Lawson: Genus Acinopterus. 123 



parativeh' narrow ajiex. Sparsely bristled pygofers exceeding i)]a1es by about 

 two-thirds the length of the latter. 



Internal male, (icnitalia. Styles of usual form, widest at point of process to 

 connective, apically club-shaped, the granulated and blunt apices slightly but 

 clearly concave. Connective heart-shaped, the excision fairly deep, ffidagus 

 with body as in other species, the basal processes small, the terminal process 

 of medium diameter and length. 



Distribution. The eight specimens at hand when this species was 

 described all came from California and Arizona. They were all 

 taken by Dr. E. D. Ball. The California specimens are from Im- 

 perial, Beaumont and Riverside, while the two Arizona specimens 

 are from Phoenix. 



Holotype, female, Imperial, Cal.. in collection of Doctor Ball. 



Allotype, male, and paratype, female, both from Imperial, Cal., 

 in the Snow collection, University of Kansas. 



Paratypes, male from Imperial and female from Beamnont, Cal., 

 in collection of Doctor Ball. 



Acinopterus brunneus Ball. 



(PI. VIII, fig. 2; pi. IX, fig. 5; pi. X, fig. 7; pi. XI, fig. 6; pi. XII, figs. 9, 10.) 



Acinopterus acuminatus var. brunneus Ball, Can. Ent., xxxv, p. 231, 1903. 

 Acinopterus acuminatus var. brunneus Van D., Cat. Hemip. N. A., p. 675, 1917. 



The following is the original description : 



^4. acuminatiifi, var. brunncuf;, n. var. Shghtly larger than the preceding 

 variety. "\'ertex, pronotum and scutellum pale green, washed with cinnamon 

 brown. Elytra pale cinnamon brown, slightly fuscous at tip. Whole insect 

 with a slight tawny iridescence, below pale green. 



Described from three specimens from Rifle, Colo., taken by the author. 



• 

 The writer adds the following description: 



A large brownish or greenish-brown species, about the largest member of 

 the genus. Length, 5.5 to 6.75 mm. 



Form. Head about as wide as the pronotum. Vertex at least twice as wide 

 as long, one-third longer at middle than next the eye, the anterior margin 

 rounded, and with the characteristic depression behind the apex. Face with 

 all the parts ver\' broad, the lorse nearly reaching the margin of the genae. 

 Pronotum over twice as wide as long, the anterior margin more strongly cur\^ed 

 than the posterior, lateral and humeral margins distinct and about equal, the 

 disc transversely WTinkled. Scutellum as in other members of the genus. Teg- 

 mina with rounded apex but more acute than in viridis, the venation often less 

 distinct than in other species, and usually with several cross-veins between the 

 first and second anal veins. 



Color. Vertex, pronotum and scutellum greenish-brown. Tegmina of same 

 color or darker, the veins of the apical half often being margined with dark 

 brown, giving the tip a darker appearance. Beneath the color is usually as 

 above but sometimes the hind legs and abdomen have a reddish tinge. 



