OCR Text |
Show 1878.] MR. M. JACOBY ON PHYTOPHAGOUS COLEOPTERA. 145 oblique depression at a little distance from the anterior angles, surface distantly but distinctly punctate ; scutellum smooth, metallic green. Elytra scarcely wider at the base than the thorax, evenly rounded towards the apex, finely punctate-striate, the interstices plane; the entire lateral margin, with the apex to a greater extent, is of a bright, shining, metallic green, while the rest of the surface is of a light fulvous colour, where the punctures are also surrounded by a piceous spot. Underside (with the exception of the thorax and part of the breast) and legs entirely fulvous. Length 2 to 2\ lines. Hab. Amazons. Collection Jacoby. Family CHRYSOMELID.E*. Genus DORYPHORA. 4. DORYPHORA FLAVOGUTTATA, sp. nov. Ovate, convex, above dark brown with a slightly greenish tint, each elytron with three fulvous spots; head greenish black, sparingly but distinctly punctured, the punctures on the clypeus more strongly marked ; antennae black, with the underside of the first joint testaceous, as well as the apex of the last joint; thorax with the middle of the anterior margin nearly straight, the lateral margins a little thickened and evenly rounded anteriorly, surface but little shining, of the same colour as the head, deeply punctate, more closely so towards the sides ; scutellum triangular, smooth; elytra much wider than the base of the thorax, convex till their middle, but rather suddenly declining towards the apex, surface punctured in the same way as the thorax, and partly arranged in double lines of striae, each elytron with an oval patch near the scutellum, a transverse one in the middle, and another smaller near the apex, the latter spot sometimes obsolete, of a reddish fulvous colour. Underside and legs greenish, shining ; the mesosternal process straight and very acute. Length 5 lines. Hab. Volcano of Irazu, Costa Rica. 5. DORYPHORA PUNCTIPENNIS, sp. nov. Oblong, convex, above brown; base, lateral margins, a transverse vitta, and a subsutural stripe near the apex, of the elytra, flavous ; head light brown, with a slight greenish reflection, moderately close and distinctly punctured, labrum lighter-coloured; antennae larger than the thorax, with the first five joints shining brownish green, the basal joint testaceous below, the rest blackish, hairy ; thorax narrowed at the base, from there diverging to the apex, the anterior angles acutely produced, of the same colour as the head, very deeply and coarsely punctate towards the sides, on the disk a little less closely, and leaving a longitudinal middle line smooth ; scutellum impunctate ; elytra much wider at the base than the thorax, closely variolose-punctate, the punctures arranged in striae towards the suture, and everywhere distinctly visible to the naked eye, of the PROC. ZOOL. Soc-1878, No. X. 10 |