OCR Text |
Show 150 MR. M. JACOBY ON PHYTOPHAGOUS COLEOPTERA. [Feb. 5, joint scarcely double the length of the second, the middle fuscous, the first and three last joints almost white, extreme apex fuscous; thorax quadrate, obsoletely impressed on the disk, the latter impunctate, shining flavous ; scutellum black ; elytra irregularly and closely punctate, of a little lighter colour than the thorax, the base, suture, a submarginal longitudinal stripe from the base to the apex, and another stripe on the disk of each elytron, not reaching the apex, black. Body below and femora testaceous ; breast, tibiae, and tarsi black. Length 3 lines. Hab. Guatemala. Collected by Mr. Salvin. 15. DIABROTICA VIRIDIMACULATA, sp. nov. Above black; thorax, a round spot near the base, a transverse vitta behind the middle, the apex, and the extreme lateral margin of each elytron greenish ; head black, shining, impunctate, with a deep fovea in the middle ; antennae long, filiform, with four middle joints fuscous, the others light testaceous ; thorax quadrate, obsoletely impressed on the disk with two foveae, and a smaller one near the base ; scutellum obscure fuscous ; elytra widened behind, narrowly margined, surface closely and finely punctate, with a short longitudinal depression near the sides, black, the margins, a large round spot occupying the apex, another smaller one below the base, and a transverse band behind the middle, not quite touching the suture, light greenish. Underside light flavous; breast, tibiae, and tarsi fuscous. Length 3 lines. Hab. Cayenne. Collection Jacoby. 16. DIABROTICA GRACILIS, sp. nov. Oblong, green, each elytron with the base and a spot near the apex fulvous ; head black, impunctate ; antennae with the second and third joints very short, equal, the first joint light green, the second to the eighth fuscous, ninth and tenth joints light flavous, and the apical one black ; thorax quadrate, narrowed near the base, disk bifoveolate, bright green, obsoletely punctured ; scutellum black, smooth ; elytra closely punctate, a little rugose near the sides, of the same green colour as the thorax, the base in shape of a transverse band, and a large round spot near the apex, bright fulvous, the suture in the neighbourhood of the scutellum, and extending to the end of the basal vitta, narrowly edged with black. Underside green; breast, tibiae, and tarsi black. Length 2| lines. Hab. Brazil. 17. DIABROTICA NIGROMACULATA, sp. nov. Elongate, green ; head and five markings on the elytra black ; head shining, with the usual fovea in the middle ; antennae dark |