Key to species of the genus Takagioma Thapa, 1989 (Male)

1. Pygofer hook curved laterad............................................................................. 2 - Pygofer hook curved mesad............................................................................. 3 2. Aedeagal shaft with apical process........................................................................ 4 - Aedeagal shaft without apical process..................................................................... 5 3. Aedeagus with dorsoatrium developed (Fig. 29)............................................... T. pagoda sp. nov. - Aedeagus with dorsoatrium underdeveloped..................................................... T. unita Thapa 4. Paramere evenly curved apically; aedeagus evenly tapered in lateral view (Figs 64, 65)................ T. anguis sp. nov.

- Paramere sinuate apically; aedeagus abruptly tapered preapically in lateral view (Figs 73, 74)....... T. longicauda sp. nov.

5. Aedeagal shaft wide at base and strongly tapered to apex...................................................... 6

- Aedeagal shaft nearly parallel sided through most of length.................................................... 7

6. Base of aedeagal shaft short and obviously expanded in ventral view, abruptly tapered preapically (Fig. 37)..................................................................................................... T. rostra sp. nov

- Base of aedeagal shaft long and slightly expanded in ventral view, evenly tapered from base to apex................................................................................................... T. silvicola Dworakowska

7. Pygofer hook strongly curved, forming less than a 90 degrees angle with basal part, with apex blunt................................................................................................... T. orientalis Dworakowska

- Pygofer hook slender and only moderately curved apically.................................................... 8

8. Caudal part of paramere reaching midlength of aedeagal shaft (Fig. 54)............................. T. curvata sp. nov

- Caudal part of paramere reaching apex of aedeagal shaft (Fig. 44).................................. T. gladius sp. nov