Thecobathra Meyrick 1922
Creators: name: Liu, Haoyu
name: Wang, Shuxia
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Yponomeutidae
Thecobathra

description: Key to species of Thecobathra in China based on male genitalia
(excluding T. argophanes and T. heppneri)
1. Aedeagus with one row of teeth......................................................................... 2
- Aedeagus with two rows of teeth....................................................................... 11
2. Aedeagus shorter than saccus or as long as saccus........................................................... 3
- Aedeagus longer than saccus............................................................................ 5
3. Aedeagus shorter than saccus (Fan et al. 2008: 18, fig. 10)........................................ T. longisaccata
- Aedeagus as long as saccus............................................................................. 4
4. Ventral plate of gnathos spinous (Fan et al. 2008: 21, fig. 14).................................... T. badagongshana
- Ventral plate of gnathos not spinous (Moriuti 1965: 8, fig. 3).......................................... T. yasudai
5. Ventral plate of gnathos densely setose (Fig. 21)............................................. T. setulosa sp. nov.
- Ventral plate of gnathos not setose....................................................................... 6
6. Proximal process of valva with a long, curved spine (Fan et al. 2008: 18, fig. 11).......................... T. latibasis
- Proximal process of valva without a spine................................................................. 7
7. Sacculus with a dorsoapical thorn (Moriuti 1971: 233, fig. 2)............................................ T. casta
- Sacculus without a dorsoapical thorn..................................................................... 8
8. Valva without a basal plate (Sohn 2018: 377, fig. 18).............................................. T. pauciguttata
- Valva with a basal plate................................................................................ 9
9. Juxta present (Moriuti 1971: 233, fig. 1)......................................................... T. acropercna
- Juxta absent........................................................................................ 10
10. Aedeagus with initial two teeth obviously larger than other teeth (Fig. 14).................... T. magnidentalis sp. nov.
- Aedeagus with all teeth nearly equal in size (Fig. 12)......................................... T. cuneata sp. nov.
11. Costa with a protuberance............................................................................. 12
- Costa without a protuberance.......................................................................... 21
12. Dorsoproximal process of valva with a spine.............................................................. 13
- Dorsoproximal process of valva without a spine........................................................... 14
13. Dorsoproximal process of valva with a long spine extending inward and curved at distal 1/3 (Fig. 19)................................................................................................... T. paritetragona sp. nov.
- Dorsoproximal process of valva with a short straight spine (Liu 1983: 80, fig. 1).......................... T. tetragona
14. Dorsoproximal process of valva with a sclerotized triangular area ventrally (Liu 1983: 81, fig. 2).............. T. chiona
- Dorsoproximal process of valva without a sclerotized triangular area........................................... 15
15. Valva with a basal plate (Moriuti 1963: 221, fig. 19)................................................... T. kappa
- Valva without a basal plate............................................................................ 16
16. Sacculus longer than half length of valva (Fan et al. 2008: 18, fig. 9)................................... T. partinuda
- Sacculus shorter than half length of valva................................................................. 17
17. Aedeagus with teeth from middle to apex (Moriuti 1963: 220, fig. 16)....................................... T. eta
- Aedeagus with teeth from beyond middle to apex.......................................................... 18
18. Dorsoproximal process of valva without a fold (Yu et Li 2001: 119, fig. 1)................................. T. flavida
- Dorsoproximal process of valva with a fold running along its ventral margin and then along dorsal margin of sacculus.... 19
19. Aedeagus with two rows of teeth equal in length (Moriuti 1971: 242, fig. 10)............................ T. sororiata
- Aedeagus with two rows of teeth unequal in length......................................................... 20
20. Aedeagus with tooth at basal 1/3 obviously larger than other teeth (Moriuti 1965: 9, fig. 4).................... T. nakaoi
- Aedeagus with all teeth nearly equal in size (Moriuti 1971: 242, fig. 11)................................... T. delias
21. Ventral plate of gnathos with a pair of crescent-shaped anterior processes (Fig. 15)................. T. meniscata sp. nov.
- Ventral plate of gnathos without paired crescent-shaped anterior processes...................................... 22
22. Socius with a row of combteeth (Fig. 20)................................................. T. pectinacea sp. nov.
- Socius without combteeth............................................................................. 23
23. Sacculus with sclerotized band along dorsal and ventral margins (Fig. 16)............................ T. microsignata
- Sacculus without sclerotized band....................................................................... 24
24. Sacculus with a hairy lobe at base (Fan et al. 2008: 18, fig. 8)........................................ T. basilobata
- Sacculus without a lobe at base......................................................................... 25
25. Sacculus concave on ventral margin..................................................................... 26
- Sacculus not concave on ventral margin.................................................................. 27
26. Valva with a tooth on ventral margin (Fan et al. 2008: 21, fig. 13)...................................... T. paranas
- Valva without a tooth on ventral margin (Friese 1960: 37, fig. 13)......................................... T. anas
27. Sacculus subrectangular, with a ventroapical process........................................................ 28
- Sacculus not subrectangular, without a ventroapical process.................................................. 29
28. Subscaphium narrowed toward apex (Fig. 17).......................................... T. minutiprocessa sp. nov.
- Subscaphium parallel sided to apex (Liu 1984: 324, fig. 1)............................................ T. yunnana
29. Sacculus oval (Liu 1980: 37, fig. 3)................................................................ T. ovata
- Sacculus not oval.................................................................................... 30
30. Valva dilated in distal half............................................................................. 31
- Valva not dilated in distal half.......................................................................... 32
31. Socius with a process on inner margin (Fig. 18)............................................ T. odontoidea sp. nov.
- Socius without a process on inner margin (Fig. 13)................................................... T. lambda
32. Aedeagus with two large teeth at basal 1/3 (Liu 1980: 38, fig. 4)....................................... T. bidentata
- Aedeagus without tooth near base....................................................................... 33
33. Socius with outer margin obtusely produced between middle and distal 1/4 (Fan et al. 2008: 21, fig. 12)...... T. acrivalvata
- Socius subparallel-sided in basal 3/4 and narrowed from distal 1/4 to apex (Fig. 11)......................... T. albana
description: Published as part of Liu, Haoyu & Wang, Shuxia, 2023, Taxonomic study of the genus Thecobathra Meyrick (Lepidoptera: Yponomeutidae) in China, with descriptions of eight new species, pp. 483-508 in Zootaxa 5325 (4) on pages 484-485, DOI: 10.11646/zootaxa.5325.4.2, http://zenodo.org/record/8243618