i6o TKTTIGID.R OF NORTH AMERICA 



nearly so; front margin rounded-angulate, advanced one- 

 fourth to one-third its width; hind process abbreviated, not 

 reaching the end of the femora; lateral lobes with the pos- 

 terior sinus of usual size, sometimes a little shallow. Elytra 

 of usual size and form, with a subapical oblique pale bar. 

 Wings absent. Color black, except the face below the eyes, 

 the apex of the pronotum, and the apex and venter of the 

 abdomen; tibiae and tarsi fasciated with fuscous. 



Length of body, .f,, 8.5-9 mm.; pronot., 8-8.5 mm-: post. 

 fern., 5.5-6.4 mm. 



Locality, Mexico, Xucumanatlan, Omilteme in Guerrero, 

 7,000 to 8,000 feet (H. H. Smith). 



Three males. In color this species presents a notable 

 exception to the general reddish brown hue prevalent in the 

 genus (Morse). 



Tettigidea nigra, Morse, Biol. Cent. Am. Orth., ii, 15, 

 18 fig. (1901); Scudder, Index N. Am. Orth., 315 (1901). 



TETTIGIDEA TECTA, MORSE. 



Vertex horizontal, advanced before the eyes a distance 

 equal to one-fourth its width, angulate, with subprominent 

 median carina, which extends well backwards; the lateral 

 margins converging backwards to its narrowest part just in 

 front of the coronal lobes, where its width is one and a half 

 times that of one of the eyes. Facial costa with upper and 

 lower halves nearly equal in width. Pronotum distinctly tecti- 

 form, especially in the female; the anterior margin strongly 

 advanced, one-third its width or a little more, parallel to the 

 sides of the vertex, angulate at the ajiex; surface smoothly 

 granulate; median and lateral carina; prominent, with two to 

 four irregular additional ruguLx; scapular area present, narrow; 

 posterior sinus of the lateral lobes shallow; hind process 

 abbreviated. Elytra rather shallow, long-elliptic, unmarked. 

 Wings absent. Femora stout, especially the posterior pair, 

 in which the upper margin of the external pagina is distinctly 

 convex and that of the femur itself straight. 



Length of body, ^t, 9 mm.; pronot., 8.5 mm.; [lost. fern.. 



