Key to world species of Psychomasina Ježek, 2004

1 Basiphallus not bilobate (Fig. 8). Gonostylus with single subapical sensillum. .............. 2

– Basiphallus bilobate at base (Fig. 4). Gonostylus with subapical row of five sensilla. Aedeagal joint shaped as in Fig. 10. ........................... Psychomasina paedagogica sp. nov.

2 Gonostylus distinctly hooked apically. Eyes separated by width of two facet diameters. Shape of aedeagal joint as in Fig. 12. ...................... Psychomasina armata Ježek, 2004

– Gonostylus indistinctly hooked (Fig. 8). Eyes separated by width of 0.25 facet diameters (Fig. 6). Shape of aedeagal joint as in Fig. 11. ............... Psychomasina violina sp. nov.