Ypsolopha albula, Jin, Qing, Wang, Shuxia & Li, Houhun, 2013

Jin, Qing, Wang, Shuxia & Li, Houhun, 2013, Review of the genus Ypsolopha Latreille, 1796 from China (Lepidoptera: Ypsolophidae), Zootaxa 3705 (1), pp. 1-91 : 12

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

Figures

FIGURES 158 – 163. Female genitalia of Ypsolopha spp. 158. Y. hebeiensis Yang, slide no. JQ 08217; 159. Y. leuconotella (Snellen), slide no. JQ 07260; 160. Y. flaviterminata sp. nov., paratype, slide no. JQ 07236; 161. Y. flavida sp. nov., paratype, slide no. JQ 07277; 162. Y. parallela (Caradja), slide no. JQ 07258; 163. Y. sarmaticella (Rebel), slide no. JQ 07227.

FIGURES 170 – 175. Female genitalia of Ypsolopha spp. 170. Y. bicostata sp. nov., paratype, slide no. JQ 07233; 171. Y. latiuscula sp. nov., paratype, slide no. JQ 07275; 172. Y. purpurata sp. nov., paratype, slide no. JQ 08020; 173. Y. minuta sp. nov., paratype, slide no. JQ 07228; 174. Y. allochroa sp. nov., paratype, slide no. JQ 07163; 175. Y. helva Sohn et Wu, slide no. JQ 07172.

FIGURES 153 – 157. Genitalia of Ypsolopha spp. 153 – 154. Male genitalia: 153. Y. diana (Caradja), slide no. JQ 07306; 154. Y. acuminata (Butler), slide no. JQ 08286. 155 – 157. Female genitalia: 155. Y. vittella (Linnaeus), slide no. JQ 07276; 156. Y. japonica Moriuti, slide no. JQ 07066; 157. Y. amoenella (Christoph), slide no. JQ 07098.

FIGURES 164 – 169. Female genitalia of Ypsolopha spp. 164. Y. parenthesella (Linnaeus), slide no. JQ 08228; 165. Y. fascimaculata sp. nov., paratype, slide no. JQ 07151; 166. Y. scabrella (Linnaeus), slide no. JQ 07270; 167. Y. acerella Ponomarenko et al., slide no. JQ 08022; 168. Y. yangi Ponomarenko et Sohn, slide no. JQ 07279; 169. Y. mucronulata sp. nov., paratype, slide no. L 94243.