OSBORN AND BALL — THE GENUS PEDIOPSIS. II5 



E. Pronotum saffron yellow, elytra brownish on the 



disc crocea O. &: B. 



CC. Elytra hyaline greenish in the female, slightly brownish or 



fuscous in the male. 



D. Pronotum right angled before, \ arying from orange to 



green in female, olive brown with two impressed black 



dots behind each eye in male .... erythrocephala G. &' B. 



DD. Pronotum obtusely angled. 



E. Propleura with a black spot in both sexes 



occidciitalis \. D. 



EE. Female with the propleura unmarked. 



F. Female from 5-6 mm. in length, males with a 



spot on propleura viridis Fh. 



FF. Females less than 5 mm. in length, males with 



propleura unmarked gleiHtschice O. & B. 



BB. Face spotted (spots sometimes obscure or wanting), species 

 small, less than 4.5 mm. in length. 



C. Five spots on the face in the male, species with dark mark- 

 ings on pronotum and scutellum, elytra with fuscous nerv- 



ures piinctifrons V. D. 



CC. Two black bands, sometimes reduced to three spots, on 

 face of male, species bright light green above without dark 

 markings, elytral nervures indistinct. . . . reversalis O. & B. 



Pediopsis tristis v. D. (Plate II., Fig. 3.) 



Pediopsis tristix V. D., Can. Ent., XXII., p. 249, 1890; Osborn, Proc. la. 

 Acad. Sci , I., pt. 2, p. 126, 1892 ; Van Duzee, Cat., p. 260; Osborn & Ball, 

 Davenport Acad. Sci., VII., p. 66, 1898. 



Grayish brown above; yellowish green below; face with a black 

 band above and a large black spot below. Length, ? 5.5 mm.; <S', 

 4.75 mm.; width, 2 mm. 



Pronotum, anterior margin a right angle, rugae strong, not curved, 

 disc brown, an elongate impressed mark on the anterior margin just 

 within either eye and a small spot outside of this black, most of the 

 rugae and a semicircle on either side enclosing the black markings 

 yellowish green. Scutellum yellowish green, a black triangle within 

 either basal angle, disc brown in the male, elytra] light brown, nerv- 

 ures light, heavily fuscous-margined, rendering them very distinct. 

 Face yellowish green, a broad band extending nearly across the 

 superior margin, running down as a point in the middle and empha- 

 sized as distinct spots above the ocelli, and a nearly circular spot 



