196 



the middle ; the spines correspond in color to the parts. The posterior tarsi 

 have the first two joints red, the last green. Antennae ensiform, of a somber- 

 green, yellowish at the extremity ; the first two joints green. 



Length of the body, 2.25 inches. (Twice inserted). 



North America (Latreille). Probably to be found in United States. 



O. punctipennis, Serv., Hist. Orthop., 590. 



Female. — Body of a yellowish-green. The head of the same color, flat 

 above, having on the sides (laterally) a longitudinal, yellow band ; frontal cone 

 short, margined laterally, round, and obtuse at the tip. Disk of the prono- 

 tum flat, and slightly tricarinate. Elytra as long as the body, slightly opaque 

 at the base of the anterior border, rest transparent ; internal margin gray ; a 

 series of obscure (dusky), unequal dots along the chief longitudinal nerve, 

 but these grow dim toward the extremity. Wings as long as the elytra, 

 transparent, slightly tinged with yellow. Abdomen large. Legs yellowish- 

 green. 



Length, 1.25 inches. (Twice inserted). 



North America (Latreille). 



It is possible this belongs to the United States fauna. 



O. mnrginicollis, Serv., Hist. Orthop., 591. 



Female. — Head and body of a grayish-green. Frontal cone obtuse at 

 the tip ; from the lower border of each a longitudinal, yellow stripe extends 

 back upon the sides of the pronotum. Eyes oblong, straight. Disk of the 

 pronotum punctured ; the carinse scarcely apparent. Elytra straight, lance- 

 olate, terminating in a sharp point, as long as the abdomen, grayish, trans- 

 parent. Wings pellucid, as long as the elytra; irised. The legs the color of 

 the body. Antennae yellowish, somewhat ensiform. 



2 Length, 1.25 inches, s Length, 1 inch. (Twice inserted). 



North America (Latreille). Probably to be found in United States. 



O. crasi^ipes, Walk., Cat. Dermap. Salt., HI, 507. 



Male. — Green, slender, apterous. Head and pronotum minutely punc- 

 tured. Head much shorter than the pronotum, elongate-conical in front of 

 the eyes ; front with four keels, of which the middle pair are approximate, 

 almost parallel. Eyes piceous, elliptical, prominent, oblique. Antennae pice- 



