Key to species of Pityocona in China (based on male genitalia)

1. Uncus lateral lobes asymmetrical (Fig. 2 d)............................................. P. monoprocessa sp. nov.

- Uncus lateral lobes symmetrical......................................................................... 2

2. Uncus with a papillary lateral process (Fig. 2 f)............................................... P. sinuosa sp. nov.

- Uncus without a papillary lateral process.................................................................. 3

3. Gnathos with apex indented (Fig. 2 a)............................................................ P. bifurcatus

- Gnathos with apex rounded or pointed....................................................................4

4. Gnathos with a denticle on ventral surface (Fig. 2 c)......................................... P. transovata sp. nov.

- Gnathos without a denticle on ventral surface.............................................................. 5

5. Valva with a papillary ventroapical process, without short digitate process at middle (Fig. 2 b)........ P. longovata sp. nov.

- Valva without a papillary ventroapical process, with short digitate process at middle (Fig. 2 e)........ P. mastoidea sp. nov.