252 MB. J. S. BALT ON THE COLOMBIAN" 



Clypeus transverse, pentaDgular, carina obsolete ; antennae 

 more than three fourths the length of the body, filiform, the 

 third joint twice the length of the second, more than three 

 fourths the length of the fourth. Thorax scarcely one third 

 broader than long ; sides straight and parallel from the base to 

 beyond the middle, thence obliquely converging to the apex, all 

 the angles acute ; disk smooth and shining, impressed on either 

 side with a deep fovea. Elytra broadly ovate, enlarged poste- 

 riorly, convex, transversely dejjressed below the basilar space, sub- 

 rentricose posteriorly, the hinder half black ; the anterior half 

 rather strongly but not very closely punctured, the black hiuder 

 surface very closely and deeply punctured. 



81, DiABROTiCA INTERMEDIA. Ovata, posticc ampliata, valde con- 

 vexa, flavo-picea, nitida ; antennis, pedibus (femoribus exceptis) abdo- 

 mineque nigris ; thorace Isevi, fere impunctato ; elytris snberebre 

 punctatis, pone medium nigris, viridi tinctis, granuloso-punctatis. 

 Long. 4| lin. 



Hah. Colombia : my collection. Coper : coll. Steinheil. 



Head longer than broad ; antennae filiform, the first and third 

 joints equal in length, the second short, basal joint nigro-piceous. 

 Thorax broader than long ; sides parallel and faintly sinuate from 

 the base to some distance beyond the middle, thence obliquely 

 converging to the apex ; disk transversely convex, nitidous, 

 faintly impressed on either side with a few very minute punc- 

 tures. Elytra broadly oblong, dilated posteriorly, very convex, 

 distinctly but not very closely punctured ; hinder disk black, 

 strongly tinged with metallic green, very finely gramilose-punc- 

 tate, subopaque. 



Broader than D. ButJeri, hinder half of elytra less coarsely 

 granulose-punctate. 



82. DiABROTiCA POSTiCATA. Ovata, postice ampliata, convexa, flava, 

 nitida; antennarum articuUs intermediis nigro-piceis ; abdomine ely- 

 trorumque dimidio postico nigris ; tborace transverso, leviter arcua- 

 tim excavato ; elytris tenuiter punctatis, punctis ad apicem fere de- 

 letis. Long. 2\ lin. 



Hab. Eusagasuga ; Eastern Colombia ( TFmHer) ; Magdalena 

 Hiver. 



Head much longer than broad, wedge-shaped ; vertex smooth, 

 impunctate ; encarpse trigonate, contiguous ; carina linear. 

 Antennae filiform, the second joint half the length of the basal 



