Key to species of Midoria (without M. capitata Kato)

1. Aedeagus expanded apically in lateral view (Fig. 22)...................................... M. curvidentata sp. nov.

- Aedeagus not expanded apically in lateral view..............................................................2

2. Aedeagus with two pairs of processes...................................................................... 3

- Aedeagus with one pair of processes......................................................................4

3. Aedeagus with one pair of processes apically............................................. M. huapingensis Li & Li

- Aedeagus with two pairs of processes apically................................................. M. hei Cai & Jiang

4. Aedeagus shaft with serrated processes dorsally............................................ M. denticulata Li & Li

- Aedeagus shaft without serrated processes dorsally...........................................................5

5. Aedeagus shaft and lateral processes forming H-shaped structure in ventral view...................................6

- Aedeagus shaft and lateral processes not forming H-shaped structure in ventral view................................7

6. Style with single distal projection......................................................... M. hastifera Li & Li

- Style with two distal projections.......................................................... M. hamulata Li & Li

7. Processes longer than aedeagus shaft in lateral view..........................................................8

- Processes not longer than aedeagus shaft in lateral view......................................................10

8. Processes on aedeagus curved toward each other.......................................... M. annulata Cai & Jiang

- Processes on aedeagus not curved toward each other..........................................................9

9. Apex of processes on aedeagus hornlike...................................................... M. torsiva Li & Li

- Apex of processes on aedeagus not hornlike......................................... M. emmrichi (Zhang & Yang)

10. Aedeagus with processes not furcate..................................................................... 11

- Aedeagus with processes furcate.........................................................................12

11. Processes on aedeagus separated from shaft........................................ M. longicornis (Zhang & Yang)

- Processes on aedeagus not separated from shaft.............................................. M. deplanata Li & Li

12. Processes on aedeagus tapering in lateral view..............................................................13

- Processes on aedeagus not tapering in lateral view........................................... M. zunyiensis Li & Li

13. Apex of processes on aedeagus curved basally............................................... M. lamellata Li & Li

- Apex of processes on aedeagus not curved basally............................................. M. funebris (Jacobi)