AKT. 18 JASSID GENUS TYPHLOCYBA McATEE 29 



TYPHLOCYBA GILLETTEI, var. VENUSTA, new variety 



General color whitish to lemon yellow, tegmina from crossveins 

 posteriorly (apical cells sometimes nearly hyaline), and from middle 

 of claviis anteriorly (except forward costal margin), and scutellum, 

 dusky to black. 



Holotype and imratype. — Males, Milwaukee, Wis., July 30, 1917. 

 E. D. Ball (Ball) ; paratype male. New York (Kans. Univ.) : allo- 

 type female, Toronto, Ont., August 8, 1924, E. D. Ball (Ball). 



TYPHLOCYBA GILLETTEI, var. SELLATA, new variety 



Ground color whitish to stramineous, tegmina from crossveins to 

 base, except costal plaque dusky, apical cells fumose. 



Holotype. — Female, Batavia, N. Y., August 12, 1916, on Qiiereus 

 macrocarpa., H. H. Knight, (Kans. Univ.) ; paratype female. Botanic 

 Garden, New York, N. Y., July 7, 1921, on Querous macrocarpa, 

 H. L. Sanford (U.S.N.M.). 



Paratype.— Q2X. No. 28493, U.S^N.M. ^ 



TYPHLOCYBA GILLETTEL var. VESTITA, new variety 



Ground color above golden yellow, Avhich remains evident partic- 

 ularly on vertex, front of pronotum, costal margins of tegmina, 

 and on crossveins, but elsewhere is more or less heavily overlaid 

 with fumose to sooty coloring, deepest on scutellum; underparts pale 

 yellowish. In richly colored specimens the costa posterior to plaque, 

 posterior portions of sectors, and crossveins, are reddish. 



Holotype. — Male, allotype female, and paratypes Douglas County, 

 Kansas, August 1923, W. Robinson; paratypes: Douglas County, 

 Kans,, May 21, 1923, Paul B. Lawson (Kans. Univ.) ; Onaga, Kans,, 

 Buffalo, N. Y., E. P. Van Duzee (Ball). 



TYPHLOCYBA POMARIA, new species 



Male. — Head and thorax pale yellow, more or less tinged with 

 orange to reddish on front of vertex; tegmina hyaline, the costa, 

 commissure and sectors yellow, apical cells faintly dusky; under- 

 parts pale yellowish, the face more or less tinged with orange to 

 reddish, touches of this higher coloration elsewhere also on some 

 specimens. 



riypopygium (fig. 59) : Strongly distinguished by the falcate 

 ])rocess forming the posterior border of the side of the 9th segment, 

 which is heavily chitinized and black in color; as the correlation of 

 this falcate process with the type of aedeagus here illustrated for 

 this species has thus far been constant, it results that the species can 

 be recognized from the superficial aspect of the hypopygium, the 

 black tips of the falces being easily seen. Near the upper posterior 

 border of the falx are several backwardly directed bristly haii-s; 



