OCR Text |
Show 1889.] COLLECTED IN VENEZUELA. 289 sutural and lateral margin, a spot at the apex, and a narrow lateral longitudinal stripe greyish white. Length 2 lines. Head somewhat broader than long, the vertex fuscous, finely rugose and pubescent, the lower part pale greyish ; antennae only extending to the base of the elytra, black, the third joint the longest, the intermediate ones slightly but distinctly widened ; thorax transverse, short, the sides strongly rounded at the middle, the surface transversely depressed, the depression more distinct at the sides, the middle of the disk with a short longitudinal groove, the surface very finely rugose and pubescent, of a pale greyish colour with the middle of the disk more or less fuscous ; scutellum not longer than broad ; elytra narrowly parallel, sculptured and pubescent like the thorax, obscure fuscous, with the sutural and lateral margins very narrowly grey, a similar coloured round spot placed at the apex and an obscure narrow longitudinal stripe (sometimes extending to the base, but always abbreviated posteriorly) at the sides; legs pale testaceous, the femora with a more or less distinct dark spot, and the apex of the tibiae and tarsi fuscous; underside piceous or nearly black. La Guaira. 8. unistriata closely resembles S. ajricalis, Clark, but seems to differ in the paier colour of the thorax and that of the legs and in the similar coloured elytral stripe at the sides ; the insect may possibly be a local variety of Clark's species. LUPERUS MARGINATUS, n. sp. Testaceous ; the upper portion of the head and the antennae and abdomen black ; thorax black, the sides narrowly flavous ; elytra finely punctured, black, the lateral margins flavous. Length 1^ line. Head broader than long, black, the lower half testaceous ; the vertex impunctate, deeply transversely grooved between the antennae ; the frontal elevations transverse; the clypeus thickened ; antennae two thirds the length of the body, slender, black, the lower three joints testaceous below, the third joint twice as long as the second but shorter than the fourth joint; thorax nearly twice as broad as long, narrowed at the base, the sides rounded before the middle, the surface very finely and rather closely punctured, black, very narrowly margined with testaceous at the sides ; elytra finely and very closely punctured and wrinkled, black, the lateral and apical margins flavous, more broadly so than that of the thorax ; abdomen black ; legs and breast flavous ; the tibiae with a minute spine, the first joint of the posterior tarsi rather longer than the three following joints together ; claws appendiculate. Colonia Tovar. Three specimens. LUPERODES INORNATUS, n. sp. Obscure testaceous; antennae fuscous; head with one, thorax with four or five piceous spots; elytra very finely and closely punctured ; the extreme sutural and lateral margins piceous. |