Key to males of Gehundra (G. pallida only known from the female)

1. Style with apex expanded, foot-shaped (Blocker 1976: 520, fig. 10) ............................................... 2

– Style with apex tapered, not foot-shaped (Fig. 21) ........................................................................... 4

2. Subgenital plate with lobe of the external margin occupying more than half length of pseudostyle (Blocker 1976: 520, fig. 12) .............................................................. G. avulsa Blocker, 1976 (Peru)

– Subgenital plate with lobe of the external margin occupying entire length of pseudostyle (Blocker 1976: 520, fig. 13) ............................................................................................................................. 3

3. Pygofer with long setae on ventral margin (Blocker 1976: 520, fig. 7) ............................................. ........................................................................................................... G. tricosa Blocker, 1976 (Peru)

– Pygofer without long setae on ventral margin ................................. G. galbina Blocker, 1976 (Peru)

4. Pygofer with long setae on ventral margin (Fig. 18). Subgenital plate with lobe of the external margin occupying more than half length of pseudostyle (Fig. 20) ..................................................... ........................................................................................................ G. cristalinensis sp. nov. (Brazil)

– Pygofer without long setae on ventral margin (Fig. 37). Subgenital plate with lobe of the external margin limited to the basal half of pseudostyle (Fig. 39) .............. G. sordida (Baker, 1900) (Brazil)