Ypsolopha vittella Jin, Wang & Li, 2013, sp. nov.
Creators: name: Jin, Qing
name: Wang, Shuxia
name: Li, Houhun
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Plutellidae
Ypsolopha
Ypsolopha vittella

description: Key to species of Ypsolopha vittella -group based on female genitalia
(exclusive of Y. asperella, Y. albula sp. nov., Y. longisaccata sp. nov. and Y. horridella)
1. Signum with one transverse ridge....................................................................... 2
- Signum with two transverse ridges...................................................................... 5
2. Lamella postvaginalis Y-shaped (Fig. 161)................................................... Y. flavida sp. nov.
- Lamella postvaginalis V-shaped......................................................................... 3
3. Ductus bursae sclerotized on posterior 4/5 (Fig. 172)........................................... purpurata sp. nov.
- Ductus bursae membranous............................................................................ 4
4. Ductus bursae twisted near corpus bursae, signum narrowed posteriorly (Fig. 171)................. Y. latiuscula sp. nov.
- Ductus bursae not twisted near corpus bursae, signum ovate (Fig. 160)....................... Y. flaviterminata sp. nov.
5. Ductus bursae broadened to corpus bursae, not distinctly separated from corpus bursae............................. 6
- Ductus bursae narrow, distinctly separable from corpus bursae................................................ 8
6. Ductus bursae sclerotized entirely (Fig. 155)......................................................... Y. vittella
- Ductus bursae membranous............................................................................ 7
7. Signum 3/5 length of corpus bursae (Fig. 169)............................................ Y. mucronulata sp. nov.
- Signum 1/2 length of corpus bursae (Fig. 170).............................................. Y. bicostata sp. nov.
8. Intersegmental membrane between papilla analis and 8th abdominal segment longer than abdomen (Fig. 156)... Y. japonica
- Intersegmental membrane between papilla analis and 8th abdominal segment as long as or shorter than abdomen........ 9
9. Ductus bursae shorter than corpus bursae................................................................ 10
- Ductus bursae longer than corpus bursae................................................................. 12
10. Ductus bursae granulous before inception of ductus seminalis, signum rounded on anterior half (Fig. 158)..... Y. hebeiensis
- Ductus bursae granulous from inception of ductus seminalis to corpus bursae, signum rhombic on anterior half......... 11
11. Signum trapezoid posteriorly (Fig. 157)......................................................... Y. amoenella
- Signum triangular posteriorly (Fig. 166)................................................. Y. scabrella (Linnaeus)
12. Lamella postvaginalis convex on posterior margin (Fig. 167)........................................... Y. acerella
- Lamella postvaginalis concave on posterior margin........................................................ 13
13. Corpus bursae rounded............................................................................... 14
- Corpus bursae long ovate or triangular.................................................................. 16
14. Ductus bursae twisted near corpus bursae (Fig. 162)................................................. Y. parallela
- Ductus bursae straight, not twisted near corpus bursae...................................................... 15
15. Lamella postvaginalis V-shaped, ductus bursae granulous on posterior 1/3 (Fig. 165)............. Y. fascimaculata sp. nov.
- Lamella postvaginalis Y-shaped, ductus bursae entirely smooth (Fig. 163)............................ Y. sarmaticella
16. Corpus bursae triangular (Fig. 159)............................................................ Y. leuconotella
- Corpus bursae long ovate............................................................................. 17
17. Ductus bursae 1.7 times length of corpus bursae (Fig. 168).............................................. Y. yangi
- Ductus bursae 1.25 times length of corpus bursae (Fig. 164)....................................... Y. parenthesella
description: Published as part of Jin, Qing, Wang, Shuxia & Li, Houhun, 2013, Review of the genus Ypsolopha Latreille, 1796 from China (Lepidoptera: Ypsolophidae), pp. 1-91 in Zootaxa 3705 (1) on page 12, DOI: 10.11646/zootaxa.3705.1.1, http://zenodo.org/record/284569