440 MR. M.JACOBY ON NEW COLEOPTERA. [May 20, 



3. DlSONYCHA TRISTIS, Sp. nOV. 



Ovate, convex, black, opaque. Thorax testaceous, with five piceous 

 spots ; elytra black, opaque, alutaceous, with two very narrow longi- 

 tudinal flavous vittse, joined at the apex. 



Length 3 lines. 



Head deeply and very closely punctate, with a transverse fovea 

 between the eyes, and a short longitudinal raised elevation towards 

 the vertex ; antennae with the fourth joint longer than the third, 

 elongate to the fourth joint, from there with distinctly shorter and 

 thicker joints, black, base and underside of first three joints testa- 

 ceous. Thorax rather narrow, transverse, base sinuate each side, 

 surface finely and irregularly punctate, testaceous, four transversely 

 placed spots near the anterior margin and another near the base 

 piceous ; scutellum opaque ; elytra a little widened posteriorly, 

 rather convex, finely alutaceous, black, without any gloss, with two 

 very narrow longitudinal vittse, of which one is placed near the 

 sntural, the other near the lateral margin, and which are joined near 

 the apex, of a flavous testaceous colour. Below and legs black, also 

 opaque. 



Hab. Brazil. 



This species may be distinguished from others similarly marked 

 by the coarse punctuation of the head, the opaque colour of the 

 elytra, and the very narrow vittee of the latter. 



Genus Nephrica, Harold. 



4. Nephrica marginata, sp. nov. 



Elongate-ovate ; black, very shining. Head, thorax, and lateral 

 margins of the elytra, as well as the apex of latter, light testaceous. 



Length 3f-4 lines. 



Head impunctate, eyes moderately deep, emarginate, kidney- 

 shaped ; base of labrum and the palpi dark piceous ; antennae ro- 

 bust, third and fourth joints equal, the two basal joints stained below 

 with flavous, the rest black. Thorax narrow, its sides broadly mar- 

 gined, the anterior angles convex, obtusely rounded outwards, basal 

 margin rather deeply concave at either side, surface irregularly de- 

 pressed, with a short oblique groove near the posterior angles ; disk 

 almost impunctate, with a row of deeper punctures running parallel 

 with the lateral margins. Scutellum smooth, broad, apex rounded ; 

 elytra rather depressed below the base, distinctly margined and 

 very minutely punctate, of a very shining deep black colour, the 

 entire lateral margins narrowly, as well as the apex more widely, 

 light testaceous-coloured. Underside and legs black, claws not 

 swollen. 



Hab. Peru. 



Two specimens in my collection. 



Genus Homophceta, Erichs. 



5. H. variabilis (cequatorialis, Harold?). 



Elongate, subparallel, black, above flavous ; elytra with the lateral 



