Key to Chinese species of Eudonia based on female genitalia

(excluding E. owadai, E. taiwanalpina and E. umbrosa whose females are unknown)

1. Colliculum one third to half length of ductus bursae......................................................... 2

- Colliculum much less than one third length of ductus bursae................................................. 18

2. Colliculum slightly shorter than half length of ductus bursae.................................................. 3

- Colliculum about one third length of ductus bursae......................................................... 5

3. Ductus bursae not looped (Sasaki 1998: Fig. 40)...................................................... E. inouei

- Ductus bursae looped................................................................................. 4

4. Ductus bursae with a median loop (Fig. 29)............................................. E. zhongdianensis sp. n.

- Ductus bursae with two loops anteriorly (Nuss 2005: Fig. 81)....................................... E. mercurella

5. Ductus bursae not looped.............................................................................. 6

- Ductus bursae looped................................................................................. 9

6. Antrum funnel-shaped................................................................................ 7

- Antrum straightly tubular.............................................................................. 8

7. Anterior one third of ductus bursae with three folds (Fig. 33)................................... E. duospinata sp. n.

- Anterior one third of ductus bursae with one fold (Sasaki 1998: Fig. 42)................................. E. albilinea

8. Apophysis anterior as long as apophysis posterior (Sasaki 1998: Fig. 43)................................ E. gigantea

- Apophysis anterior two thirds length of apophysis posterior (Leraut 1986: Fig. 8).......................... E. tibetalis

9. Ductus bursae with one or two loops.................................................................... 10

- Ductus bursae with three loops (Fig. 28)................................................... E. lijiangensis sp. n.

10. Ductus bursae with one loop.......................................................................... 11

- Ductus bursae with two loop.......................................................................... 13

11. Signum placed in anterior part of corpus bursae (Fig. 26)...................................... E. rectilineata sp. n.

- Signum placed in middle of corpus bursae............................................................... 12

12. Ductus bursae looped at about middle (Fig. 25).......................................... E. singulannulata sp. n.

- Ductus bursae looped near corpus bursae (Fig. 30)................................................ E. furva sp. n.

13. Signum stripelike................................................................................... 14

- Signum ovate...................................................................................... 16

14. Signum placed in posterior half of corpus bursae (Fig. 27).................................... E. wolongensis sp. n.

- Signum placed in middle of corpus bursae............................................................... 15

15. Ostium bursae three times as wide as colliculum (Fig. 32)......................................... E. magna sp. n.

- Ostium bursae twice as wide as colliculum (Sasaki 1991: Fig. 28)..................................... E. persimilis

16. Ductus bursae looped medially........................................................................ 17

- Ductus bursae not looped medially (Sasaki 1999: Fig. 8)............................................ E. promiscua

17. Two loops at middle of ductus bursae (Sasaki 1999: Fig. 7).......................................... E. apicifusca

- One loop at middle of ductus bursae, other loop at anterior part of ductus bursae (Nuss 2005: Fig. 107)..... E. truncicolella

18. Ductus bursae with two or four loops................................................................... 19

- Ductus bursae with five or six loops.................................................................... 21

19. Ductus bursae with two loops (Nuss 2005: Fig. 84)................................................ E. lacustrata

- Ductus bursae with four loops......................................................................... 20

20. Corpus bursae medially with an ovate signum (Fig. 34)............................................ E. cavata sp. n.

- Corpus bursae posteriorly with a stripelike signum (sasaki 1991: fig. 29)............................ E. microdontalis

21. Ductus bursae with five loops (Sasaki 1991: Fig. 27)................................................ E. puellaris Ductus bursae with six loops (Fig. 31)...................................................... E. hexamera sp. n.