242 ME. J. S. BALT ON THE COLOMBIAN 



elytris oblongis, tenuissime puuctatis, nigris ; limbo lateral!, macula 

 pone basin, fascia vix pone medium, apiceque lato, flavis. Long. 2 lin. 

 Hal). Medellin. 



Head not longer than broad, triangular ; antennae filiform ; 

 second joint short, the third more than twice as long, equal in 

 length to the fourth. Thorax nearly one half broader than long; 

 sides straight and parallel from the base to beyond the middle ; 

 transversely convex, the usual discoidal fovese obsolete. Elytra 

 oblong, convex, minutely punctured. 



K. Body subelongate or narrowly oblong, dilated posteriorly ; 

 elytra flavous, with darker markings. 



62. DiABROTiCA SPILOPTERA. Elongato-ovata, postice vix am- 

 pliata, nigra, nitida; femoribus abdomineque flavis, tibiis tarsisque 

 nigro-piceis ; antennarum articulis nono, decimo et undecimo (hujus 

 apice excepto) albidis ; thorace subquadrato, tenuiter punctato, utrin- 

 que foveolato; elyti'is fulvis, utrisque raaculis quinque nigris ornatis, 

 harum prima super callum humeralem trigonata, duabus prope medium, 

 necnon duabus inter medium et apicem, his quatuor per paria trans- 

 versim positis, subrotundatis, nigris. Long. 2\ lin. 



Sab. Oceana {Landolt). 



Front impressed with an elongate fovea ; carina well defined ; 

 antennge filiform, the second joint short, the third more than 

 twice as long as the second, equal in length to the fourth. Thorax 

 subquadrate ; sides straight and parallel, distinctly angulate before 

 the middle, the anterior angles thickened obtuse, the hinder ones 

 acute ; disk finely punctured, impressed on either side with a 

 deep fovea. Elytra finely but distinctly punctured. 



63. DiABROTiCA NiGROViTTULATA. Anguste oblongo-ovata, postice 

 pauUo ampliata, convexa, flava, nitida ; postpectore, scutello capiteque 

 nigris ; antennarum articulis 7 8que albidis ; thorace transverso, disci 

 medio obsolete excavato ; elyti-is crebre punctatis, vittulis sex, 3 ante 

 et 3 pone medium positis, duabus internis communibus, nigris. Long. 

 2| fin. 



Sab. Colombia (^Dysoii). A single specimen in my own 

 collection. 



Head not longer than broad, triangular ; antennge with the 

 second joint very short, the third three times as long as the 

 preceding one, equal in length to the first, the fourth joint 

 rather longer. Thorax twice as broad as long ; sides nearly 

 straight and parallel from the base to beyond the middle, 

 thence converging to the apex; transversely convex, slightly 



