OCR Text |
Show 1899.] PHYTOPHAGOUS COLEOPTERA OF AFRICA. 363 Length 6 millim. Of ovate convex shape ; the head impunctate, flavous, the vertex black and shining, the frontal tubercles strongly developed, transverse ; labrum black ; the antennas rather stout, black, the basal joint short and thick, the second short, the third twice as long, the follovAing joints slightly thickened and more elongate ; thorax about one-half broader than long, the sides rounded, the posterior angles obliquely rounded, posterior margin truncate at the middle, the surface entirely impunctate, shining, pale fulvous; scutellum broad, black; elytra widened towards tbe middle, convex, entirely impunctate, their epipleuras disappearing at the middle; below and the legs black, all the tibiae Avith a spine; the anterior coxal cavities open. Hah. Bedford, Pt. Elizabeth, S. Africa (Rev. O'Neil). The entirely impunctate upper surface of this species at once distinguishes it from 0. mutahilis. LUPERUS FLAVICINCTUS, Sp. U. Black; basal joints of the antennae, the thorax and the legs flavous ; thorax impunctate; elytra bluish black, finely punctured, the lateral margins below the middle broadly flavous, the disc with some single hairs. Length 4 millim. Head entirely impunctate, black, shining, frontal elevation strongly developed, elongate; clypeus thickened ; antennas extending beyond the middle of the elytra, black, the lower three joints flavous beloAv, the second and third joints small, nearly equal, following joints more elongate; thorax subquadrate, scarcely broader than long, the sides slightly constricted at the base, feebly rounded at the middle, the angles dentiform, the surface entirely impunctate, flavous, very shining ; scutellum black ; elytra much wider at the base than the thorax, convex, slightly Avidened at the apex, bluish black, the surface finely and closely punctured, the interstices finely Avrinkled, the lateral and apical margins from the middle broadly flavous ; the breast and abdomen black, the legs flavous, the tarsi more or less fuscous, the metatarsus of the posterior legs as long as the following joints together. Hab. Cameroons (Conrad). LUPERUS DISCICOLLIS, Sp. U. Black, the sides of the thorax, the femora, and the abdomen flavous ; thorax impunctate ; elytra finely punctured and minutely granulate. Length 5 millim. Head rather elongate, black, impunctate, the frontal elevations subquadrate, nearly contiguous : clypeus broad, triangular, strongly raised; eyes large ; the antennas black (the terminal two joints wanting), basal joint thickened, the second scarcely shorter than the third joint, fourth as long as the preceding three joints together; thorax about one-half broader than long, the sides |