OCR Text |
Show 618 MR. MARTIN JACOBY ON NEW [Nov. 6, and do not quite extend to the sides or the apex ; underside and legs fulvous, clothed with fine yellowish pubescence. Hab. Amazons. (EPIONYCHIS PULCHELLA (Chevr. in litt.). Black, the clypeus and thorax flavous, the latter impunctate; elytra finely and very closely punctured, fulvous, a narrow transverse band at the base, the suture, and a broad band below the middle, nearly extending to the apex, metallic blue. Length 2 | lines. Head rather closely punctured at the vertex, bluish black, the frontal tubercles oblique, the carina indistinct; clypeus flavous; antennae extending to the middle of the elytra, black, the lower three joints flavous below, the third joint distinctly shorter than the fourth ; thorax with rounded sides, rather strongly narrowed in front, the anterior angles produced into a small tooth, posterior margins straight, the surface impunctate, flavous ; scutellum black ; elytra finely but distinctly and very closely punctured, the suture, connected with and widened at the base into a narrow transverse band which does not quite extend to the sides, and a broad and nearly straight band immediately below the middle, extending to the sides but not to the apex, metallic blue; epipleurae flavous ; underside and legs black, abdomen partly testaceous at the middle. Hab. Venezuela. If the blue colour of the elytra is taken for that of the ground, they may be described as metallic blue, with a broad transverse fulvous band, not extending to the suture, commencing directly below the base and extending to the middle, and a small fulvous spot at the apex; the anterior edge of the fulvous band is very convex and obliquely rounded towards the suture ; the blue colour forms a triangular patch at the suture at the base and narrows to a band near the shoulders; the anterior margin of the posterior blue band is nearly straight, the posterior margin rounded. ffiPIONYCHIS CYANEO-FASCIATA, n. Sp. Black, the clypeus flavous, basal joints of the antennae fulvous; thorax flavous ; elytra minutely punctured, flavous, a broad transverse band at the base and a similar band below the middle dark blue. Length 3 lines. Head black, shining, with a few punctures near the eyes, the latter widely separated, the frontal tubercles rather flat, subquad-rate; the clypeus flavous, labrum and palpi piceous; antennae fuscous, the basal five or six joints fulvous, third joint distinctly shorter than the fourth; thorax bright flavous, the sides nearly straight, flattened as usual, the anterior angles acutely produced into a tooth, pointing outwards, the posterior margins somewhat rounded, the surface convex, flavous, with a few minute punctures when seen under a strong lens ; scutellum black; elytra extremely finely punctured, the posterior portion impunctate, the blue transverse bands |