65 



Dimensions. — Length to tip of elytra, 1.50 to 1.65 inches; posterior 

 femora, 1 inch; posterior tibise, 0.95 inch; elytra, 1.08 inch. 



Carolina (De Haan); North America (Serville) ; Florida (Walker); 

 Nebraska (Sciidder in Hayden's Report); 'Kansas (Dodge); Nebraska and 

 Kansas (Thomas). Figured, Glover, Ills. Am. Ent. Orth., PL vi. Fig. 24; 

 PL xi, Fig. 7. 



®. neo-iuexicana, Thos., Proc. Acad. Nat. Sci. Pliila., 1870, 77. 



Female. — Vertex elongate, semi-elliptical, slightly margined. Face more 

 oblique than in O. hnnttata, and head longer; tricarinate ; the frontal costa 

 sulcate. Antennae ensiform, triquetrous, reaching tip of the pronotum. Pro- 

 notum distinctly tricarinate; carina equal, straight, parallel. Elytra and 

 wings about as long as the abdomen. Prosternal spine short and very 

 obtuse. 



Color (after immersion in alcohol). — Face yellow, dotted with red, paler 

 below; a broad, roseate stripe on the occiput bordered with yellow. A 

 reddish-brown stripe on each side from the eye to the posterior margin of 

 the pronotum; median carina, same color; rest of the pronotum yellow. 

 Elytra semi-pellucid; base and stripe along the dorsal sub-margin roseate. 

 Wings transparent ; nerves mostly ochreous, a few near the apex dusky. 

 Legs pale rufous ; femora reddish above, yellow beneath ; spines tipped 

 with black. 



Male. — Much smaller; last ventral segment elongate, pyramidal, entire; 

 the opening on the upper surface. Median stripe of the dorsum broader 

 than in the female. This species is much like O. bivittata, possibly a variety. 



Dimensions. — Length, 9 1.62 inches; to tip of elytra, 1.50 inches; 

 posterior femora, 0.88 inch. Length, $ 1.25 inches. 



Northeastern New Mexico, Wyoming (Thomas). 



©. varipes, Serv., Hist. Orthop., 588. 



Syn., Acridium varipes (?), De Haan, Bijdr. Kenn. Orthop., 144. 



Cone of the vertex long and pointed ; face carined. Pronotum cha- 

 grined, tricarinate ; four distinct transverse impressions. Prosternal point 

 large. Antennae ensiform. 



Color. — Head greenisb ; lateral carinas of the face yellow. Pronotum 

 greenish, margined with yellow. Prosternal point yellowish. Elytra opaque, 

 9 A 



