OCR Text |
Show 1897.] PHYTOTHAGOUS COLEOPTERA OF AFRICA. 537 gradually thickened; thorax twice as broad as long, scarcely narrowed in front, the lateral margins strongly rounded, the base very narrowly marginate, the surface remotely, irregularly, and finely punctured on the disc, the sides nearly impunctate, the anterior margin with an indication of a short transverse groove at the sides ; elytra slightly wider at the base than the thorax, without basal depression, the shoulders rather prominent, the punctures round and deep, more widely separated at the sides than near the suture, and nearly disappearing at the apex, the lateral margin impressed wdth a row of deep punctures : underside darker, impunctate; the prosternum broad, widened at the base ; femora unarmed ; claws bifid. Hah. Madagascar, Diego-Suarez (Ch. Alluaud). A very small species, allied to /. antennarius. Har., but the antennae with different black-coloured joints and the thorax punctured, not smooth ; the general size smaller. IVONGIUS LEFEVREI, n. Sp. Testaceous; head distinctly punctured; thorax transverse, closely punctured at the sides ; elytra strongly and closely punctate-striate ; femora unarmed. Length | line. Head rather closely and distinctly punctured, the eyes surrounded by a narrow oblique sulcus ; the clypeus separated from the face by a deep groove, transversely subquadrate, finely punctured ; antennae extending to the middle of the elytra, the terminal joints thickened, stained with fuscous, the second one as long as the third joint; thorax nearly twice as broad as long, the sides deflexed, the lateral margin strongly rounded, the surface finely and closely punctured, the punctures partly confluent at the sides, the middle more sparingly punctured; elytra scarcely wider at the base than the thorax, rather elongate, impressed with round, deep, and closely placed punctures, which become finer towards the apex, the interstices flat, except the outer one near the lateral margin, which is slightly raised: underside impunctate, slightly darker than the upper surface ; the femora unarmed. Hab. Madagascar. Bather smaller than /. minutus and differing in the finely and closely punctured sides of the thorax, the strongly punctured elytra, and other details. I have received several specimens from M . Donkier of Paris. EHEMBASTUS CYLINDRIFORMIS, n. sp. Subcylindrical, black, above metallic aeneous or bluish, the basal joints of the antennae and the tibiae fulvous ; thorax closely punctured ; elytra strongly punctate-striate. Length 1 line. Head finely but not closely punctured; the clypeus scarcely |