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Show 440 MR. MARTIN JACOBY ON NEW SPECIES [Nov. 28, transverse; antennae long and slender, black, the lower three joints more or less piceous below, third joint shorter than the fourth, intermediate joints slightly widened ; thorax more than twice as broad as long, the sides strongly rounded and deeply sulcate, anterior angles distinctly produced into a tooth, the disc fulvous, minutely punctured when seen under a very strong lens ; scutellum black, broad; elytra widened towards the middle, testaceous, with three metallic green transverse bands which do not extend to the lateral margins ; of these bands, which are all connected with each other at the suture, the first is of somewhat irregular shape and does not extend to a third of the length of the elytra, its posterior edge is irregularly serrate, the second band at the middle is broader (in a longitudinal sense) and of more regular shape, the third band is again narrow and more or less curved and does not extend to the apex, which remains of the ground-colour; below and the legs black, metatarsus of the posterior legs shorter than the following two joints together, claw-joint strongly swollen. Hab. Pachitea, Peru. A handsome species, distinguished by the three bright metallic green elytral bands. O e d io n y ch is il l u s t r is , sp. n . (Dej. i. litt.) (Plate XV. fig. 1 1 .) Testaceous, the legs dark fulvous; thorax short, impunctate ; elytra convex, scarcely perceptibly punctured, a broad transverse band at the base, another below the middle, not extending to the suture, and the apex purplish violaceous. Length 8 millim. Head impunctate, the vertex obscure purplish, the rest of the face testaceous; clypeus strongly raised in shape of a triangular ridge; eyes large; antennae piceous, the basal joint testaceous below, third joint shorter than the fourth; thorax short and transverse, the sides broadly flattened, the anterior angles produced but scarcely dentiform, the surface impunctate, testaceous ; scutellum black; elytra widened towards the middle and convex, extremely minutely punctured, flavous, with two transverse broad purplish bands-the first at the base, not quite extending to the middle nor to the lateral margins, the second, in shape of a transversely subquadrate band, not extending to either margin, another triangular spot occupies the apex ; all these bands are separated by nearly equal narrow spaces of the flavous groundcolour, but the basal band extends across the suture; under side and the base of the anterior and intermediate femora testaceous, the rest of the legs and the posterior femora dark fulvous. IIab. Cayenne. A species of broadly ovate shape and resembling in its markings 0. bitceniaia Baly, but in that species the second elytral band extends to the suture, all are of much more narrow shape, and dull blue instead of metallic purple. |