Key to species of Waipapamyia (males)

1 Thorax almost entirely dark. Gonostylus with short apical process ending in blunt spine (Figs 100, 103) .................. ................................................................................................................................................................ truncata sp. n.

- Thorax with dark and light portions. Gonostylus with pointed apical spine ............................................................... 2

2 Preepisternum 2 bicolored, light dorsally and dark ventrally. Gonocoxites twice as long as gonostylus (Fig. 90). Parameres present as 2 large, tusklike processes (Fig. 93) ...................................................................... dentata sp. n.

- Preepisternum 2 completely light. Gonocoxites 3 times as long as gonostylus (Fig. 97). Parameres vestigial (Fig. 99) ................................................................................................................................................................ elongata sp. n.