243 



transverse ridges. Hind tiliise with tawny black-tipped spines, those on the 

 inner side twice longer than those on the outer side. Wings truncated at the 

 tips. Elytra with a greenish-yellow stripe, tapering along the hind border 

 from the base for half the length. Wings black, a little shorter than the 

 elytra, with some luteous spots along the costa. 



Length of body, 1.2 to 2 inches ; expansion of clyt-a, 2.5 to 3.5 inches. 



Orizaba (Saussure). 



TETTIGINtE. 



TETTIX, Fflsch. <le W. 



1. Pronotum elongate, straight or sub-ascending; tfte wings elongate, 

 equal to or longer than the pi-oiwtum : 



a. Pronotum truncate in front; vertex narrower than the eye (Sauss.) : 



T. luexicana, Sauss., Rev. et Mag. Zool., XIII, 40. 



Gray or yellow, reticulated with fuscous, a series of spots upon the 

 carina of the pronotum and two marmorate spots behind the shoulders ; legs 

 annulate. Head short ; vertex much narrower than the eyes, acute, truncate 

 and sub-bilobed. Carinse of the face sub-cristiform. Pronotum ilat above, 

 roughly punctate; in the front only with a sub-elevate, arcuate carinse; the 

 posterior extension narrow. The wings passing the pronotum considerably; 

 margin clouded with fuscous, base iridescent. Anterior and middle, femora 

 cristate ; the posterior femora in front of the knee emarginate and furnished 

 with a minute tooth. Valves of the ovipositor denticulate, pilose. 



The male is smaller, slenderer, less rugose, and the carinse less. 



5 Length, 0.5 inch. ^ 0.4 inch. 



Mexico calida (Saussure). 



T. azteca, Sauss , Rev. et Mag. Zool., XIII, 400. 



Similar to the preceding. It differs from that species in having a smallet, 

 narrower, and shorter body; granulose, but not- scabrous (except on the sides, 

 which are perceptibly different). Vertex narrower than the eyes, and dis- 

 tinctly carinated. Pronotum not constricted; furrows equally distinct ; carina 

 less elevated. First and second femora not dilated or lobate. Color fuscous; 

 lower margins of the sides of the pronotum frequently yellow. 



Mexico calida (Saussure). 



