50 Mr. Joseph S. Baly 071 the 



rounding the elytral markmgs is paler than the rest of 

 the disk. 



Spec. 88. Diahrotica siinidata. 



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

 scutelloque nigris, capite rufo-piceo, ore nigro ; aiitennis sordide 

 fulvis, articulis intermediis ultimoque nigris, thorace convexo, 

 Isevi ; elytris sat crebre puuctatis ; iiti'oque vitta humerali altera- 

 qiie suturali, communi, niaculisque duabus, pone medium trans- 

 versim positis, nigris. 



Long. 2f lin. 



Hah. Amazons (Bates) ; a single specimen in my 

 own cabinet. 



Head not longer than broad, triangular ; rufo-piceous, the mouth 

 black ; clj-peus with a distinctly elevated longitudinal ridge ; 

 antennas filiform, about three-fourths the length of the body, the 

 second joint sliort, ovate, the third obconic, about one-third longer 

 than the second, the fourth longer than the preceding two united ; 

 the four lower joints, together with the ninth and tenth, fulvous, 

 the rest black. Thorax one-fourth broader than long ; sides 

 parallel and slightly sinuate from the base to beyond the middle, 

 thence obliquely narrowed towards the apex ; disk smooth, con- 

 vex. Elytra oblong-ovate, dilated posteriorly, convex, rather 

 closely and distinctly punctured, the subhumeral ridge only visible 

 immediately below the humeral callus. 



Separated from the following species, Buqueti, by the 

 less distinct plication of the elytra and by the short 

 subhumeral costa. 



Spec. 89. Diahrotica Buqueti. 



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



Ovata, postice ampliata, convexa, flava nitida, pectore antennis- 

 que nigris aut piceis, his ad basin piceo-fulvis, articulis penultimis 

 duobus albidis ; sciitello labroque piceis ; thorace rufo-fulvo aut 

 flavo, convexo, laevi ; elytris crebre punctatis, ad latera plicatis ; 

 utroque linea suturali basoos, altera subhumerali lineisque brevi- 

 b;is duabus pone medium, transversim positis, nigris aut piceis. 



Var. A. Elytrorum lineis posticis obsoletis. 



Long. 3i lin. 



Hah. Amazons, Ega (Bates) ; Peru. My collection. 



Head not longer than broad, triangular ; clypeus with a distinct 



longitiidinal ridge ; antennas filiform, rather more than three- 



