14 Mr. Joseph S. Baly on the 



F., but may be known by the short third joint of the 

 antenna. 



Spec. 14. Diohrotica Pascoei, Baly. 



Ann. Nat. Hist., 5th ser., iii., f. 78. 



Hah. Cayenne. My collection. 



Separated from mediofasciata by its differently-coloured 

 antennse and larger size. 



Spec. 15. Diabrotica mediofasciata. 



Anguste oblongo-ovata, postice ampliata, convexa, nigra, nitida, 

 pedibus scutello thoraceque fulvis, hoc convexo, Isevi ; antennis 

 pallide piceis, ante mediuni pallide flavis ; elytris tenuiter sed 

 distincte punctatis ; nigris, margine externo ab infra basin ad 

 apicem augusto, apice pauUo dilatato, rufo-fulvo, necnon fascia 

 integra lineariformi pone medium posita flava, instructis. 



Long. 3 lin. 



Hab. Amazons (Bates). A single specimen in my 

 cabinet. 



Antennse filiform, nearly equal to the body in length, the second 

 joint short, the third nearly one-half longer than the second, the 

 fourth equal in length to the preceding two united ; the six lower 

 joints pale piceous, the rest pale flavous, the apex of the terminal 

 one nigro-piceous. Thorax rather broader than long ; sides 

 nearly straight and diverging from the base to the middle, rounded 

 and slightly produced just before the latter, thence converging 

 towards the apex; upper surface convex, smooth, impunctate. 

 Elytra ovate, dilated posteriorly, convex, finely but distinctly 

 punctured; the extreme outer margin from below the shoulder to 

 the apex narrowly edged with rufo-fulvous, the apical margin more 

 broadly bordered with the same colour. 



Spec. 16. Diabrotica bisecta. 



Subelongato - ovata, postice paullo amj)liata, convexa, flava, 

 nitida, pectore, pedibus (femoribus ad basin exceptis), scutello 

 capiteque nigris, antennarum articulis penultimis duobus flavo- 

 albidis; thoracetransverso,late transversim excavato, obsolete bifo- 

 veolato ; elytris oblongis, postice vix ampliatis, convexis, ad latera 

 non plicatis ; nigris, limbo externo fasciaque mediali flavis. 



Mas. Antennis corporis longitudini fere sequalibus, extrorsum 

 distincte incrassatis. 



Long. 2;^ lin. 



Hab. Amazons, Para. My collection. 



