South American species of Diahrotica. 27 



Spec. 39. Diahrotica vagrans. 



Proc. Zool. Soc, 1889, p. 94. 



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

 niine thoraceque flavis, hoc convexo laevi ; elytris crebre punc- 

 tatis, flavis, suturse basi vittisque vel vittulis irregularibus nigris. 



Long. 2^ lin. 



Hab. Bolivia. My collection. 



Head triangular, not longer than broad ; clypeus with an 

 elevated ridge ; antenna filiform, the second and third joints 

 short, equal, submoniliform, the fourth longer than the preceding 

 two united. Thorax about one-fourth broader than long ; sides 

 straight and parallel from the base to beyond the middle, thence 

 obliquelj' converging and slightly rounded towards the apex ; 

 upper surface transversely convex, smooth, impunctate. Elytra 

 oblong-ovate, scarcely dilated posteriorly, their apices regularly 

 rounded, convex, strongly and rather closely punctured ; flavous, 

 each elytron with the suture at its base, a short irregular patch, 

 placed on the central third of the middle disk, often connected 

 obliquely with the sutural marking and an irregular submarginal 

 vitta extending from the base nearly to the apex of the elytron, 

 black ; this vitta is frequently interrupted, forming two or more 

 longitudinal spots. 



Spec. 40. Diahrotica pauperata. 



Late ovata, postice ampliata, valide convexa, flava, nitida, pectore, 

 scutello capiteqvie nigris, antennis ad apicem albidis ad basin 

 fulvis ; thorace convexo, lasvi ; elytris crebre punctatis, utroque 

 suturse basi, vitta humerali longe ante apicem abbreviata et pone 

 medium interrupta punctisque duobus discoidalibus, uno prope 

 medium, altero inter medium et apicem positis, nigris. 



Var. A. Elytri vitta humerali ramulam transversam ad punc- 

 tum primum emittenti. 



Var. B. El^'trorum signaturis nigris plus minusve obsoletis. 



Long. 3 lin. 



Hah. Bahia (Reed). Type iu coll. Fry and Baly. 

 Yars. A and B in coll. Fry. 



Head not longer than broad, triangular ; clj^peus with a broad 

 ill- defined longitudinal ridge ; antennae filiform, rather more than 

 half the length of the body ; the second joint short, the third 

 nearly twice as long, the fourth equal in length to the preceding 

 two united ; the three lower joints piceous, the three upper ones 



