Ypsolopha vittella

Jin, Qing, Wang, Shuxia & Li, Houhun, 2013, Review of the genus Ypsolopha Latreille, 1796 from China (Lepidoptera: Ypsolophidae), Zootaxa 3705 (1), pp. 1-91: 10-11

publication ID

http://dx.doi.org/10.11646/zootaxa.3705.1.1

publication LSID

lsid:zoobank.org:pub:951736E6-A034-4EA8-8A5C-9674628BFF95

persistent identifier

http://treatment.plazi.org/id/5D336942-615B-FFE7-24FF-B08EFA13FB1C

treatment provided by

Plazi

scientific name

Ypsolopha vittella
status

 

Key to species of Ypsolopha vittella  -group based on external characters

1. Forewing brown, with purple metallic shine ( Fig. 25View FIGURES 19 – 25)......................................... Y. purpurata  sp. nov.

- Forewing not brown, without purple metallic shine......................................................... 2

2. Forewing with a broad streak along dorsum............................................................... 3

- Forewing without such broad streak.................................................................... 12

3. Streak along dorsum darker than ground colour of forewing.................................................. 4

- Streak along dorsum paler than ground colour of forewing................................................... 10

4. Streak with upper margin yellowish white................................................................. 5

- Streak without differently colored upper margin............................................................ 6

5. Forewing with several rows of dark brown scales ( Fig. 22View FIGURES 19 – 25).................................. Y. mucronulata  sp. nov.

- Forewing without such rows as above ( Fig. 23View FIGURES 19 – 25)............................................. Y. bicostata  sp. nov.

6. Forewing with apex protruded triangularly ( Fig. 21View FIGURES 19 – 25)................................................ Y. horridella 

- Forewing with apex rounded........................................................................... 7

7. Forewing with several rows of ocherous brown scales on distal 2 / 3 ( Fig. 20View FIGURES 19 – 25)................................ Y. yangi 

- Forewing without such scales as above................................................................... 8

8. Forewing with R 4 and R 5 very short stalked ( Fig. 57View FIGURES 55 – 60), cell with a dark brown strip at end ( Fig. 6View FIGURES 4 – 11)............ Y. amoenella 

- Forewing with R 4 and R 5 separated, cell without dark brown strip at end......................................... 9

9. Forewing with a longitudinal interrupted median dark brown strip on distal half ( Fig. 4View FIGURES 4 – 11)...................... Y. vittella 

- Forewing without such strip as above ( Fig. 5View FIGURES 4 – 11)...................................................... Y. japonica 

10. Forewing yellowish brown mixed with dark brown on distal 1 / 3 ( Fig. 9View FIGURES 4 – 11)...................... Y. flaviterminata  sp. nov.

- Forewing grayish white or grayish brown on distal 1 / 3 ...................................................... 11

11. Streak on dorsum of forewing white ( Fig. 8View FIGURES 4 – 11)..................................................... Y. leuconotella 

- Streak on dorsum of forewing grayish white ( Fig. 7View FIGURES 4 – 11)............................................... Y. hebeiensis 

12. Forewing uniformly pale yellow except having a brown dot at 2 / 3 of fold ( Fig. 10View FIGURES 4 – 11)................... Y. flavida  sp. nov.

- Forewing not uniformly coloured, with fine markings...................................................... 13

13. Forewing with a triangular yellowish brown patch ranging from dorsal 1 / 4 to 3 / 4 ( Fig. 11View FIGURES 4 – 11).................. Y. asperella 

- Forewing without such a patch......................................................................... 14

14. Forewing with two parallel stripes...................................................................... 15

- Forewing without such stripes......................................................................... 16

15. Thorax yellowish brown ( Fig. 12View FIGURES 12 – 18), forewing with R 4 and R 5 separated ( Fig. 63View FIGURES 61 – 65 a)........................... Y. parallela 

- Thorax yellowish white ( Fig. 13View FIGURES 12 – 18), forewing with R 4 and R 5 short stalked ( Fig. 64View FIGURES 61 – 65 a)...................... Y. sarmaticella 

16. Forewing with several rows of small dots................................................................ 17

- Forewing without such dots........................................................................... 18

17. Forewing with a white strip from end of cell to apex ( Fig. 16View FIGURES 12 – 18)................................ Y. longisaccata  sp. nov.

- Forewing without white strip ( Fig. 17View FIGURES 12 – 18)................................................. Y. fascimaculata  sp. nov.

18. Forewing with erect scales............................................................................ 19

- Forewing without erect scales......................................................................... 20

19. Forewing with white and brown strips along veins ( Fig. 18View FIGURES 12 – 18)........................................... Y. scabrella 

- Forewing without strips as above ( Fig. 19View FIGURES 19 – 25)......................................................... Y. acerella 

20. Wing expanse over 23.0 mm, apex protruded triangularly ( Fig. 24View FIGURES 19 – 25).............................. Y. latiuscula  sp. nov.

- Wing expanse equal to or less than 20.0 mm, apex rounded.................................................. 21

21. Forewing with grayish brown or ocherous brown strips along veins ( Fig. 15View FIGURES 12 – 18)......................... Y. albula  sp. nov.

- Forewing without strips along veins ( Fig. 14View FIGURES 12 – 18)................................................... Y. parenthesella