Pedionis

Key to male species of the genus Pedionis View in CoL from China

1. Dorsal connective elaborate, ribbon like....................................................................2

- Dorsal connective variously armed, shaped like “∏”.......................................................... 3

2. Pygofer caudal margin with several blunt teeth subdorsally.............................................. P. ( P.) lii View in CoL

- Pygofer caudal margin with some sharp spinae subdorsally......................................... P. ( P.) sagittata View in CoL

3. Aedeagal shaft with 1–2 paired processes................................................................... 4

- Aedeagal shaft without process.......................................................................... 16

4. Aedeagal shaft with 1 pair of processes.................................................................... 5

- Aedeagal shaft with 2 pairs of processes...................................................................9

5. Aedeagus with paired processes pointed laterally................................................ P. ( P.) contrasta View in CoL

- Paired aedeagal processes pointed dorsally................................................................. 6

6. Paired aedeagal processes small and apical.................................................................7

- Paired aedeagal processes broad and occupying nearly half of shaft.............................................. 8

7. Paired aedeagal processes with serrated margins.............................................. P. ( P.) longiaxonica View in CoL

- Paired aedeagal processes triangular with smooth margins........................................... P. ( P.) stigma View in CoL

8. Apex of aedeagus stout, paired processes with serrated margins.................................... P. ( P.) clypellata View in CoL

- Apex of aedeagus truncate, paired processes with acerate margins.................................... P. ( P.) acerosa View in CoL

9. Subapical pair of aedeagal processes close to apical ones..................................................... 10

- Subapical pair of aedeagal processes distant from apical ones.................................................. 12

10. Apical processes of aedeagus serrated, connected with subapical ones......................... P. ( P.) nankunshanensis View in CoL

- The apical processes of aedeagus small, not connected with subapical ones....................................... 11

11. Subapical processes of aedeagus narrow, digitiform............................................... P. ( P.) yunnana View in CoL

- Subapical processes broad, lamelliform........................................................ P. ( P.) tabulatus View in CoL

12. Pygophore without caudo-dorsal spine.................................................................... 13

- Pygophore with 1 or 3 caudo-dorsal spines................................................................14

13. Aedeagus broad basally in posterior view with shaft abruptly narrowed beyond base............ P. ( P.) dentiforma View in CoL sp. nov.

- Aedeagus narrow basally in posterior view with shaft evenly tapered through most of length................ P. ( P.) spinata View in CoL

14. Pygophore caudo-dorsal angle with 3 obtuse dendritic spines........................... P. ( P.) tribrachyblasta View in CoL sp. nov.

- Pygophore caudo-dorsal angle with 1 spine................................................................ 15

15. Pair of subapical processes perpendicular to the shaft, and have a large falcate medial process on the dorsal connective.......................................................................................... P. ( P.) rufoscutallata

- Pair of processes ventrally directed, and lacks the falcate process on the dorsal connective....... P. ( P.) dinghuensis View in CoL sp. nov.

16. Apex of aedeagus in posterior view acute, lancelike............................................... P. ( P.) mecota View in CoL

- Apex of aedeagus in posterior view stout, rounded............................................... P. ( P.) obtusata View in CoL