South American species of Diabrotica. 43 



Spec. 74. Diabrotica balteata, Leconte. 



Proc. Acad. Phil., 1865, p. 213; Jac, Biol. Cent. 

 Amer., CoL, vi., pt. i., p. 230, tab. xxix., fig. 23. 



Diabrotica Sallei, Baly, Joiirn. Lin. Soc, xix., p. 227. 



Hab. Colombia [Steinheil) ; Central and North 

 America. Common in collections. 



Spec. 75. Diabrotica luteopustulata . 



Anguste ovata, postice arapliata, convexa, prasina, nitida, post- 

 pectore, tibiarum dorso tarsisque piceis, scutello capiteque nifo- 

 fulvis, labro nigro, antennis piceo-fuscis, ad basiu et ante apicem 

 jiallidis ; tborace lavi, leviter bifoveolato ; elytris sat crebre, teuuiter 

 punctatis, utroque niaculis tribus, longitudinaliter dispositis, ssepe 

 coufluentibus, fulvis. 



Vax'. A. Thoracis foveis obsoletis. 



Long. 4 lin. 



Hab. Colombia, Cauca. My collection. 



Head scarcely longer than broad, triangular ; clypens with a 

 strongly-raised longitudinal ridge ; antennae filiform, equal to the 

 body in length in the (J , rather shorter in the J ; the second and 

 third joints short, equal in length in the <? , the third rather longer 

 than the second in the ? ; piceo-fuscous ; the three or four lower 

 joints, together with the ninth, tenth, and basal portion of the 

 eleventh, flavous, more or less stained with piceous. Thorax 

 nearly oue-fourth broader than long ; sides rather deeply sinuate 

 behind the middle, the latter rounded, slightly produced laterally ; 

 upper surface rather abruptly deflexed on the sides, slightly flat- 

 tened on the hinder disk, impressed on either side w'ith a small 

 fovea (these foveas are sometimes enthely obsolete). Elytra 

 oblong, slightly dilated -posteriorly, their apices conjointly regu- 

 larly rounded in the ^ , obtusely rounded in the 5 ; convex, not 

 depressed below the basilar space, rather closely punctured, plicate 

 below the humeral callus, the subhumeral costa well-defined, 

 extending downwards as far as the middle of the elytron and 

 bounded within by a deep sulcation ; each elytron with three large 

 subrotundate and more or less confluent fulvous patches, placed 

 longitudinally, one at the base, a second about the middle, and the 

 third between the middle and the apex. 



