Vietomartyria, Hashimoto & Mey, 2000

Liao, Cheng-Qing, Hirowatari, Toshiya & Huang, Guo-Hua, 2020, Descriptions of two new Vietomartyria species (Lepidoptera, Micropterigidae) from China, European Journal of Taxonomy 610, pp. 1-14 : 10

Key to species of the genus Vietomartyria

1. Forewing with broad golden stria at basal ⅓; tergite X (uncus) semicircular with an emarginate spine at middle posteriorly ............................................................ V. gladiator Hirowatari & Huang, 2010

– Forewing with golden luster at basal half and purple luster apically; tergite X bilobed, formed paired X tergal lobes .................................................................................................................................... 2

2. Dorsal process of valva right-angularly curved inwardly, with a long pointed apex ....................... 3

– Dorsal process of valva more or less curved inwardly, but not right-angular, with an obtuse or small apex ................................................................................................................................................... 6

3. Tergite X horizontal dorsally, paired X tergal lobes slender digitate .................................................. ............................................................................................ V. nanlingana Hirowatari & Jinbo, 2009

– Tergite X curved ventrally, paired X tergal lobes broad, triangular ................................................. 4

4. Basal inner surface of valva expanding dorsally, with a long hooked projection near dorsal part ..... ............................................................................... V. nankunshana Hirowatari & Hashimoto, 2009

– Basal inner surface of valva not expanding dorsally, without a hooked projection near dorsal part .... ...............................................................................................................................................................5

5. Basal half of valva longer than width .................................................. V. jinggangana (Yang, 1980)

– Basal half of valva distinctly wider than long ..................................... V. baishanzuna (Yang, 1995)

6. Dorsal process of valva broad, overtly curved inwardly ........................ V. expeditionis (Mey, 1997)

– Dorsal process of valva small, slightly curved inwardly .................................................................. 7

7. Tergite X deeply bilobed, paired X tergal lobes digitate; basal inner surface of valva with a long pointed arcuate projection near dorsal part .................................................... V. maoershana sp. nov.

– Tergite X shallowly bilobed, paired X tergal lobes triangular; basal inner surface of valva without a long pointed projection near dorsal part ......................................................... V. wuyunjiena sp. nov.