Key to species of the subgenus Ocypus s. str. from China

(Improved based on Smetana, 2007)

1. Visible tergites 4 and 5 with yellow tomentose pubescence.....................................................2

- Visible tergites 4 and 5 without yellow tomentose pubescence................................................. 3

2. Dorsal surface of head covered with yellow tomentose pubescence.................. Ocypus (s. str.) weisei Harold, 1877

- Dorsal surface of head not covered with yellow tomentose pubescence........... Ocypus (s. str.) miwai (Bernhauer, 1943)

3. Apical portion of median lobe simple in ventral view, finger like, not gradually narrowed toward apex (Figs. 1-2 F, 2-2 F, 3-2 F)................................................................................................. 4

- Apical portion of median lobe not finger like in ventral view................................................... 6

4. Head narrow and elongate, only slightly wider than long (ratio<1.10) (Fig. 1-1 A); paramere without sensory peg setae (Figs. 1-1 D, 1-2 G)................................................................... Ocypus (s. str.) liui sp. nov.

- Head distinctly wider than long (ratio>1.20)................................................................5

5. Aedeagus shaped as in Figs. 3-1 B-C, 3-2 B-D; paramere reaching apex of median lobe................................................................................................... Ocypus (s. str.) pterosemanticus sp. nov.

- Aedeagus shaped as in Figs. 2-1 B-C, 2-2 B-D; paramere not reaching apex of median lobe................................................................................................ Ocypus (s. str.) aglaosemanticus sp. nov.

6. Aedeagus with apical portion of median lobe relatively wide, and paramere gradually narrowed towards apex; apical portion of paramere not covering either side of apical portion of median lobe in ventral view (Smetana, 2011, Fig. 8)....................................................................................... Ocypus (s. str.) puetzi Smetana, 2011

- Apical portions of paramere dilated into lancet-shape, or covers left side of apical portion of median lobe................7

7. Legs uniformly rufobrunneous. Apical portion of both median lobe and paramere dilated into lancet-shape (Smetana, 2007, Fig. 3). Aedeagus as in Smetana, 2007, Figs. 3, 4............................... Ocypus (s. str.) umbro Smetana, 2007

- Legs predominantly dark. Apical portions of both median lobe and paramere not dilated into lancet-shape in ventral view...8

8. Sensory peg setae on underside of paramere moderately numerous, mostly situated on apical portion of paramere, only a few situated on lateral margins (Smetana, 2007, Fig. 13). Aedeagus as in Smetana, 2007, Figs. 11-13.............................................................................................. Ocypus (s. str.) zopyrus Smetana, 2007

- Underside of paramere with numerous sensory peg setae, extending along lateral margins of paramere...................9

9. Apical portion of paramere relatively narrow; groups of sensory peg setae on left and right margins rather close to each other (Smetana, 2007, Fig. 17); apical portion of median lobe long, narrow, with subacute apex (Smetana, 2007, Fig. 16). Aedeagus as in Smetana, 2007, Figs. 15-17.......................................... Ocypus (s. str.) thericles Smetana, 2007

- Apical portion of median lobe wide, with subacute apex (Fig. 4-2 F). Paramere relatively wide, with obtuse apex; groups of sensory peg setae on left and right margins distinctly separated from each other (Figs. 4-1 D, 4-2 G). Aedeagus as in Figs. 4-1 B, C, 4-2 B-D.......................................................... Ocypus (s. str.) rhoetus Smetana, 2007