OSBORN AND BALL THE GENUS PEDIOPSIS. II9 



obscure, below greenish, the face and ovipositor washed with yellow- 

 ish, propleura usually marked in both sexes, male pygofers with a dis- 

 tinct black spot on the sides. 



Habitat, Canada, New York and Iowa. Occurs abundantly on the 

 Cottonwood, to which its color is well adapted, the males hiding in 

 the cracks in the bark, while the females, being more distinctly green, 

 conceal themselves at the base of the petioles. 



Only possessing the two specimens of this species, one taken early 

 and the other late, it is no wonder that the variation in color induced 

 Van Duzee to consider them distinct, but a comparison of the types 

 with a large series collected throughout the season show them to be 

 ordinary variations of the same species. 



They may be readily separated from ferruginoides by the shorter 

 vertex and the distinct greenish cast. 



Pediopsis suturalis O. & B. 



Osborn & Ball, Da v. Acad. Xat. .Sci., \\A. VII., }). 67, 1898. 



Vertex right-angled, narrow; color, green with a stripe on either 

 side of the pronotum and the entire clavus black. Length, ? 6 mm.; 

 width 1.75 mm.; male smaller. 



Pronotum sharply angled before, the rugae shallow, a black stripe 

 arising just behind either eye, widening to the humeral margin, includ- 

 ing the entire clavus, and extending as a narrow stripe around to the 

 apex of the elytra, remainder of the body and elytra green, oviduct, 

 p> gofers, except at the ai)ex, and parts of the face, washed with yellow. 



Habitat, New York (V. D. Coll.), and Iowa. Occurs on wil- 

 lows. The black stripes which appear in even the smaller larvae ren- 

 der this a strikingly distinct species. A heavily marked form of 

 basalis might be mistaken for this species were it not for its much 

 shorter and broader head. 



Pediopsis basalis V. D. 



Pediopsis basalis \. D. Review, Ent. Am., \"., p. 171, 1889 ; Cat., p. 26O ; 

 Prov. Pet., Faune, Ent. Can., III., p. 295, i8go. 



Pediopsis fiiDiipetmis G . & B. Hemip. Colorado, j). "jt^. 



Female larger, head broad and blunt, green, the elytra sub-hyaline, 

 washed with reddish brown, deepening into a fuscous band along the 

 scutellar margin. Length, 9 5.5 mm.; width, 1.8 mm. 



