Eudonia
Creators: name: Li, Weichun
name: Li, Houhun
name: Nuss, Matthias
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Crambidae
Eudonia

description: Key to Chinese species of Eudonia based on male genitalia
(excluding E. gigantea Sasaki whose male is unknown)
1. Gnathos without arm................................................................................. 2
- Gnathos with two arms................................................................................ 8
2. Phallus as long as valva............................................................................... 3
- Phallus about twice as long as valva..................................................................... 6
3. Valva with base wider than apex........................................................................ 4
- Valva with base narrower than apex...................................................................... 5
4. Uncus with spine on both posterolateral margins (Fig. 22)..................................... E. duospinata sp. n.
- Uncus without spine (Fig. 21)............................................................... E. magna sp. n.
5. Phallus curved near base (Sasaki 1991: Fig. 21)................................................ E. microdontalis
- Phallus straight near base (Sasaki 1991: Fig. 23)................................................... E. persimilis
6. Uncus ending with ovate hatch (Fig. 23)....................................................... E. cavata sp. n.
- Uncus without hatch.................................................................................. 7
7. Costa convex at middle (Sasaki 1998: Fig. 34)..................................................... E. albilinea
- Costa straight at middle (Sasaki 1991: Fig. 22)..................................................... E. puellaris
8. Valva with distal one third tapering to apex................................................................ 9
- Valva with distal part broadened or same width........................................................... 13
9. Uncus notched or convex on posterior margin............................................................. 10
- Uncus straight on posterior margin..................................................................... 12
10. Uncus convex posteriorly (Sasaki 1998: Fig. 32).................................................... E. owadai
- Uncus notched posteriorly at middle.................................................................... 11
11. Valva angled ventrally at two thirds, phallus straight (Sasaki 1998: Fig. 35)........................... E. taiwanalpina
- Valva arched ventrally at two thirds, phallus curved at middle (Fig. 18)....................... E. zhongdianensis sp. n.
12. Phallus nearly as long as valva (Sasaki 1998: Fig. 31)................................................. E. inouei
- Phallus about half length of valva (Sasaki 1998: Fig. 33)............................................. E. umbrosa
13. Valva broadened distally............................................................................. 14
- Valva not broadened distally.......................................................................... 18
14. Phallus straight..................................................................................... 15
- Phallus curved at middle............................................................................. 16
15. Gnathos as long as uncus (Fig. 19)............................................................ E. furva sp. n.
- Gnathos two thirds length of uncus (Sasaki 1998: Fig. 25)........................................... E. promiscua
16. Valva concave ventrally at about two fifths (Fig. 15)......................................... E. rectilineata sp. n.
- Valva straight ventrally............................................................................... 17
17. Juxta with width one third of length (Nuss 2005: Fig. 107)........................................ E. truncicolella
- Juxta with width half as long as length (Fig. 16)............................................ E. wolongensis sp. n.
18. Valva with base much wider than apex.................................................................. 19
- Valva with base narrower than or as wide as apex.......................................................... 20
19. Valva almost straight ventrally (Fig. 17)................................................... E. lijiangensis sp. n.
- Valva conspicuously concaved ventrally at middle (Fig. 20)..................................... E. hexamera sp. n.
20. Valva with base much narrower than apex................................................................ 21
- Valva with base nearly as wide as apex.................................................................. 22
21. Valva straight ventrally, phallus curved at middle (Nuss 2005: Fig. 81)................................ E. mercurella
- Valva concave ventrally at one third, phallus nearly straight (Sasaki 1999: Fig. 6)........................ E. apicifusca
22. Valva with a ventroapical protuberance (Nuss 2005: Fig. 84)......................................... E. lacustrata
- Valva without such a protuberance...................................................................... 23
23. Phallus straight, shorter than valva (Fig. 24)........................................................ E. tibetalis
- Phallus slithtly curved, longer than valva (Fig. 14)........................................ E. singulannulata sp. n.
description: Published as part of Li, Weichun, Li, Houhun & Nuss, Matthias, 2012, Taxonomic revision of the genus Eudonia Billberg, 1820 from China (Lepidoptera: Crambidae: Scopariinae), pp. 1-27 in Zootaxa 3273 on pages 3-4, DOI: 10.5281/zenodo.212626