222 



yellow beneath, and red interiorly. Anus of the male above and posterior 

 tibiae red. Facial carina; of the cheeks distinct. Posterior area of the pro- 

 notum punctate ; sides and carinse smooth, shining ; the posterior sulcus only 

 cuts the dorsal carina. Sub-anal plate of the male acute ; supra-arial lamina 

 trigonal, bi-carinate. Elytra not passing the first abdominal segment. 



Length, 1 inch. 



Mexico (Saussure). 



FEKOTETTIX, Burm. 



Division 1 (Sauss). — Body short, robust. Face slightly deflexed. Eyes 

 large, rather short. Pronotum coarctate in front, short ; lateral carinee, and 

 sometimes even the middle one, evanescent. Antennae short. Abdomen of 

 the male convex beneath ; cerci very short. {Pezotettix proprie dicta.) 



1. Wings and elytra more or less obliterated. 



P. septentrionalis, Sauss., Rev. et Mag. ZooL, XIII (1861), 159. 



Fuscous-red; punctate. Foveola of the vertex small, deflexed; eyes 

 large, elongate, acuminate above and below ; anterior margin truncate. Pro- 

 notum carinate, interrupted in the middle by the posterior sulcus ; lateral 

 margins acute (?); posterior margin obtuse-angled. Elytra shorter than the 

 abdomen ; front margin dilated near the base ; apex attenuate, fuscous, 

 tinged with roseate. Wings pellucid, sub-roseate. Posterior femora with 

 two yellow fasciae; in the female shorter than the abdomen. Tibiae red; 

 spines black. 



Length, 1.12 inches. 



Labrador (Saussui-e). 



2. Wings and elytra complete; equal to or longer than the abdomen. 



P. mexicaiia, Sauss., Rev. et Mag Zool., XIII (1861), 160. 



Of small size, fuscous and gray. Prosternal spine conoid, acuminate. 

 Occiput convex ; eyes large, broad ; anterior margin straight ; foveola of the 

 vertex ovate, deflexed, with raised margins. Pronotum flat above, carinate 

 throughout ; carina interrupted only by the posterior sulcus ; posterior por- 

 tion of the sides punctate ; anterior portion polished, with a fuscous spot 

 running nearly to the eye. Elytra a little longer than the abdomen, gray and 

 fuscous, a row of fuscous dots along the disk. Wings hyaline, l:)luish at the 



