Key to male species of the Genus Drabescoides Kwon & Lee

1. Aedeagal shaft with collar-shaped process on dorsal margin in dorsal view........................................ 2

- Aedeagal shaft without collar-shaped process on dorsal margin in dorsal view..................................... 3

2. Aedeagal shaft with pair of broad lamellae above collar-shaped process........................... D. complexa sp. nov.

- Aedeagal shaft without pair of broad lamellae above collar-shaped process............ D. undomarginata Cen & Cai, 2002

3. Connective stem obviously concave at apical margin, X-shaped.......................... D. longiarma Li & Li, 2010

- Connective stem not concave at apical margin, T-shaped or n-shaped............................................. 4

4. Pygofer lobe with elongated ventral margin; connective stem apex greatly expanded, T-shaped... D. nuchalis (Jacobi, 1943)

- Pygofer lobe without elongated ventral margin; connective stem apex not expended, n-shaped.................................................................................................. D. umbonata Shang & Zhang, 2003