SPECIES OP THE GENUS DIABEOTICA. 257 



Var. A. Elytris pone medium fere totis fulvis. 



Hob. Magdalena River, also Ecuador : my collection. Meiico 

 (Von Harold). 



91. DiABEOTiCA SEXPLAGiATA, Jacohy, Froc. Zool. Soc. Load. 

 1878, p. 151. 



Hah. Muzo : coll. Steiaheil. Sta. Martha; Magdalena Eiver : 

 coll. Balj. 



92. DiABROTicA BiviTTATicoLias. Elongata, convexa, flava, nitida ; 

 antennis extrorsum, femoribus posticis dorso, tibiis tarsisque posticis 

 quatuor nigris ; tibiis anticis dorso, tarsis anticis antennisque basi 

 piceis; thorace traiisverso, disco profunda subarcuatim excavato, 

 utrinque ad latus vitta lata, basi et apice abbreviata, nigra ornato ; 

 elytris rugulosis, fortiter punctatis, nigris, utrisque limbo externo, 

 maculisque magnis tribus, una infra basis, secunda prope medium 

 tertiaque inter medium et apicem positis, flavis. Long. 21in. 



Hab. Magdalena E-iver. 



Head slightly longer than broad ; antennae slender, filiform, 

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

 the length o£ the second ; five lower joints piceous, the rest black. 

 Thorax broader than long ; sides straight and parallel from the 

 base to just beyond the middle, thence obliquely converging to 

 the apex ; disk impressed with a deep semilunate excavation, 

 which is rather more deeply excavated on either side. Elytra 

 narrowly oblong, convex, rugulose, coarsely and deeply punctured. 



93. DiABROTiCA L^TABiLis. Elongata, convcxa, palUde fiava, nitida f 

 abdomine, scutello antennisque nigris, his basi piceis ; vertice elytrisque 

 Isete metallico-viridibus ; thorace transverso, late transversim excavato, 

 utrinque prope marginem plaga nigro-picea ornato ; elytris leviter 

 rugulosis, minus crebre punctatis, infra callum bumeralem elevato- 

 bivittatis. Long, lilin. 



Hob. Magdalena Eiver, Bogota. 



Head not longer that broad, subrotuudate ; labrum nigro- 

 piceoua; vertex longitudinally grooved. Antennae slender, filiform, 

 second joint short, the third and fourth each much longer than 

 the second, equal ; four lower joints piceous, the rest black. 

 Thorax more than half as long again as broad ; sides parallel and 

 sinuate from the base to beyond the middle, thence obliquely 

 converging to the apex ; disk broadly and transversely excavated. 

 Elytra narrowly oblong, convex, faintly excavated below the 

 basilar space, the latter slightly elevated ; outer disk below the 



