LAWSON: KANSAS CICADELLID^. 123 



Color: Female, pale green, nervures of elytra greenish, ovipositor 

 tipped with red. Male, pale green, most of pronotum and elytra brownish, 

 nervures of elytra darker brown. 



External genitalia: Female, last ventral segment twice as long as 

 preceding, posterior margin truncate, with a very small median lobe; 

 pygofers longer than in flavidus but much exceeded by the ovipositor. 

 Male, valve very small, triangular; plates tapering suddenly near base 

 and then extending into long and slender apical processes, margins bear- 

 ing a few spines; pygofers long, bearing many long brown spines. 



Distrihution: This species has not yet been reported from 

 Kansas but should be taken in the western part of the state. 



Hosts: 'Doctor Ball described this species from specimens 

 taken from Distichlis maritima. 



Genus DiCYPHONiA Ball. 



In this genus the head is as long or slightly longer than the 

 width between the eyes. The vertex is narrower than in 

 Parabolocratus, the apex obtusely rounding in the female, 

 rather acute in the male, the disc concave, and the margins 

 sharp. The pronotum is about twice as wide as long, broadly 

 rounding in front, emarginate posteriorly, and with long lat- 

 eral margins. The elytra are short in the female, long in the 



male. The genus includes brownish forms, due to ramose pig- 

 mentation. 



The single species belonging to this genus occurs in Kansas, 

 Dicyphonia ornata (Bak,). 



Platymetophis oniatus Bak., Can. Ent., xxxii, p. 49, 1900. 



Dicyphonia ramentosa Ball, Rept. la. Acad. Sci. for 1899, p. 69, pi. 5, figs. 1-5, 1900. 



Dicyphonia ornata Vau D., Cat. Hemip. N. A., p. 626, 1917. 



Form: Females large and robust. Length, 6.25 to 7 mm. Males smaller, 

 like Platytnetopiiis in general appearance. Length, 4 mm. Female, ver- 

 tex long and narrow, longer than wide, obtusely-rounding apically, an- 

 terior margin elevated, disc concave. Pronotum over twice as wide as 

 long. Elytra either covering abdomen entirely or only half way. Male, 

 vertex a little longer than wide, more pointed than in female, elytra 

 always completely covering abdomen, strongly flaring apically. 



Color: Female, creamy yellow, vertex with a broad, irregular brown 

 band which extends on to the pronotum and scutellum. These also have 

 brown markings laterally, and the elytra show ramose, brown markings. 

 Exposed portion of abdomen striped with brown. Males either like 

 female except for dark brown apices of elytra, or, more usually, with 

 all the markings much darker and heavier, giving the insect a dark 

 brown or black appearance with triangular light markings, most con- 

 spicuous of which are three large costal and several smaller hyaline spots 

 on the apical half of the elytra. 



