240 ME J. S. BALT OF THE COLOMBIAN 



H. Body Bubelongate, dilated posteriorly ; elytra black, with 

 fulvous markings ; disk obsoletely vittate-sulcate ; inter- 

 mediate pints of antennse tHckened and elongate in the 

 male sex. 



58. DiABROTiCA Steinheili. Subelongata, postice pauUo ampliata, 

 flava, nitida; thorace, scutello femoribusque rufo-fulvis ; tibiis, tarsis, 

 metapectore capiteque nigris ; antennis elongatis, piceisj articulis 

 ultimis tribus sordide albidis ; elytris tenuiter sat crebre punctatis, 

 leviter longitudinaliter sulcatis ; nigris, macula subbasali, apice lato, 

 limbo laterali fasciaque lata prope medium, flavis. Long. 3^ lin. 



Var. A. Elytrorum macula subbasali flava obsoleta. 



Var. B. Elytrorum fascia mediali flava extrorsum abbreviata. 



Yar. C. Elytrorum fascia obsoleta. 



Mas. Antennis corpus superantibus, articulis tertio ad quintum paullo 

 incrassatis, elongatis ; sexto ad undecimum brevioribus, gracilibus ; 

 tarsorum anticorum articulo basali dilatato. 



Fern. Antennis brevioribus, articulis tertio ad quintum non incrassatis. 



Sal). Coper. 



Head scarcely longer than broad, triangular ; vertex smooth, 

 impunctate ; encarpae transverse, contiguous ; carina short, 

 thickened, very narrowly wedge-shaped. Antennse in the male 

 longer than the body, the second joint short, the third more 

 than three times its length ; the third, fourth, and fifth equal in 

 length, thickened, but each gradually decreasing in thickness 

 from the preceding one ; the third and fourth abruptly thickened 

 at the extrem-e apex ; the fourth and fifth slightly curved ; the 

 sixth and following joints to the apex abruptly decreased both 

 in length and thickness, slender, filiform, each joint being about 

 half the length of the fifth. Thorax twice as broad as long ; sides 

 bisinuate, converging beyond the middle, the hinder angles pro- 

 duced, acute, distinctly reflexed, the anterior ones produced, 

 thickened, obtuse; upper surface impunctate, flattened on the 

 hinder disk, faintly excavated transversely just in front of the 

 basal margin. Elytra broader than the thorax, narrowly oblong, 

 slightly dilated posteriorly, convex, faintly excavated below the 

 basilar space, the latter obsoletely thickened; surface rather 

 closely and distinctly punctured ; each elytron with a number 

 of shallow longitudinal sul cations, their interspaces slightly 

 thickened. 



