Key to Chloropepla species

1 Humeral angles produced into spines (Fig. 1C) ................................................. 2

- Humeral angles acute but not produced into spines (Fig. 1E)............................ 4

2 Humeral angles outlined in black (Fig. 1D)....................................................... 3

- Humeral angles not outlined in black (Fig. 1C, E) .......................................... 12

3 Lateral margin of each jugum uniformly convex towards apex (Fig. 1A), bordered in black; dorsum of each tibia outlined in black ................ C. aurea (Pirán, 1963)

- Lateral margins of juga sinuous (Fig. 1B), not bordered in black; dorsum of tibia not outlined in black .............................................. C. pirani Grazia-Vieira, 1971

4 Apices of femora with conspicuous spine (Fig. 2G) ........................................... 5

- Apices of femora with reduced spine (Fig. 2F) ................................................... 6

5 Hypandrium with 1+ 1 broad expansions flanking segment X, each expansion bearing an elongated outgrowth on dorsal surface (Fig. 11A); posterior margin of gonocoxites 9 straight (Fig. 12A) ...................................... Chloropepla rideri sp.n . - Hypandrium with 1 +1 narrow expansions flanking segment X, without outgrowth on dorsal surface (Fig. 8A); posterior margin of gonocoxites 9 convex (Fig. 8B).......................................... C. paveli Grazia, Schwertner & Greve, 2008

6 Medial excavation in ventral rim of pygophore “V”-shaped (Fig. 4F); marginal process of dorsal rim of pygophore triangular (Fig. 4A, B); gonocoxites 9 strongly convex, with lateral margins nearly parallel (Fig. 16A) ....................................... 7

- Medial excavation in ventral rim of pygophore “U”-shaped (Fig. 4G); marginal process of dorsal rim of pygophore digitiform (Fig. 4C-E), gonocoxites 9 slightly convex, with lateral margins convergent ............................................................ 8

7 Apex of hypandrium rounded, without process (Fig. 8C); apex of laterotergites 8 and 9 acute (Fig. 8D) .......................................................... C. lenti Grazia, 1968

- Apex of hypandrium with 1+1 narrow, rectangular process (Fig. 15A); apex of laterotergites 8 and 9 obtuse (Fig. 16A) ................................. C. costaricensis sp.n .

8 Humeral angles outlined in black ...................................................................... 9

- Humeral angles not outlined in black.............................................................. 10

9 Dorsal expansions of hypandrium broad, with 1 +1 laminar processes with quadrangular form along dorsal surface, near apex (Fig. 17A) ...... C. caxiuanensis sp.n .

- Dorsal expansion of hypandrium narrow. Without process on dorsal surface (Fig. 4E)............................................................... C. rolstoni Grazia-Vieira, 1973

10 Ventral process of hypandrium digitiform (Fig. 8F)........ C. dollingi Grazia, 1987

- Ventral process of hypandrium bilobate (Fig. 8G) ........................................... 11

11 Ventral surface of hypandrium mesially bearing 1+ 1 laminar process, oblique to the longitudinal axes of the hypandrium (Fig. 8G); parameres short, not reaching the margin of pygophore (Fig. 9A); posterior margin of gonocoxites 8 strongly angulate (Fig. 9B).................................. C. tucuruiensis Grazia & Teradaira, 1980

- Ventral surface of hypandrium without mesially process (Fig. 9C); parameres long, almost surpassing the margin of pygophore (Fig. 9D); posterior margin of gonocoxites 8 slightly convex.............. C. stysi Grazia, Schwertner & Greve, 2008

12 Width at base of gonocoxites 9 almost 2.5 times the width at apex; laterotergites 8 with triangular apices (Fig. 14A); males unknown ............................................ .......................................................................... C. luteipennis (Westwood, 1837)

- Width at base of gonocoxites 9 nearly two times the width at apex; laterotergites 8 strongly acute at apices, almost spine like (Fig. 9E); pygophore strongly excavated dorsally, reducing the dorsal wall of pygophore to nearly half of the total length of pygophore; parameres long, surpassing segment Xin length (Fig. 9F) ................. ............................................................................................ C. vigens (Stål, 1860)