68 TETTIGID.E OF NORTH AMERICA 



in dorsal view |jrominent, moderately large; body 

 rather slender, pronotal process posteriorly ex- 

 tenuate acute. arenosiis, Burm. 



8 A. I'ronotum and wings abbreviated; dorsum between 

 the shoulders broader depressed; frontal costa more 

 abruptly furcate, the rami more appreciably sepa- 

 rated, a. cost at us, var. n. 



g. Vertex slightly depressed anteriorly, in profile ad- 

 vanced beyond the eyes, equal to about one-fourth 

 the diameter of one of them; frontal costa in profile 

 distinctly sinuate; eyes of medium size; body moder- 

 ately robust. obsairus, Hanc. 



gA. Pronotum anteriorly before the shoulders more or 

 less strongly constricted, gibbose; median carina 

 low, frequently indistinctly undulate, posteriorly 

 subhorizontal. gibbosiis, Hanc. 



gB. Median carina of pronotum posteriorly with small 



undulations. var. fluctiiosus, Hanc. 



gC. Body very small; dorsum anteriorly gibbose,' posteri- 

 orly strongly flattened. var. decoratus, Hanc. 



10. Lateral carina; of pronotum decidedly compressed; 

 dorsum behind the shoulders compresso-narrowed. 



blatclilcyi, sp. n. 



GEN. TETTIX, CHARP. 



Body lightly rugose, granulate. Vertex viewed from above 

 wider than one of the eyes, laterally more or less sinuate; 

 middle carinate, anterior border angulate, or convex or sub- 

 truncate, viewed in profile more or less distinctl}' produced 

 in advance of the eyes. Frontal costa more or less or not at 

 all sinuate. Antennae short, not reaching to the shoulders, 

 stout or slender, consisting of twelve to fourteen articles, 

 inserted hardly in advance of the eyes. Dorsum of pronotum 

 transversely between the shoulders may be subcompressed, 

 tectiform, flattened, subconvex, or lightly depressed; pro- 

 notum truncate anteriorly or antero-dorsal margin scarcely 

 angulate, posteriorly extenuate acute or the apical process 



