250 THE UNIVERSITY SCIENCE BULLETIN. 



to the slender curving terminal portion, which is composed of two acutely- 

 pointed terminal straps. 



Distribution: Specimens are at hand from Douglas, Potta- 

 watomie, Riley and Johnson counties. Probably occurs 

 throughout the eastern part of the state. 



Hosts: This species is very common on grape. Often it is 

 nearly as injurious to its host plant as comes. It is also very 

 common in leaves in winter and is attracted in numbers to 



lights in summer. 



fcoWaH* (5037.). 



Erythroneura ftubroscntaitrt Q UJ0 . 



(PI. 17, figs. 5-6.) 



Tettiffonia basalaris Say, Jl. Acad. Nat. Sci. Phila., iv, p. 344, 1825; Compl. Writ., ii, 

 p. 260. 



Erythroneura affinis Fh., Homop. N. Y. St. Cab., p. 63, 1851. 



Erythroneura basalaris Walsh, Proc. Bost. Soc. Nat. Hist., ix, p. 317, 1864. 



Typhlocyba affinis Woodw., Psyche, v, p. 213, 1889. 



Typhlocyba comes var. basalaris Gill., Proc. U. S. Natl. Mus., xx, p. 760, lfc98. 



Typhlocyba comes var. basalari DeL., Tenn. St. Bd. Ent., Bui. 17, p. 107, 1916. 



Typhlocyba comes var. basalaris Van D., Cat. Hemip. N. A., p. 713, 1917. 



Form: Like comes in size and structure. 



Color: Yellowish, marked with blood brown. Vertex brownish, uni- 

 colorous, or marked with white median line and two white spots on either 

 side. Pronotum brownish, the anterior portion marked with white spots. 

 Scutellum with the basal angles darker than the tip. Elytra with the 

 basal third brownish or reddish, posterior half with faint reddish oblique 

 bands and with a black spot in the first apical cell. Face brownish, uni- 

 colorous, or marked with white median line or spots. 



External genitalia: As in comes, except that leaving the pygofers at 

 about the middle of their dorsal margin, are two long and sinuate processes 

 whose acute tips considerably exceed the pygofers. These processes arise 

 from the thickened and chitinized margin of the pygofers, these margins 

 being thickest and giving off a slender branch that runs caudad into the 

 pygofers, just before the large processes leave the pygofers. Th; corre- 

 sponding processes in comes are U-shaped, and therefore these two 

 species are not to be confused. 



Internal male genitalia: Here, too, we see distinct differences from 

 comes. The styles, while of the same general form, differ strongly api- 

 cally, the upturned portion being much longer here, its sides running 

 straight to the short anterior or upper tooth, and to the much longer 

 lower one. The connective is much flatter than in comes, being very 

 broadly V-shaped and lacking the distinct stem at the apex as in comes. 

 The cedagus shows still greater differences. It curves broadly from the 

 connective and sends up a short dorsal process after the middle, which 

 curves caudad and then sends out an anterior and a pair of very slender 

 latero-caudal processes. Then it continues on backward, terminating in 

 a single, heavy, dorsally roughened and obtusely pointed process. 



