. Annual report. Agricultural education. 130 AGRICULTURAL COLLEGE. [Jan. Synopsis of the Tettigince. Pronotum arched roundly Batrachidea. Pronotum nearly or quite horizontal 2. Antennas with thirteen or fourteen joints . . Tettix. Antennae with twenty-two joints .... Tettigidea. Genus Tettix. Fischer (1853). Head generally small; eyes globular, somewhat prominent; antennae composed of thirteen or fourteen joints, filiform.; prono- tum extending back over the abdomen to or beyond its extremity ; the lower anterior angle of the sides angulated and bent inward; the lateral carinas somewhat promin
. Annual report. Agricultural education. 130 AGRICULTURAL COLLEGE. [Jan. Synopsis of the Tettigince. Pronotum arched roundly Batrachidea. Pronotum nearly or quite horizontal 2. Antennas with thirteen or fourteen joints . . Tettix. Antennae with twenty-two joints .... Tettigidea. Genus Tettix. Fischer (1853). Head generally small; eyes globular, somewhat prominent; antennae composed of thirteen or fourteen joints, filiform.; prono- tum extending back over the abdomen to or beyond its extremity ; the lower anterior angle of the sides angulated and bent inward; the lateral carinas somewhat prominent, convergent near the front border. Wing covers short, in the form of oval scales. Wings well developed, usually as long or longer than the abdomen, and slightly curving upward at the end. Pronotum without any spine or tubercle. Species small. The species may be separated as follows : — , / Length about half an inch . I Length about one-fifth of an inch Length to tip of wings, .55 to .60 of an inch Length to tip of wings half an inch or less . Pronotum advanced to the eyes Pronotum not advanced to the eyes 2-{ 2. triangularis. granulatus. 3. cucullatus. ornatus. Tettix granulatus. Kirby. Cinereous, obscurely clouded with black, the whole body granu- lated with very minute, elevated, whitish points. Pronotum longer than the abdomen, tricarinate. Tibiae reddish, ob- scurely banded with white. Body black, sprinkled Avith numberless very minute elevated points or gran- ules. Pronotum cinereous, clouded obscurely with black; the middle carina straight, and the lateral ones curved at the base. The rudiments of wing covers cinereous, ridged, with excavated punctures ; nerves of the wings black, those of the costal area white. The *Llg'?8' & 7 Tettix fore anterior tibiae reddish, obscurely annulated with granulatus. white. Length, nearly half an inch. Tettix ornatus. Say. Smaller than T. granulatus; vertex but little in advance of the eyes, and front border nearly straight, in
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