12 SYNOPSIS OF THE GENUS CHLOROTETTIX 



Pronotum narrower than head, more than half longer than ver- 

 tex, twice as wide as long. Wings rather long and narrow, the 

 two inner veins of the clavus joined by a cross nervure just 

 posterior to the apex of the scutellum. 



Color: Pale green, vertex and scutellum with a yellowish tint; 

 wing nervures darker green. Face with several interrupted pale 

 arcs. 



Genitalia: Male valve shorter than last ventral segment, 

 truncate posteriorly. Plates broad at base, gradually narrowing 

 to acute tips, but not produced. Pygofers large, tumid, forming a 

 keel where they meet posterior to the plates. 



This species is described from a male specimen from Corvallis, 

 Oregon, kindly sent to me by Prof. A. L. Lovett and treated thus 

 because of its distinctive characters as compared to allied species. 

 It is somewhat intermediate in form between unicolor (Fitch), 

 and stolatus Ball, but differs from the former by its long, slender 

 body, obtusely angled head and comparatively narrower pro- 

 notum, and from the latter by the shorter, more obtuse vertex 

 and the male plates which are not produced in long finger-like 

 points. Type in author's collection. 



Chlorotettix spatulatus Osb. & Ball. 



(Figs. 9: a, b, c.) 



Chlorotettix spatulata Osb. & Ball, Proc. la. Acad. Sci., 4, p. 225, (1896); Metcalf, Eli. 

 Mitch. Sci. Soc., 31, p. 27, (1915); Barber, Bull. Amer. Mus. Nat, Hist., 33, 

 p. 535, (1914); DeLong, Term. State Ent. Bull., 17, p. 86, (1916); Sand. & DeL., 

 Anns. Ent. Soc. Amer., 10, p. 92, (1917). 



Resembling rugicollis in form and size but without the red 

 band on the vertex. Length, 7 mm., width, 1.75 mm. 



Vertex with margins parallel, or slightly longer on the middle 

 than next the eye, two and one-half times wider than long, anterior 

 margin broadly rounding to the front, which narrows rapidly to 

 the small clypeus. Genae broad, rounding below; pronotum one- 

 half longer than vertex, emarginate behind, side margins short. 

 Elytra broader than in lusorius, venation weak. 



Color: Usually a uniform green, elytra subhyaline, often 

 tinged with yellow. 



Genitalia: Last ventral segment of female very long on lateral 

 margin, posterior margin produced, broadly notched, more than 

 one-half the depth of the segment, apex of notch with a spatulate 



