LAWSON: KANSAS CICADELLID^. 79 



angulate, its surface irregular and with a prominent median furrow which 

 widens greatly anteriorly. Pronotum 6-sided, surface irregular, posterior 

 margin slightly concave. Elytra long and narrow, not completely cover- 

 ing terga of abdomen. 



Color: Varying from light to dark reddish-brown, irrorate with yel- 

 low. Scutellum with an extra large yellow spot before apex; vertex and 

 pronotum with more yellow than elytra except for yellow costal band on. 

 the latter. Front irregularly black below, pale above, with four black 

 spots in a square above. 



External genitalia: P'emale, last ventral segment a little over twice as 

 long as broad, lateral margins much narrowed posteriorly, posterior 

 margins produced with rather straight sides to a distinct but shallow 

 median notch; pygofers narrow basally and still more distally, but wide 

 at middle, equal to or exceeded by tip of ovipositor. Male, valve very 

 small, often barely seen from under tip of last ventral segment; plates 

 together fonning a triangle a little broader than long, clothed with fine 

 hairs; pygofers broad and short, about equalling the plates. 



Internal male genitalia: Styles broad and slightly chitinized at base, 

 tapering rather suddenly a little past their middle to heavily chitinized 

 neck-like processes which widen distally into the shape of a bird's head, 

 the attachment to the plates being a large conspicuous lobe at the base 

 of the neck; connective long and slender, U-shaped, with ai*ms sinuate 

 at base and then reaching to cedagus as a long strap, with median longi- 

 tudinal third heavily chitinized, this heavy chitinous band broadening 

 toward the tip; oedagus with heavy body portion and three pairs of pro- 

 cesses, a pair of blunt dorsal ones and two pairs of caudal processes, one 

 pair short and lightly chitinized apically and situated dorsad of a longer 

 and heavily chitinized pair. 



Distribution: Taken in Cherokee and Montgomery counties. 

 Occurs further north too, for specimens have been taken near 

 Kansas City, Mo. 



Hosts: Collected from weeds and shrubs. De Long reports 

 taking it on oak. 



Genus Homalodisca Stal. 



Antennal ledge as in Aulacizes, head with prominent eyes, 

 wider than pronotum, and as long as width between eyes. 

 Front and vertex forming an acute angle. Pronotum four- 

 angular, short, anterior and posterior margins nearly parallel. 

 Elytra long and narrow, hyaline, claval nervures united near 

 the middle. Anterior tibiae sulcate. 



