Lawson: Membracid^ of Kansas. 57 



Carolina, Ohio, Michigan, Iowa, Kansas, Colorado, and Arizona. 

 Specimens have been taken in Kansas in Sumner, Hodgeman, Doug- 

 las, Riley, Shawnee, Ottawa, Linn, Cherokee, Bourbon and Miami 

 counties. 



Hosts. Funkhouser reports this species from the following hosts: 

 Raspberry, hickory, potato, blackberry, dahlia, hazelnut, locust, 

 witch hazel, blue grass, oak, pear, apple, sweet clover, and bitter- 

 sweet. Miss Branch adds horseradish and choke cherry. Matausch 

 mentions Solidago. 



Ceresa bubalus (Fabricius). 



(PI. II, figs. 1-2 and 5-8.) 



Membracif bubalus Fabricius, Ent. Syst., iv, p. 14, 1794. 

 Centrotus bubalus Fabricius, Syst. Rhyng., p. 20, 1803. 

 Ceresa bubalus Fitch, Homop. N. Y. St. Cab., p. 50, 1851. 



Funkhouser gives the following technical description. 



Bright green fading to yellowish in cabinet specimens; horns heavy and 

 stout, pointing directly outward; metopidium broadly convex; dorsal crest 

 high and regularly arched; posterior process slender and recurved; tegmina 

 and hind wings entirely hyaline; clypeus heavy, stout, and bristled. 



Head one-third broader than long, longitudinal striate sculpturing; basal 

 part broadly curved, front surface yellow, not punctate nor pubescent; eyes 

 prominent, dark brown, extending beyond lateral margin of pronotum adjoin- 

 ing; ocelli prominent, protruding, with brilliant orange borders, nearer to each 

 other than to the eyes; clypeus strong, heavy, continuing lateral outline of 

 face, apex bristled. 



Pronotum densely and coarsely punctate; metopidium strongly convex, 

 smooth impunctate areas above the eyes, sparingly pubescent with short scat- 

 tered hairs; suprahumeral horns stout, blunt, projecting almost directly out- 

 ward, not at all upward, tips often brownish, whitish line extending backward 

 from tip to lateral margin; lateral surface marked with light-colored semicir- 

 cular impression; posterior process slender, depressed, extending half way to 

 apices of tegmina and slightly beyond tip of abdomen, apex brownish. 



Tegmina hyahne, bases lightly punctate. Undersurface of body yellowish. 

 Legs greenish. 



Length to apices of tegmina, 10 mm.; width between horns, 6 mm. 



Internal male genitalia. Styles seemingly varying considerably 

 in size, usually large, the anterior portion about as long as the 

 posterior, which ends in a sharp point which is usually perfectly 

 smooth, but sometimes bears a few indistinct teeth, the margins 

 with two rows of hairs of which the outer one is longer and consists 

 of longer hairs; connective about oval in outline, the base incised 

 and with a distinct tendency to fold along a longitudinal keel; 

 oedagus, viewed lateral!}', wdth the dorsal process varying from 

 rather slender and straight to quite stout and hunch-backed, the 



