OCR Text |
Show 1878.] MR. M. JACOBY ON PHYTOPHAGOUS COLEOPTERA. 991 18. DORYPHORA HYBRIDA, sp. nov. Ovate, black below. Head and thorax greenish black, distinctly punctured. Elytra geminate punctate-striate, testaceous; the suture, the outer margin, aud two transversely placed large irregularly shaped spots, one placed before, the other behind the middle, as well as the base narrowly, greenish black. Length 8 lines. Antenna? rufous. Thorax not very strongly or closely punctured; the intervals also minutely punctate. Scutellum black. Elytra convex, geminate-punctate-striate, each puncture surrounded by a piceous spot; the extreme base, a spot on the shoulder, the outer margin, tbe suture (which is widened below the base into a square-shaped spot), and a transverse patch, consisting of two united spots before the middle as well as a similar shaped one (formed by three united spots) behind the middle, greenish black. Underside and legs black. Hab. Peru. Collection Jacoby. The insect before me is so exactly similar in markings to the Doryphora imperialis of Stal, that it may be only a variety of that species. The colour, however, instead of being rufous, is greenish black. The elytra, besides having the sutural stripe broader, are also marked with regular rows of small piceous spots which surround the puncturing everywhere ; and the underside is shining black. 19. DORYPHORA MILITARIS, sp. nov. Greenish seneous, shining. Elytra closely punctate-striate, four roundish spots placed transversely at the base, two others behind the middle, with two submarginal longitudinal vittse from the middle to the apex, light flavous, margined with rufous. Length 6 lines. Head closely punctured, dark brownish green, labrum fulvous ; antennse gradually thickened towards the apex, the basal joints shining fulvous, the rest greenish aeneous. Thorax closely and deeply punctured towards the sides, much more sparingly punctate ou the disk, the intervals also minutely punctured. Scutellum smooth. Elytra moderately convex, closely and rather regularly punctate-striate, the punctures diminishing towards the apex; of a greenish seneous colour; each elytron with two spots near the base, of which one is placed on the shoulder, another near the scutellum, an elongate spot behind the middle near the suture, and a longitudinal stripe near the outer margin, from immediately behind the middle to the apex, flavous, all the markings surrounded by a narrow rufous border. Underside shining greenish black ; legs more brownish ; mesosternal process slightly curved and pointed. Hab. Columbia. M y collection. 20. DORYPHORA OCELLATA, sp. nov. Ovate, very convex, testaceous. Thorax with four piceous spots. |