234 ME. J. S. BA.I/T ON THE COLOMBIAIf 



dilated posteriorly ; convex, disk of each elytron with five or six 

 narrow raised vittse, their interspaces coarsely rugose-punctate. 



Closely allied to J), viridipennis, Jacoby, separated by the 

 black instead of metallic green elytra; from D.Jlavolimhata, 'Eric. 

 {Balyi, Jacoby), it may be known by the pale thorax, and by the 

 greater number of elevated vittse on the elytra. 



44. DiABROTiCA PUNCTicoLLis, Baly, Trans. Ent. Soc. 1865, 

 p. 346. 



Hob. Ubaque : coll. Steinheil. Sta. Martha : my collection. 



Similar in coloration to B. flavolionhata, Erich. Wiegm. Arch. 

 1847, p. 169 ; it may be known by the greater number of raised 

 vittse on the elytra, and by the nearly impunctate thorax. 



C. Body elongate, dilated posteriorly ; elytra torulose, 

 rufous, unicolorous. 



45. DiABEOTiCA cocciNEA, JBahf, Trans. Ent. Soc. 1865, 

 p. 345. 



Sah. Muzo : coll. Steinheil. Magdalena Eiver : my collection. 



D. Body elongate, dilated posteriorly ; elytra • 



closely punctured, metallic green. 



46. DiABROTiCA^NEiPENNis. Elongata, convexa, flavo-fulva, nitida; 

 vertice scutelloque piceo-nigris, antennis tarsisque sordide fulvis ; 

 thorace transverse, Isevi ; elytris fortiter crebre punctatis, viridi-metal- 

 licis. Long. 3 lin. 



Hai. La Luzula. 



Head not longer than broad, triangular ; antennse filiform, the 

 second joint short, the third and fourth nearly equal, each twice 

 the length of the second. Thorax half as broad again as long ; 

 sides slightly rounded ; disk transversely convex. Elytra oblong, 

 sometimes slightly dilated posteriorly, coarsely and closely punc- 

 tured. 



E. Body subelongate or elongate, dilated posteriorly ; elytra 

 metallic blue, the entire outer limb narrowly flavous. 



47. DiABROTiCA FLAVO-MABGiNATA. Elongata, postice vix ampliata, 

 nigra, nitida ; antennis extroisum, femoribus thoraceque flavis, hoc 

 transverso, disco late transversim excavato ; elytris subelongatis, sub- 

 parallelis, vix pone medium arcuatim excavatis, disco lateraU vix pone 

 medium excavato-sinuatis ; obscure cyaneis, limbo exterior! flavo. 

 Long. 3 lin. 



