OCR Text |
Show 474 MR. c. o. W A T E R H O U S E O N T H E [Apr. 5, not divided by a lamina, not prominent laterally. Head below with a deep transverse impression, above with a ridge over each eye. Epistoma with a somewhat acute projection in the middle of the front margin, the labrum distinctly visible from above. Antennse with the third joint scarcely twice as long as the second. Body not very convex, not pubescent. Thorax as broad or rather broader than long, the sides gently arcuate. The elytra with distinct shoulders, about one third longer than the head and thorax together, margined at the base, somewhat produced at the apex. The species upon which I establish this genus very much resembles Thalpophila abbreviate, Fabr., in form, but is shining black or without pubescence. It has, however, the gular line transverse and not oblique at the sides, as in Thalpophila. I propose to place it before Tentyria (following Dr. Kraatz in classification), so that it may come in proximity to those genera which have the labrum exposed. The second species closely resembles the first, but has the throat more approaching that of Anatolica. The third species somewhat resembles a species of Dichomma. 6. EUSYNTELIA BALFOURI, n. sp. (Plate XLIII. fig. 5.) Nigra, nitida; capite crebre subtiliter punctulato lineisque non-nullis longitudinalibus impresso; thorace la?vi, latera versus suBtiliter sat crebre punctulato; elytris fortiter sulcatis, inter-stitiis sat convexis, subtilissime disperse punctulatis. Long. 6^-8\ lin. Head finely or moderately thickly punctured, with several irregular longitudinal impressed lines on the forehead, deeply impressed within the ocular ridge; the clypeus produced in the middle into a point, which is slightly bent down at the apex. Eyes not much convex, slightly reniform, the upper part the larger, not so prominent as the head in front of the eye, supported posteriorly by a swelling of the neck. Thorax not quite twice as broad as the head, about one fifth broader than long, only gently convex; finely margined all round, except in the middle of the anterior margin ; arcuately emarginate in front, slightly narrowed in front and behind ; the anterior angles blunt; the sides gently arcuate; the posterior angles a little greater than right angles and blunt; the base scarcely sinuate on each side, gently lobed in the middle. Scutellum small. Elytra at their base not broader than the base of the thorax, and fitting close to it, gradually and slightly widening to the middle, and then again narrowed to the apex, not very convex, rather depressed on the back ; rather strongly and obtusely sulcate, the interstices rather convex, extremely delicately and not very closely punctured ; the apex somewhat produced and impressed above. Antennse as long as the head and half the thorax. Posterior tibiae closely and rather strongly punctured on their upper edge, the punctures almost asperate. 7. EUSYNTELIA EBENINA, n. sp. Nigra, nitida; capite suBtiliter punctulato, thorace fere la?vi, |