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. 25 View 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. 22 View FIGURES 19 – 25 ).................................. Y. mucronulata   sp. nov.

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

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

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

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

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

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

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

10. Forewing yellowish brown mixed with dark brown on distal 1 / 3 ( Fig. 9 View 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. 8 View FIGURES 4 – 11 )..................................................... Y. leuconotella  

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

12. Forewing uniformly pale yellow except having a brown dot at 2 / 3 of fold ( Fig. 10 View 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. 11 View 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. 12 View FIGURES 12 – 18 ), forewing with R 4 and R 5 separated ( Fig. 63 View FIGURES 61 – 65 a )........................... Y. parallela  

- Thorax yellowish white ( Fig. 13 View FIGURES 12 – 18 ), forewing with R 4 and R 5 short stalked ( Fig. 64 View 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. 16 View FIGURES 12 – 18 )................................ Y. longisaccata   sp. nov.

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

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

20. Wing expanse over 23.0 mm, apex protruded triangularly ( Fig. 24 View 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. 15 View FIGURES 12 – 18 )......................... Y. albula   sp. nov.

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