LAWSON: KANSAS CICADELLID^E. 



135 



flat "W" with all the bends rounded, distinctly flatter and smaller than 

 in acutus, and with two long curling processes, flattened for a much longer 

 distance than in acutus and ending in a sharp point; cedagus, viewed 

 laterally, U-shaped with anterior arm straight and posterior curved, 

 former extending beyond curve of U to form a short stem. 



Distribution: Common in the eastern portion of the state 

 as shown by the following map : 



Hosts: Osborn and Ball give Bouteloua as the probable host. 

 De Long reports it on "various grasses." 



Platymetopius frontalis Van D. 



(PL II, figs. 8-9.) 



Platymetopius frontalis Van D., Can. Ent., xxii, p. 112, 1890. 

 Platymetopius frontalis Van D., Bui. Buf. Soc. Nat. Sci., v, p. 198, 1894. 

 Platymetopius frontalis O. & B., Proc. la. Acad. Sci., iv, p. 193, 1897. 

 Platymetopius frontalis Osb., 20th Kept. N. Y. St. Ent., p. 517, 1905. 

 Platymetopius frontalis Van D., Ann. Ent. Soc. Am., iii, p. 225, 1910. 

 Platymetopius frontalis Osb., U. S. Dept. Agr., Div. Ent., Bui. 108, p. 71, fig. 10, 1 'n > 

 Platymetopius frontalis Osb., Me. Agr. Exp. Sta., Bui. 238, p. 113, 1915. 

 Platymetopivs frontalis DeL., Tenn. St. Bd. Ent., Bui. 17, p. 40, 1916. 

 Platymetopius frontalis Van D., Cat. Hemip. N. A., p. 637, 1917. 

 Plati/metopms frontalis Lathr., S. C. Agr. Exp. Sta., Bui. 199, p. 57, 1919. 



Form: Short and stout. Length, 3.5 to 4 mm. Vertex about one- 

 fourth longer than wide in the male, slightly longer in the female, rather 

 obtusely pointed and with a longitudinal depression. Pronotum obscurely 

 and transversely wrinkled, short, over twice as broad as long. 



Color: Dark brown or black; vertex with white apical line, transverse 

 vitta of similar lines in front of the eyes and four basal white spots. 

 Face yellow, infuscated at sides and base, angled line indistinct. Prono- 

 tum dark brown, showing five faint longitudinal lines. Scutellum with 

 two faint longitudinal lines and apex white. Elytra with distinct milky 

 white spots, costal area whitish with heavy black veins. 



