SPECIES OE THE GENUS DIABEOTICA. 235 



Hah. Coper: coll. Steinlieil. Magdalena E,iver ; Bogota: my 

 collection. 



Head mucli longer than broad, wedge-shaped ; lower portion 

 of front impressed with a small shallow fovea; -encarpae nearly 

 obsolete ; carina very short, linear. Antennae filiform, the second 

 joint very short, the third three times the length of the second 

 rather shorter than the fourth ; six lower joints black, the rest 

 flavous. Thorax transverse ; sides subparallel and sinuate from 

 the base to just beyond the middle, thence obliquely converging 

 towards the apex ; disk smooth, rather deeply and broadly ex- 

 cavated. Elytra narrowly oblong, scarcely dilated posteriorly ; 

 convex, broadly and deeply excavated below the middle, and again 

 immediately below on the outer disk ; svirface minutely punc- 

 tured, the puncturing nearly obsolete towards the apex. 



Kearly allied to D. nigriceps^ mihi. 



48. DiABROTiCA FLAVO-ciNCTA. Subelougata, postice vix arapliata, 

 flava, nitida ; tibiis anticis dorso tarsisqvie infuscatis, capite nigro, anten- 

 narum articulis secundo ad quintum, undecimoque pallida piceis, 

 penultimis duobus sordide fulvis ; thorace transverso, disco transversim 

 excavate, sulco utrinque magis profunde impresso ; elytris crebre 

 punctatisj metallico-purpureis, limbo externo flavo. Long, 2^ lin. 



Hah. Sta. Martha : my collection. OcediU^ {Landoltz) : coll. 

 Steinheil. 



Head longer than broad, wedge-shaped ; vertex shining, im- 

 punctate ; front impressed above the encarpge with a deep fovea ; 

 encarpae thickened, contiguous ; clypeus with a well-defined, 

 raised, linear carina ; palpi obscure fulvous ; third joint of an- 

 tenna twice the length of the second, distinctly shorter than the 

 fourth. Thorax nearly twice as broad as long ; sides parallel, 

 sinuate behind the middle, slightly dilated and rounded before the 

 latter ; disk impunctate. Elytra narrowly oblong, scarcely dilated 

 posteriorly, broadly rounded at the apex ; above convex, distinctly 

 depressed along the sutvire, closely and finely punctured. 



F. Body oblong or subelongate, scarcely dilated posteriorly ; 

 elytra black or nigro-piceous ; the outer limb, abbreviated at 

 its extreme apex, together with a discoidal vitta' or spot, 

 flavous, the latter frequently obsolete. 



49. DiABROTiCA siMiLATA. Subelongata, postice vix ampliata, 

 nigra, nitida; pectoie piceo, femoribus flavis, dorso nigroliueatis. 



