South American species of Diabrotica. 81 



one-half broader than long; sides slightly dilated and rounded 

 anteriorly, sinuate below the middle, the hinder angles slightly 

 produced, subacute ; disk minutely punctured, impressed on either 

 side with a small round fovea. Elytra oblong-ovate, slightly 

 dilated posteriorly, their apices conjointly regularly rounded ; 

 above convex, distinctly punctured, plicate below the humeral 

 callus ; on the inner side of the broad subhumeral ridge are 

 several shallow longitudinal sulcations. 



Spec. 149. Diabrotica Bartleti. 



Subelongata, postice pauUo ampliata, modice convexa, flava, 

 nitida, pectore, tibiarum apice, tarsis capiteque, antennis ad basin 

 et ante apicem oreque exceptis, nigris, scutello piceo ; thorace leviter 

 bifoveolato ; elytris ad latera leviter plicatis, tenuiter subcrebre 

 punctatis. 



Long. 2 lin. 



Hab. Upper Amazons. A single specimen in my 

 collection. 



Head not longer than broad, triangular ; clypeal ridge not 

 defined ; antennae nearly equal to the body in length, filiform, the 

 second and third joints short, nearly equal, the fourth equal in 

 length to the preceding two united. Thorax nearly one-half 

 broader than long ; sides slightly rounded, slightly converging at 

 base and apex ; disk convex, impressed on either side with a small 

 shallow fovea. Elytra oblong, plicate below the humeral callus 

 finely but distinctly punctured. 



Spec. 150. Diabrotica Fauveli. 



Anguste ovata, postice ampliata, flava, nitida, tibiis, tarsis, 

 pectore capiteque nigris, antennis ad basin flavis, articulis none 

 decimoque albidis ; thorace convexo, non-foveolato ; elytris crebre, 

 distincte punctatis, infra callum humerale obsolete sulcatis. 



Var. A. Antennarum articulo decimo nigro. 



Var. B. Scutello nigro, antennis ut in var. A. 



Long. 2^ lin. 



Hab. Brazil, Bahia (Reed). Coll. Fry and Baly, 

 type and var. A ; var. B in coll. Fry. 



Head not longer than broad, face triangular; clypeal ridge 

 slightly raised, ill-defined ; antennae slender, filiform, slightly 

 longer than the body in the 3' > rather shorter in the ? , the second 

 and third joints short and equal in the <?, the third rather louger 

 than the second in the other sex, the fourth longer than the pre- 

 ceding two united; black, the three lower joints, together with the 



TRANS. ENT. SOg. LOND, 1890. — PART I. (APRIL.) G 



