South American species of Diabrotica. 69 



amj^liata, maculaque subapicali oblonga, cum vifcta submai'ginali 

 obsolete convexa, piceis. 

 Long. 2 lin, 



Hah. Peru. Coll. Jacoby and Baly. 



Head not longer than broad ; longitudinal ridge on clypeus 

 well-defined ; labrum nigro-piceous ; antennae robust, the second 

 and third joints short, equal in length, the fourth longer than the 

 preceding two united. Thorax slightly broader than long; sides 

 slightly diverging and sinuate from the base to bej'ond the middle, 

 thence slightly converging towards the apex ; disk shining, deeply 

 bifoveolate. Elytra narrowly oblong, slightly dilated posteriorly ; 

 above convex, not depressed below the basilar space, distinctly 

 and closely punctured, subhumeral ridge strongly raised, a slightly 

 curved second ridge being placed just within the former. 



Spec. 121. Diabrotica virescens, Baly. 

 Journ. Ent. Soc, xix., p. 223. 

 Hah. Colombia. Coll. Baly. 



Spec. 122. Diabrotica suhlimbaia, Baly. 



Trans. Ent. Soc. Lond., 1865, p. 347. 

 Hah. Amazons (Bates). My collection. 



Spec. 123. Diabrotica nigrostriata. 



Anguste ovata, postice ampliata, convexa, pallide flava, nitida, 

 pectore, femorum apice, tibiis, tarsis, scutello, labro antennisque 

 nigris, harum articulis duobus penultimis albis, articulis basalibus 

 subtus piceis; thorace leviter bifoveolato ; elytris crebre tenuiter 

 punctatis, utroque linea suturali alteraque submarginali, integris 

 apicibus confluentibus, nigi-is. 



Mas. Antennarum articulis tertio et quarto incrassatis, cylin- 

 dricis. 



Long. 3^ lin. 



Hah. Colombia, San Esteban. Coll. Simon and 

 Jacoby. 



Longitudinal ridge on clypeus ill-defined ; antennse rather more 

 than two-thirds the length of the body in the J , rather longer in 

 the (?; the second joint short, the third one-half longer than the 



