46 Mr. Joseph S. Baly on the 



Spec. 81. Diahrotica Grayella, Baly. 



Trans. Ent. Soc. Lond., 1886, p. 445. 



Hah. Brazil, Petropolis, Constancia {Gray). In most 

 collections. 



The subsutural vitta at once separates this species 

 from D. Clarkella, which in all other respects it closely 

 resembles. In most collections. 



Spec. 82. Diahrotica apicipennis. 



Elongata, modice convexa, flava, nitida, pectore, ano, tibiis, 

 tarsis, scutello capiteque nigris, antennis ad basin piceis, articulis 

 novo et decimo albidis (artic. ult. fract,), thorace bifoveolato ; elytris 

 fere parallelis, crebre distincte punctatis, ad latera plicatis ; utroque 

 margine apicali, suturae basi vittaqne humerali nigro-piceis. 



Long. 3 lin. 



Hah. Brazil, Rio Janeiro {Fry). Unique in Mr. 

 Fry's collection. 



Head not longer than broad, triangular ; clypeal ridge distinct ; 

 eyes large, prominent ; antennte filiform, the second and third 

 joints short, the third rather longer than the second, the fourth 

 longer than the preceding two united ; the second and third joints 

 piceous, the ninth and tenth white, the eleventh (in the single 

 specimen known to nie broken off). Thorax about one-third 

 broader than long ; sides nearly straight and parallel from the 

 base to beyond the middle, thence obliquely converging and slightly 

 rounded towards the apex ; disk convex, deeply bifoveolate. Elytra 

 subelongate, their sides nearly parallel ; above moderately convex, 

 rather closely and strongly punctured, plicate below the humeral 

 callus ; each elytron with the apical margin, a narrow sutural line 

 at the base, together with a short humeral vitta, nigro-piceous. 



Spec. 83. Diahrotica atrosignata. 



Ovata, postice ampliata, convexa, flavo-fulva, nitida, pectore, 

 scutello capiteque (antennis basi et apice exceptis) nigris ; thorace 

 leviter trifoveolato ; elytris tenuiter sat crebre punctatis ; flavis, 

 utroque vittis subcuneiformibus duabus, basalibus interna com- 

 niuni, maculisque tribus ante apicem, triangulariter dispositis, 

 nigris. 



Long, oh lin. 



Hah. Brazil. Coll. Fry and Baly. 



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



