1878.] MR. M. JACOBY ON PHYTOPHAGOUS COLEOPTERA. 149 



transverse narrow band in the middle extending from one side to the 

 other, and a still more narrow and shorter vitta at the apex flavous. 

 Body beneath black ; legs and tarsi testaceous. 



Length 3 lines. 



Hab. Panama. 



12. DlABROTICA FUSCOMARGINATA, Sp. nOV. 



Elongate, convex, light brown above ; head, disk of thorax, and 

 the elytral margin dark fuscous or black ; head entirely black, im- 

 punctate, with a deep fovea between the eyes, the latter very promi- 

 nent and black, base of the antennae divided only by a sharp longi- 

 tudinal ridge ; palpi and antennae entirely flavous ; thorax scarcely 

 wider than long, quadrate, distinctly emarginate at the sides, the 

 latter slightly W1 dened before the middle, from there straight to the 

 base ; surface very obscurely punctate, shining black or fuscous, with 

 the lateral margins flavous ; scutellum also of this colour ; elytra 

 much wider at the base than the thorax, slightly widened towards 

 the apex, with a narrow but very distinct margin, surface closely 

 and irregularly punctured, of a light brown colour, assuming a 

 flavous hue towards the apex, the base to a greater or lesser extent, 

 and a narrow stripe near the extreme lateral margins not reaching 

 the apex, dark fuscous. Underside, with the exception of the breas" 

 (which is black), and legs entirely testaceous. 



Length 4£ lines. 



Hab. Volcano of Irazu, Costa Rica. 



Collected by Mr. Rogers. 



13. DlABROTICA MULTI PUNCTATA, Sp. nOV. 



Head, thorax, and a narrow sutural and lateral margin of the 

 elytra rufous ; elytra flavous, each elytron with eight small black 

 spots ; head impunctate, with a deep fovea in the middle; antennae 

 robust, dark rufous or fuscous ; thorax transversely quadrate, disk 

 bifoveolate, with a black spot in front of each fovea ; scutellum black, 

 impunctate ; elytra subdepressed, widened behind, flavous, the spots 

 placed as follows— one immediately below the base near the scutellum, 

 a second one below the first but near the lateral margin, three 

 placed transversely in the middle, a triangular- shaped spot directly 

 below, and two others, transversely placed, at a little distance from 

 the apex, the sutural and lateral margins rufous. Body below 

 black, closely pubescent ; femora testaceous, with a black line above; 

 tibiae and tarsi dark fuscous or black. 



Length 3 lines. 



Hab. Mexico. 



Allied to D. mexicanu, Harold, but principally differing in the 

 rufous emargination of the elytra. 



14. DlABROTICA NIGROLINEATA, Sp. nOV. 



Elongate, light flavous ; head and two longitudinal vittea on each 

 elytron black ; head impunctate, with a deep fovea in the middle ■ 

 antennae longer than half the length of the body, with the third 



