OCR Text |
Show 1881.] COLEOPTERA F R O M ECUADOR. 263 The head, the middle of the sterna and the middle of the base the abdomen are reddish yellow. The legs are yellow, with the base of the tibiae dusky. 15. CEPHALOLIA FELIX, n. sp. (Plate XXX. fig. 8.) C elongata, angusta, flavo-rufa, nitida; antennis nigris, apice flavis, elytris sutura apicem versus marginibusque nigris, corpore subtus pedibusque rufo-fiavis. Long. 2 | lin. Antennae moderately long, the three apical joints yellow ; the third joint nearly twice as long as the second. Head with a small impression on the vertex. Thorax a very little wider than the head, a little broader than long, parallel, convex, with an impression on each side of the basal median lobe, not very closely but strongly punctured, with a narrow smooth median line; the front margin moderately arched; the anterior angles obtuse, and not so far advanced as the front margin; the sides straight, finely margined ; the posterior angles a trifle greater than right angles; the basal lobe rather broad, and somewhat straight near the scutellum. Elytra nearly twice as broad as the thorax, elongate, a little broader before the apex than at the base, slightly impressed in the middle of the base, strongly punctate-striate, the striae near the base only indicated by a few punctures, the interstices narrow and rather elevated; the margins (commencing below the shoulders) and the suture for half its length are black. This species is closely allied to the preceding, both being of nearly the same form, agreeing in having the apex of the antennae pale. They appear to be most nearly allied to Cjaveti, Baly, but are still very distinct. 16. CEPHALOLIA ANGUSTICOLLIS, n. sp. (Plate XXX. fig. 4.) C nigra nitida; thorace vix marginato, parce punctato. Long. 2f lin. Head narrow, with a fine median frontal ridge, which terminates between the antennae in a minute, acute point; the internal margin of the eye is acutely raised. Thorax much narrower than the elytra, very little broader than long, convex, parallel, moderately strongly and somewhat sparingly punctured; the sides and anterior border extremely finely margined ; the base only margined in the middle ; the anterior angles rounded, the posterior slightly acute. Scutellum smooth, a little narrower at the base than across the middle, not very acute at the apex. Elytra subparallel, not much narrowed towards the apex, with lines of distinct punctures ; there is a strongly impressed sutural stria, which, however, does not extend to the base of the elytra; the apex is very obtuse; on the lateral margin, a little below the shoulder, there is a distinct but shallow elongate impression. This species is certainly congeneric with Cephalolia angustata, Guerin, but differs specifically from it in being of a rather broader form, &c. Both these insects resemble the species of the genus |