LAWSON: KANSAS CICADELLID^. 81 



Genus Oncometopia Stal. 



The members of this genus have a distinct ledge over the 

 antennal socket. The eyes are prominent, making the head 

 wider than the pronotum. Vertex is rounded and obtusely 

 joined to the front. Pronotum is short, four-angular, the an- 

 terior and posterior margins nearly parallel, lateral raargms 

 slightly narrowed behind. Elytra long and narrow, not cover- 

 ing abdominal terga. Anterior tibiae are slightly sulcate above. 



Two species and one variety of this genus have been found 

 in the state. 



KEY TO SPECIES. 



A. Size large, 12 mm. or more, cross nervure cephalad of fork of first 



sector. undata. 



AA. Size smaller, 9 mm. or less, cross nervure caudad of fork of first 



sector. lateralis. 



Oncometopia undata (Fabr.). 



(PI. 7, figs. 1-3.) 



Cicada vndafa Fabr., Ent. Syst., iv. p. .32, 1794. 



C'cada orbona Fabr., Ent. Syst., Suppl., p. 530, 1798. 



Tettigonia tindata Germ., Mag. d. Ent., iv, p. 61, 1821. 



Proconia undata Walk., List Homop., iii, p. 783, 1851. 



Proconia nigricans 'Walk., List Homop., iii, p. 783, 1851. 



Proconia clarior Walk., List Homop., iii, p. 784, 1851. 



Proconia lucernea Walk., List Homop., iii, p. 785, 1851.. 



Proconia marginafa Walk., List Homop., iii, p. 785, 1851. 



Proconia badia Walk., List Homop., iii, p. 786, 1851. 



Proconia scuiellata Walk., List Homop., iii, p. 786, 1851. 



Proconia tenebrosa Walk., List Homop., iii, p. 787, 1851. 



Proconia plagiata Walk., List Homop., iii, p. 788, 1851. 



Tettigonia vndafa Sign., Ann. Soc. Ent. Fr., ser. 3, ii, p. 486, pi. 17, fig. 5, 1854. 



Oncometopia undata Stal, Hemip. Fabr., ii, p. 62, 1869. 



Oncometopia vndafa Woodw., Bui. 111. St. Lab. Nat. Hist., ii-', p. 15, pi. 2, figs. 10-14, 

 1887. 



Gi/pona? badia Van D., Ent. News, v, p. 157, 1894. 



Oncometopia undata Fowl., Biol. CenJr. Am., Homop., ii, p. 231, pi. 14. figs. 19, 20, 

 1899. 



Oncometopia iindafn Ball, Proc, la. Acad. Sci., viii, p. 41, 1901. 



Oncometopia undata Osb., 20th Rept. X. Y. St. Ent., p. 509, 1905. 



Oncometopia undata DeL., Tenn. St. Bd. Ent., Bui. 17, p. 18, 1916. 



Oncometopia undata Tan D., Cat. Hemip. X. A., p. 591, 1917. 



Oncometopia undata 01s., Bui. Am. Mus. Xat. Hist., x.xxviii, p. 2, 1918. 



Oncometopia undata Latlir., S. C. Agr. Exp. Sta., Bui. 199, p. 28, 1919. 



Form: A large, almost parallel-sided form. Length, 13 mm. Head 

 broad, with prominent eyes. Vertex with sides very broadly rounded, 

 very obtuse at apex, about two-thirds as long as basal width. Pro- 

 notum half wider than long, elevated. Elytra long and narrow, claval 

 veins slightly approaching each other and usually with a cross nervure. 



Color: Vertex, anterior margin of pronotum and scutellum rusty 

 orange. Vertex with an incomplete black circle from which run out six 

 or eight radiating lines. Scutellum also marked with dark lines. Pro- 



6 — Sci. Bui. — 3058 



