Phytophagous Coleoptera from Peru. 525 



the apex broadly flavous. Underside flavous, breast and legs 

 black, claws and tarsi more or less piceous. 



Diabrotica terminalis, n. sp. 



Elongate ovate, olive-green, underside, head, a spot on each 

 shoulder, and a broad band near the apex of the elytra black. 

 Length 4 lines. 



Head sparingly punctate between the eyes, with a short fovea 

 and a tubercular elevation between the antennae; lower part of 

 face olive-green; palpi black; antennte flavous, the apical joints 

 darker. Thorax transversely subquadrate, the sides margined 

 and slightly rounded, surface very minutely punctured, shining, 

 olive-green. Scutellum black. Elytra subdepressed, widened 

 posteriorly, very finely punctured, olive-green, with a slight 

 flavous tint, a spot on each shoulder, the suture near the base 

 and around the scutellum, and a large transverse band close to 

 the apex, the anterior margin of which is convex, the posterior 

 concave, of a black colour. Underside black, the upper part of 

 the breast and the legs hght green, tarsi dark piceous. 



Diabrotica abdominalis, n. sp. 



Elongate, much widened behind, convex, thorax deeply longi- 

 tudinally and transversely sulcate ; elytra finely punctate, 

 posterior haK and abdomen black. Length 4 hues. 



Head elongate, testaceous, with an elevated longitudinal ridge 

 from between the antennaj to the clypeus, impunctate, antennas 

 rather robust, flavous. Thorax transverse, sides margined, all 

 the angles acute, surface very convex, divided longitudinally 

 and transversely into two halves, the transverse depression only 

 extending across half the disc, irregularly and rather obsoletely 

 punctured, flavous. Elytra slightly depressed below the base, 

 ventricose, the anterior portion distinctly, the posterior one 

 scarcely prmctured, flavous, divided by deep black from the 

 middle to the apex. ' Underside and legs flavous, abdomen black. 



Alhed to D. SatinrJersi, Baly, but distinguished by the shining 

 (not opaque) elytra and the flavous legs and antennee. 



Diabrotica Balyi, n. sp. 



Elongate, black : abdomen, legs, antennge, margin and apex 

 of the elytra flavoiis, the latter elevate strigose, rugosely punc- 

 tate. Lensth 3 lines. 



