South American species of Diahrotica. 29 



excavate, leviter trifoveolato, fovea tertia minus distincta, interdum 

 obsoleta ; elytris tenuiter punctatis, ad latera plicatis, flavis apice 

 rufo-fulvo, utroque maculis quinque 1, 2, 2, nigris, interdum 

 cyaneo tinctis. 

 Long. 2^ — 3 lin. 



Hah. Colombia ; also Central America. Coll. Jacoby 

 and Baly. 



Very similar to D. spilota, mihi ; separated by the 

 more deeply excavated thorax, by the paler antennae 

 and by the absence of the sutural black patch of the 

 elytra. 



Spec. 46. Diahrotica quijidecimpunctata, Germar. 



Spec. Ins., p. 600 (1824). 



Diahrotica nigro-notata, Baly, Journ. Lin. Soc, xix., 

 p. 216. 



Hah. Brazil, Petropolis {Gray) ; Tejuca (Clark) ; 

 Colombia. In most collections. 



After a careful comparison of Brazilian and Colombian 

 specimens, I have discovered that they all belong to a 

 single species, 15-punctata, Ger. 



Spec. 47. Diahrotica Germari. 



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

 unguibus, scutello capiteque nigris, antennis ad basin piceo-flavis 

 ad apicem albidis, thorace leviter bifoveolato ; elytris crebre, sat 

 fortiter punctatis, utroque maculis sex, duabus basalibus, una 

 suturali, communi, altera humerali, necnon duabus ante duabusque 

 pone medium, transversim positis, nigris. 



Long. 4 lin. 



Hah. Colombia, Cauca. My collection. 



Head rather longer than broad ; clypeal ridge raised ; antennae 

 slender, filiform, equal to the body in length, the second and third 

 joints very short, nearly equal, the fourth longer than the preceding 

 two united, the four lower joints piceo-flavous, the four upper ones 

 white, more or less stained with fuscous, the rest black. Thorax 

 nearly one-half broader than long ; sides straight and parallel from 

 the base to beyond the middle, thence rounded and converging 

 towards the apex ; upper surface smooth, disk impressed on either 

 side with a small shallow fovea. Elytra narrowly oblong, dilated 

 posteriorly, convex, coarsely and rather closely punctured. 



