Thecobathra
Creators: name: Fan, Ximei
name: Jin, Qing
name: Li, Houhun
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Yponomeutidae
Thecobathra

description: Key to species of Thecobathra in China based on male genitalia
(excluding T. eta, T. microsignata and T. argophenes)
1 Phallus with two rows of dentation ........................................................................................................... 2
- Phallus with one row of dentation...............................................................................................................5
2 Phallus with two big teeth at base ......................................................................... T. longisaccata sp. nov.
- Phallus without such tooth at base.............................................................................................................. 3
3 Valva with a sclerotized, spine-shaped process arising from base ............................... T. latibasis sp. nov.
- Valva without such process at base............................................................................................................. 4
4 Sacculus rounded in shape........................................................................................................... T. yasudai
- Sacculus elongate triangular, with short spine-shaped apex............................. T. badagongshana sp. nov.
5 Costa with undulant or finger-shaped protuberance .................................................................................. 6
- Costa simple, without protuberance..........................................................................................................12
6 Sacculus with fold portion dorsally.............................................................................................................7
- Sacculus without any fold portion dorsally...............................................................................................11
7 Phallus with two rows of dentation equal in length, with two big teeth at base........................ T. sororiata
- Phallus with two rows of dentation unequal in length, without tooth at base ............................................ 8
8 Valva with hairs on distal 1/2 of ventral surface, ventral margin bluntly angled at middle .......................... .................................................................................................................................... T. partinuda sp. nov.
- Valva with hairs on distal 2/3 of ventral surface, ventral margin smooth .................................................. 9
9 Valva concave inward near base ventrally.................................................................................................10
- Valva not concave ventrally...................................................................................................... T. tetragona
10 Distal half of valva narrowed sharply; phallus densely dentate .................................................... T. chiona
- Distal part of valva indistinctly narrowed; phallus sparsely dentate .............................................. T. delias
11 Sacculus with a semicircular process at apex ................................................................................. T. kappa
- Sacculus without process at apex................................................................................................... T. flavida
12 Ventral plate of gnathos spinose ............................................................................................................... 13
- Ventral plate of gnathos not spinose..........................................................................................................15
13 Ventral plate of gnathos medially concave on anterior margin ..................................... T. paranas sp. nov.
- Ventral plate of gnathos rounded on anterior margin................................................................................14
14 Sacculus obviously concave at middle, triangular apically .............................................................. T. anas
- Sacculus weakly developed, not concave or protrudent apically ................................................. T. lambda
15 Phallus with two big teeth near base.......................................................................................... T. bidentata
- Phallus without tooth near base................................................................................................................16
16 Sacculus with a lobe at base, with a subulate process at apex .................................. T. basilobata sp. nov.
- Sacculus with neither lobe at base nor process at apex.............................................................................17
17 Valva with a sclerotized loop at base............................................................................................... T. ovata
- Valva without sclerotized loop at base.......................................................................................................18
18 Socius with distal 1/3 semicircularly dilated ........................................................... T. acrivalvata sp. nov.
- Socius nearly parallel-sided......................................................................................................................19
19 Phallus distinctly curved at middle; sacculus triangular................................................................ T. albana
- Phallus straight; sacculus a sclerotized strip with a semicircular apical protuberance............... T. yunnana
description: Published as part of Fan, Ximei, Jin, Qing & Li, Houhun, 2008, Seven new species and a checklist of the genus Thecobathra Meyrick from China (Lepidoptera: Yponomeutidae), pp. 13-24 in Zootaxa 1821 on pages 14-15, DOI: 10.5281/zenodo.183025