526 . Mr. Martin Jacoby on 



Head imjiunctate, with a fovea in the middle, black ; pal[u 

 flavous ; autennai pale flavous, basal joints rather darker, the 

 last two fuscous. Thorax broader than long, constricted near 

 the base, sides margined, deeply bifoveolate, scarcely punctate, 

 black. Elytra sculptured j^recisely as in D. viridipennis, black, 

 outer limb and apex, the latter dilated, flavous, the male has the 

 same excavation near the sutural angle as viridipennis. Breast 

 black, abdomen and legs flavous. 



This species is closely alhed to D.pnncticollis, Baly, but differs 

 in the almost smooth thorax and head, and the colour of the 

 antenn£E. 



Diabrotica viridipennis, n. sp. 



Elongate, beneath flavous, head and middle joints of antenna; 

 black; thorax bifoveolate; elytra transversely rugose punctate, 

 with several elevated vitta}, light green, lateral margin and apex 

 flavous. Length 3 lines. 



Mas. Lower part of face testaceous ; elytra with a hollow 

 protuberance near the apex. 



Head impunctate, with a fovea in the middle, black; palpi 

 flavous ; antennaa more than half the length of the body black, 

 the first two and the last four joints light flavous, extreme apex 

 fuscous. Thorax transverse, very narrow, constricted near the 

 base, deeply excavated on each side, impunctate, flavo-testa- 

 ceous. Scutellum black. Elytra Avidened posteriorly, with 

 four or five more or less distinct elevated vittce, the intervals 

 coarsely rugose punctate and transversely wrinkled, lighter or 

 darker green, subnitidous, lateral margins and apex flavous. 

 Underside and legs flavous, the femora with an indistinct longi- 

 tudinal fuscous streak. 



In the male the lower part of the face is of a testaceous 

 colour, and near the apex of the elytra, close to the suture, is a 

 smooth longitudinal elevation, hollowed out near the sutm-al 

 margin. 



Diabrotica minuta, n. sp. 



Elongate, subovate, pale green, base of the head and the 

 antenna3 black; thorax bifoveolate; elytra obsoletely bicostate, 

 finely punctured, green, the suture, a longitudinal stri2:)e from 

 the shoulder to the middle, and a round spot near the apex 

 fuscous. Length 2 lines. 



