Key to males of Ossuaria

1. Aedeagal shaft without lateral spine at base of subapical processes (Figs 8, 9)................... O. sichuanensis sp. nov.

- Aedeagal shaft with lateral spine at base of subapical processes................................................. 2

2. Lateral spine at base of subapical processes of aedeagal shaft short and stout, apex of shaft rounded in lateral view (Figs 16– 20)............................................................................... O. yunnanensis sp. nov.

- Lateral spine at base of subapical processes of aedeagal shaft slender and elongate, apex of shaft falcate in lateral view (see Figs 140, 141, Dworakowska, 1979)................................................... O. agara Dworakowska