262 



THE UNIVERSITY SCIENCE BULLETIN. 



than the middle one, also with a small dorsal process extending backwaid 

 from before the apex. 



Distribution: Found in the eastern part of the state, as 

 shown by the following map : 



Hosts: Gillette gives Virginia creeper, grape and Clematis 

 as hosts for this species. . 



Erythroyieura nigra (Gill.). 



(PI. 17, fig. 15.) 

 TjipMoi'jiha vuhifi-ata var. nifjer Gill., Proc. U. S. Natl. Mus.. xx, p. 76.5, 1898. 

 Erijthriiiieiira viilnt'rata var. nii/ra Van D,, Cat. Heinip. N. A., p. 716, 1917. 



Form: Length, 2.5 to 2.75 mm. Vertex over one-half longer on middle 

 than next the eye, one-half wider than long. Pronotum long, less than 

 twice as wide as long. Elytra moderately long. 



Color: Black or dark brown above, marked with white. Vertex with 

 median line and a pair of short lateral lines, white. Pronotum with short 

 white median line on anterior part, usually a pair of lateral spots, and 

 sometimes several white spots along anterior margin. Elytra with lai'ge 

 white spot just back of the scutellum, tip of clavus and transverse veins 

 usually light and broad, the white costal band on posterior two-thirds 

 interrupted near the middle and apically. Face pale yellow. 



External genitalia: As in vulnerata. 



Internal male genitalia: Styles with long apical portion, posterior 

 tooth longer than anterior; connective V-shaped; oedagus dividing api- 

 cally into an anterior and a posterior process, the latter ending in an 

 obtuse apex with a dorsal and two ventral small processes. 



Distribution: Specimens of this species have been taken in 

 Cherokee, Douglas, Pottawatomie, and Hodgeman counties. 



Hosts: Unknown, probably grape. 



The great differences between the oedagus of this species 

 and vulnerata preclude the possibility of their belonging to the 

 same species. 



