LAWSON: KANSAS CICADELLHXE. 71 



Bythoscopus l&tus (Uhl.). 



Pachyopsis Icetus Uhl, Bui. Geol. Geog. Surv., iii, p. 466, 1877. 

 Macropsis Itetus Ball, Ohio Nat., iii, p. 397, 1903. 

 Bythoscopus Icetus Van D., Cat. Hemip. N. A., p. 589, 1917. 



This large green species has not yet been taken in Kansas. Its host 

 plant, Rhus aromatica, occurs here as well as on the plains of Colorado, 

 where it has been taken. Its pink variety, psetus Ball, reported by Ball 

 to occur on the fruit clusters of the plant, should also be found here. 

 Length, 5.75 to 7 mm. 



Bythoscopus apicalis (0. & B.). 



PI. 5, figs. 1-4.) 



Macropsis apicalis 0. & B., Proc. Dav. Acad. Sci., vii, p. 64, 1898. 

 Macropsis alabamensis Bak., Psyche, ix, p. 58, 1900. 

 Macropsis apicalis Ball, Psyche, ix, p. 129, 1900. 

 Macropsis apicalis DeL., Term. St. Bd. Ent., Bui. 17, p. 9, 1916. 

 Bythoscopus apicalis Van D., Cat. Hemip. N. A., p. 589, 1917. 



Form: Short and broad. Vertex very short and narrow. Pronotum 

 distinctly striated transversely, much broader than head, lateral margins 

 long and widening posteriorly, humeral margins about as long as lateral 

 margins, posterior margin broadly and slightly concave. Elytra appear- 

 ing broad and short but exceeding abdomen, appendix large and glabrous, 

 but rest of elytra deeply punctate with each puncture bearing a prom- 

 inent hair. 



Color: Uniformly bright green, except for small black spots on apex 

 of elytra. 



External genitalia: Female, last ventral segment a little over twice as 

 long as broad, posterior angles prominent, with posterior margin sinuate 

 to slightly produced broad median lobes which have a shallow notch 

 between them; pygofers long, barely exceeded by tip of ovipositor or 

 equalling or even exceeding ovipositor. Male, valve very large, prom- 

 inently elevated on median line, as long as broad, posterior margin 

 broadly convex. 



Male internal genitalia: The plates are completely covered by the 

 valve and are therefore here described with the internal organs. They 

 are over twice as long as wide, having the outer anterior angle produced 

 to connect with the styles and also having the inner posterior angles 

 greatly produced and pointed, outer posterior angle large and broadly 

 rounded, making the plate the broadest at this point. They are peculiar 

 also in their position, standing almost vertically instead of being in the 

 ordinary horizontal position. Styles are long and slender and somewhat 

 curved, arising from the top or really the anterior end of the plates. 

 The connective here seems to be composed of a U-shaped piece attached 

 to the top of the plates. This piece has a small anterior lobe to which 

 are fastened a pair of long chitinous organs, widest near the middle, and 

 tapering to ends, one anteriorly curved and the other posteriorly. These 

 organs look much like styles but judging from their vertical position and 

 their relation to the other parts, I would conclude they are parts of a very 



