92 MR. J. s. BALY ON NEW [Mar. 5 



verticis macula, thoracis maeulis quatuor, arcuatim dispositis scu- 

 telloque nigris ; thorace trifoveolato ; elytris sat crehre punctatis, 

 utrisque macula oblonga fusca infra basin juxta suturam, plagis- 

 que tribus, prima subrotundata callum hnmeralem amplectente 

 duabusque transverso-oblongis, una prope, altera inter medium 

 et apicem positis, nigris. 



Long. 2 lin. 



ffab. Brazil. 



21. DiABROTICA MELANCHOLICA, Sp. DOV. 



Anguste ovata, postice ampliata, convexa, nigra, nitida, femo- 

 rwm lasi antennarumque artictilo apieali albidis ; thorace 

 transversa, pone medium bifoveolato, nigro-piceo ; ehjtris 

 subrugulosis, sat crelre punctatis, punctis apicem versus fere 

 ohsoletis, utrisque limbo externo apice paiillo ampliato, 

 punctoque juxta suturam prope medium, albidis. 



Mas. Antennarum articulisduobusapicalibus compresso-dilatatis. 



Long. 2 lin. 



Hab. Ecuador. 



22. DiABROTICA ZONULA, Sp. nOV. 



Sat late ovata, postice ampliata, modice convexa, nigra, nifida, 

 antennis extrorsum albidis; thorace Jiavo-fulvo, obsolete 

 bifoveolato ; elytris minus crebre punctatis, limbo externo, 

 apice paullo ampliato fasciaque prope medium flavo-fulvis. 



Long. 3 lin. 



Hab. Ecuador. 



23. DiABROTICA XJNIFASCIATA, Sp. nOV. 



Late ovata, postice ampliata, modice convexa, dorso subdepla- 

 nata, nigra, nitida ; thorace albido, obsolete bifoveolato ; elytris 

 tenuiter remote punctatis, limbo externo, apice ampliato fas- 

 ciaque prope medium albidis. 



Long. 3 lin. 



Hab. Peru. 



Distinguished from the preceding species by the unicolorous antennae 

 and the nearly impunctate elytra. 



24. DiABROTICA SPILOPTERA, Sp. nOV. 



Anguste ovata, postice ampliata, convexa, nigra, nitida ; femori- 

 bus, abdomine (lioc piceo tincto) elytrisque flavis, his minus 

 crebre punctatis, utrisque plagis tribus, prima infra callum 

 humeralem trigonata, secunda prope medium transversa, 

 tertiaque pone medium subrotundata, nigris. 



Long. 2 lin. 



Hab. Brazil. 



25. DiABROTICA ALBOMARGINATA, Sp. nOV. 



Late oblong o-ovat a, postice ampliata, modice convexa, dorso 



