Platystigma

Key to males of Platystigma

(male of P. pronoti unknown)

1 Hw with black or dark brown band. Species known only from Colombia, Peru and Venezuela............... jocaste group

- Hw without black or dark brown band. Species of Northern and Southeastern Brazil, Bolivia, Ecuador and Peru (Figs. 25, 27, 31, 32, 35)........................................................................... quadratum group...2

2 Border of Hw with subapical elevation (Fig. 25).............................................................3

- Border of Hw without subapical elevation (Figs. 27, 31, 32, 35)............................................... 5

3 Fw with pale apical area....................................................................... P. martinezi

- Fw without pale apical area............................................................................ 4

4 Hw with pale apical area........................................................................ P. buckleyi

- Hw without pale apical area (Fig. 25).............................................................. P. astictum

5 Small species (Hw 32, abdomen 48). Cleft of anterior lamina with elongated medial border sclerotized apically (Fig. 40). Penis segment 3 subrectangular (Fig. 48)............................................................... P. minimum

- Larger species (Hw 40–48, abdomen 52–65). Cleft of anterior lamina without elongated medial border. Penis segment 3 sub- quadrate (Figs. 46, 50)................................................................................. 6

6 Pale apical area present in Fw and Hw (Fig. 31)..................................................... P. humaita

- Pale apical area present only in Hw (Fig. 32)...................................................... P. quadratum