LAWSON: KANSAS CICADELLID^. 191 



AA. Head as wide or widei* than pronotum — concluded. 



FF. Margin of vertex not black. 



G. Species dark or dirty brown. 



H. Species not over 5.5 mm. 

 long. alius. 



HH. Species longer, 6 mm. or 

 over. incisus. 



GG. Species fulvous-brown ; length, 6 

 to 7 mm. turpiculus. 



EE. More slender species, elytra narrowed api- 

 cally. 



F. Species about 6 mm. long: female seg- 

 ment not produced at sides into dis- 

 tinct lobes. 



G. Female segment excavated, with 

 median tooth; male valve long, 

 apex rounded. irroratus 



GG. Female segment truncate, with- 

 ont median tooth ; male valva 

 short and truncated. 



truncatiis. 



FF. Species smaller, less than 6 mm. long; 

 fpmale segment produced at sides into 

 distinct lobes. lobatus 



DD. Vertex, pronotum and scutellum yellow, elytra 

 dark brown. collitus. 



CC. General color cinereous, sparsely inscribed. 



cinereus. 



BB. Vertex longer, distinctly longer on middle than next the eye; 

 disc depressed, edge acute or subacute. 



C. Elytra closely dotted, not reticulated, with some of the 

 dots in irregular lines. punctiscriptus. 



CC. Elytra reticulated. 



D. Size medium, 6 to 7 mm. long. 



E. Head, pronotum and scutellum not distinctly 

 yellow, elvtra with two clearer transverse 

 bands indicated. apertus. 



EE. Head, pronotum and scutellum pale yellow, 

 elytra evenly inscribed. fulvidorsum. 



DD. Size large, 7 mm. or over. 



E. Length, 8 to 8.5 mm.; elytra distinctly nar- 

 rowed apically, female segment not produced 

 medially. nehulosus 



EE. Length, 7 to 7.5 mm.; elytra scarcely nar- 

 rowed apically, female segment produced me- 

 dially, salidaginis. 



Phlepsiits majestus 0. & B. 



PhlepsiuK majestus O. & B., Proc. la. Acad. Sci., iv, p. 229, pi. 26, fig. 6, 1897. 



Phlepsius majestus Osh., 20th Rept. N. Y. St. Ent., p. 533, 1905. 



PMepsius majestus DeL., Tenn. St. Bd. Ent., Bui. 17, p. 76, 1916. 



Phlepsius majestus Van D., Cat. Hemip. N. A., p. 667, 1917. 



PMepsius majestus Ball, Ann. Ent. Soc. Am., xi, p. 382, 1918. 



Phlepsius majestus Lathr., S. C. Agr. Exp. Sta., Bnl. 199, p. 101, 1919. 



