422 Mr. T. D. A. Cockerell— Descriptions and 



surface between them microscopically rugulose ; area of 

 metathorax with irregular rugse ; tegulas black. Wings 

 slightly dusky, stigma and nervures very dark ; second s.m. 

 long; recurrent nervures meeting the trausverso-cubitals ; 

 tibiae and tarsi with some pale hair. Abdomen shining, 

 irnpunctate, the surface with a delicate microscopical 

 tessellation. 



Buitenzorg, Java, March 10,1909 {Bryant and Palmer). 

 U.S. Nat. Museum. 



Nearest to P. impunctata, Friese, but easily separated by 

 the entirely black face. 



Prosopis coroicensis, sp. n. 



3 . — Length about 7*5 mm., anterior wing 6*2. 



Black, robust, without yellow markings on thorax or legs ; 

 face long, eyes very long ; clypeus (except a narrow dark 

 stripe on each side), large supraclypeal mark (rounded 

 above), lateral face-marks (extending along orbital margins 

 halfway up front, where they end obtusely, shaped like feet 

 on tip-toe, with very long tapering toes), all bright chrome- 

 yellow ; antennae piceous; scape very short; mandibles 

 stout, suffused with reddish ; front dull, very densely and 

 finely punctured ; mesothorax and scutellum dull, with very 

 large well-separated punctures ; mesopleurse with large 

 sparse punctures ; area of metathorax with coarse transverse 

 and longitudinal ridges; posterior truncation very coarsely 

 sculptured, flat, with well-defined margins ; tegulae piceous. 

 Wings deep fuliginous; first r. n. joining first s.m. con- 

 siderably before its end. Legs more or less reddish, the 

 anterior tibia? dusky ferruginous in front. Abdomen 

 shining, without hair-bands ; first two segments quite 

 strongly punctured, third with minute punctures ; first 

 ventral segment emarginate at apex. 



Coroico, Yungas, Bolivia, May 1, 1899. U.S. Nat. 

 Museum. No collector's name is given. *• 



By the venation this resembles P. petroselini, iSchrottky, 

 but it is easily separated by the fuliginous wings and other 

 characters. 



Prosopis tricolor, Schrottky. 



$ . — Differs from the male thus : clypeus with an elongate- 

 cuneiform rufo-fuscous mark on each side ; antennas entirely 

 ferruginous; yellow band on prothorax interrupted in 



