scutello capiteque nigris, antennis fulvo-piceis, 

 tibiis tarsisque uigro-piceis ; thorace convexo, Isevi ; elytris sub- 

 ventricosis, sat crebre punctatis. 



Long. 3;^ lin. 



Hah. Peru {Thamm). My collection ; two speci- 

 mens. 



Head triangular, not longer than broad ; clypeus with a longi- 

 tudinal ridge ; antennae scarcely two-thirds the length of the 

 body, filiform, the second and third joints short, nearly equal, the 

 fourth longer than the preceding two united. Thorax rather more 

 than one-half broader than long ; sides nearly straight and parallel 

 from the base to beyond the middle, thence obliquely converging 

 towards the apex, the hinder angles subacute, the anterior ones 

 obtuse ; disk convex, shining, impiinctate. Elyti'a subventricose, 

 rather strongly dilated towards the apex, the latter broadly 

 rounded ; upper surface rather closely punctured. 



Spec. 140. Diahrotica atricepa. 



Anguste ovata, postice ampliata, convexa, flavo-albida, viridi 

 vix tincta, nitida, pectore, tibiis, tarsis, scutello capiteque nigris, 

 antennis sordide flavis ; thorace leviter bifoveolato ; elytris tenuis- 

 sime punctatis, lateribus non plicatis. 



Long. 2^ hn. 



Hah. Bogota. Dresden Museum and my collection. 



Head triangular ; antennae filiform, four-fifths the length of the 

 body, the second and third joints short, nearly equal, the fourth 

 lono-er than the preceding two united. Thorax sub(piadrate, not 

 broader than long ; sides parallel and faintly sinuate from the base 

 to beyond the middle, thence slightly rounded and slightly con- 

 ver"-in,"- towards the apex ; disk shining, impunctate, impressed on 

 either side with a shallow fovea. Elytra very finely punctured, 

 not plicate on the sides, the subhiimeral costa obsolete. 



