OCR Text |
Show 368 MR. M. JACOBY ON T H E [Mar. 7, HEMIXANTHA INCONSPICUA, sp. n. Elongate, convex, black, above obscure testaceous or fuscous ; head with one, thorax with several confluent greenish-black spots, finely punctured ; elytra very finely and closely punctured. Var. Thorax obscure fulvous, the disc darker. Length 8 millim. Of parallel convex shape ; the head finely and closely punctured, obscure fulvous, the vertex AAith a round greenish-piceous spot, frontal tubercles small but rather broad ; eyes large ; antennae extending to the middle of the elytra, black, filiform, the third joint one-half longer than the second, but distinctly shorter than the fourth; thorax one-half broader than long, the sides rounded, the anterior angles in shape of a small tubercle, the surface somewhat depressed, covered Avith small and larger punctures, the disc more or less distinctly marked with greenish-piceous confluent spots; scutellum broad, black ; elytra wider at the base than the thorax, nearly similarly punctured; uuderside and legs nearly black, finely pubescent, the tibias unarmed, the first joint of the posterior tarsi as long as the following three joints together, claws appendiculate, prosternum indistinct; the anterior coxal cavities closed. Hab. Salisbury, Mashonaland (G. Marshall). Nearly allied to H. scutellata Jac. and H. piceipes, but larger and Avith entirely black antennas, underside, and legs, the head and thorax spotted. The specimens were obtained in sweeping during the months of September and December in marshy places. The head is more closely and distinctly punctured than in H. piceipes, the eyes and the frontal elevations are larger, and the scutellum is broad and black. HEMIXANTHA PICEIPES, sp. n. Head and thorax obscure fuhous, very finely punctured; the antennas, breast, and legs piceous or black ; elytra more or less fuscous, extremely finely punctured and transversely wrinkled. Var. The base of the head and the margins of the thorax flavous, disc of the latter and the elytra and underside piceous. Length 6-7 millim. Head finely punctured, the vertex longitudinally grooved at the middle, frontal elevations rather broad, the clypeus narroAviy triangular ; eyes large in the male, smaller in the female; antennas scarcely extending to the middle of the elytra, black, the third joint double the length of the second, the following joints more elongate ; thorax nearly twice as broad as long, the sides rouuded at the middle, the anterior angles slightly produced, posterior angles rounded, the disc extremely finely punctured, shining; scutellum triangular ; elytra slightly wider at the base than tbe tnorax, extremely closely but scarcely more strongly punctured than the latter, the interstices minutely Avrinkled, the apex nearly impunctate ; below and the legs fuscous or black, shining, finely pubescent; abdomen fulvous. |