Key to the species of Chloropepla

1 Yellowish callus at apex of radial vein present; anterior border of spiracles with a yel- lowish callus. ...............................................................................................................3

1’ Callus at apex of radial vein and at spiracles absent. ...................................................2

2 Lateral margins of juga uniformly curving towards tip, bordered by black; dorsum of tibia lined by black. .................................................................. C. aurea (Pirán, 1963)

2’ Lateral margins of juga sinuous, not bordered by black; dorsum of tibia not lined by black. ............................................................................. C. pirani Grazia-Vieira, 1971

3 Humeral angles spinose (Grazia 1968: 197, Fig. 2). ................. C. vigens (Stål, 1860)

3’ Humeral angles acute, not produced into spines (Grazia 1968: 197, Fig. 1). ............ 4

4 Apices of femora with a slightly produced spine. ............................ C. paveli sp. nov.

4’ Apices of femora inconspicuously produced. ............................................................. 5

5 Ventral rim of pygophore excavated in ‘V’ mesially; marginal process of dorsal rim of pygophore laminar; laterotergites 8 with acute apex. ................. C. lenti Grazia, 1968

5’ Ventral rim of pygophore excavated in ‘U’ mesially; marginal process of dorsal rim of pygophore digitiform; laterotergites 8 rounded at apex. ............................................. 6

6 Anterior tooth of bucculae absent. ............. C. tucuruiensis Grazia & Teradaira, 1980

6’ Anterior tooth of bucculae present. ............................................................................. 7

7 Humeral angles bordered by black (Grazia-Vieira 1973: 14, Fig. 1). .......................... ..................................................................................... C. rolstoni Grazia-Vieira, 1973

7’ Humeral angles not bordered by black. ...................................................................... 8

8 Ventral process of hypandrium bilobate (Fig. 6); posterior margins of gonocoxites 8 slightly convex (Fig. 16). .................................................................... C. stysi sp. nov.

8’ Ventral processof hypandriumdigitiform (Grazia 1987: 474, Fig. 3); posterior margins of gonocoxites 8 concave (Grazia 1987: 474, Fig. 8). .......... C. dollingi Grazia, 1987