| OCR Text |
Show 246 MR. M. JACOBY ON PHYTOPHAGOUS COLEOPTERA [Mar. 6, deeper punctures is placed near the lateral margins ; below and the posterior femora piceous ; metatarsus of the posterior legs as long as the following joints together. Hub. Salisbury, Mashonaland (67. Marshall). Smaller than A. durbanensis Jac, the thorax less transverse, the punctuation of the elytra and the striae more widely placed, and the whole insect of half the size only and much less robust. APHTHONA BICOLOR, sp. n. Below bluish black, tbe bead, basal joints of the antennae, the thorax, and the legs flavous ; thorax transverse, microscopically punctured; elytra metallic blue, strongly punctured in closely approached rows; posterior femora dark blue ; abdomen fulvous. Length 3 millim. Of elongate, nearly parallel shape ; the head impunctate, the frontal elevations strongly raised ; the clypeus broadly convex between the antennae, these extending to about the middle of the elytra, black, the four or five lower joints flavous, the second joint scarcely shorter than the third, the following nearly equal; thorax one-half broader than long, the sides rounded, narrowed towards the apex, the posterior margin feebly rounded, the surface convex, flavous, with some extremely fine punctures, visible only under a strong lens; scutellum black; elytra wider at the base than the thorax, very convex, metallic blue or greenish, the shoulders prominent, the punctures rather strong and arranged in closely approached, somewhat irregular rows, the punctures much finer towards the apex, tbe interstices somewhat wrinkled; the breast and the posterior femora bluish black ; tbe rest of the legs and the abdomen fulvous or flavous; posterior tibiae strongly widened and deeply sulcate ; the metatarsus as long as the following joints together. Hab. Headlands, Mashonaland (67. Marshall). Of the same coloration as A. bohemani Jac, likewise an African species, but of double the size, and with strong and very closely approached rows of elytral punctures. APHTHONA MARGINATA, sp. n. Fulvous, the thorax subquadrate, impunctate; elytra verv closely and finely punctured, metallic blue, the lateral margins flavous ; apex of the posterior femora piceous. Length 2\ millim. Head impunctate, the frontal elevations feebly raised, broadly tri-gonate, the carina rather elongate, distinct; antennae extending below the middle of tbe elytra, entirely fulvous, the second joint one-half shorter than the third, this and the fourth equal, the following joints more elongate and slender; thorax one-half broader than long, the sides feebly rounded, scarcely narrowed anteriorly, the angles distinct, the surface convex, fulvous, impunctate ; scutellum black; elytra slightly wider at the base than the thorax, the shoulders prominent, the surface very closely and finely punctured, |
