Sabah, Malaysia - ID requests

[Gavin Chan]

Hi Dr Seow, would also like to seek your opinion on a couple of butterflies taken on the same trip.

1. Prosotas sp. Am inclined to P. bhutea
Prosotas sp Sabah 2023.jpg

2. Chersonesia sp. (1)
Cyrestis sp Sabah 2023 1.jpg

2. Chersonesia sp. (2) This appears to be similar to the one above, but almost twice it's size.
Cyrestis sp Sabah 2023 2.jpg

Thanks in advance!

Edited to correct the genus.

[Commander]

Definitely not Cyrestis for #2 and #3. These Maplets are all from the Chersonesia ​genus.

[Gavin Chan]

Thanks for the correction Mr Khew. Have edited the post.

[Psyche]

Post 11.

1. Prosotas bhutea.

Three species are very similar in the field.

Prosotas bhutea.
FW midcell band not extending into space 1b.
Likewise the postdiscal band is almost always without any spot in space 1b.
Postdiscal spots with more rounded margins.
Marginal & submarginal spots are usually equally poorly defined.
HW orange ring not defined in black.
PROSOTAS.png
Below images which the FW is raised enough to show no extension of the mid cell band.
https://www.ifoundbutterflies.org/si...f7e96046-1.jpg
https://www.ifoundbutterflies.org/si...f9c4ec33-1.jpg
Thailand.
https://farm2.staticflickr.com/1906/...24c8f1fb_c.jpg
Sabah.
https://www.jamiun.com/prosotas-bhutea-tambunanensis/

Prosotas pia.
FW midcell band extend into space 1b.
HW submarginal spots weak & faded more than the marginal spots.
https://www.ifoundbutterflies.org/si...unte_ai937.jpg
https://www.ifoundbutterflies.org/si...0f81cc09-2.jpg
https://www.jamiun.com/prosotas-pia-...ined-lineblue/


Prosotas nora.
FW midcell band extend into space 1b.
All markings well-defined .
Marginal & submarginal spots equally strong.
https://www.butterflycircle.com/chec...imon%20Sng.jpg

[Psyche]

Post 11.
2 & 3.

Yes these are Chersonesia species.

Both are C. intermedia. The size is very variable in this species.

Three species have the postdiscal band single, ie not with multiple lines or margins.

C. risa have the postdiscal ban narrow, defined, & all bands with straight margins.
https://en.wikipedia.org/wiki/Cherso..._Meghalaya.jpg


C. rahria.
FW submarginal fascia undulate & broad.
FW apex crossed by a curved line.
https://thaibutterflies.com/Butterfl...onesia-rahria/


C. intermedia.
FW submarginal band undulate.
FW apex not cross by a curved line.
https://www.flickr.com/photos/beauti...n/photostream/
https://www.ifoundbutterflies.org/si...46793b-1_0.jpg


TL Seow: Cheers.

[Gavin Chan]

Thank you Dr Seow! Much appreciated.

[LJK1410]

Hi Dr Seow,

Just returned from another trip to Sabah and have some IDs I need help with, mostly of Hesperiinae.

1. Chersonesia sp:

a. Size was small. iNaturalist link: https://www.inaturalist.org/observations/166385435
Chersonesia 1.jpeg

b. Size was bigger. iNaturalist link: https://www.inaturalist.org/observations/166385370
Chersonesia 2.jpeg
Size comparison between the two, the smaller one is the individual shown in 1a.
photo1686813064.jpeg

c. Size was small. iNaturalist link: https://www.inaturalist.org/observations/166553421
Chersonesia 3.jpeg

2. Curetis species. iNaturalist link: https://www.inaturalist.org/observations/166551744
Curetis sp (2).jpeg

3. Quedara species? iNaturalist link: https://www.inaturalist.org/observations/166765940
Quedara sp 1.jpeg
Quedara sp 1b.jpeg

4. Notocrypta paralysos? iNaturalist link: https://www.inaturalist.org/observations/166766530
Notocrypta.jpeg

5. Halpe sp. maybe ormenes? iNaturalist link: https://www.inaturalist.org/observations/166996957
Halpe sp.jpeg
Halpe sp b.jpeg

6. Koruthaialos sp. iNaturalist link: https://www.inaturalist.org/observations/166998366
Koruthaialos sp.jpeg

7. Isma sp? Unfortunately only got this one shot before it flew away. iNaturalist link: https://www.inaturalist.org/observations/166552814
Isma sp.jpeg

8. Erionota/Gangara sp? Size was very large. Ventrals shot by my friend.
Gangara sp.jpeg
Gangara sp b.jpeg

9. Unknown Hesperiinae shot by my friend.
Skipppper.jpeg

10. Choaspes sp. Not sure if C.subcaudatus or C.plateni. iNaturalist link: https://www.inaturalist.org/observations/166766261
Choaspes sp 1a.jpeg
Choaspes sp 1b.jpeg

11. Celaenorrhinus species:
a. iNaturalist link: https://www.inaturalist.org/observations/166996364
Celaenorrhinus sp 1b.jpeg

b. iNaturalist link: https://www.inaturalist.org/observations/167152323
Celaenorrhinus sp 2.jpeg

12. Tagiades sp. maybe ultra? Shot by my friend
Tagiades sp.jpeg

Continued

[LJK1410]

Part 2, just left with some Euploea sp and a Prosotas sp.

13. Euploea sp. All were of large size.

a. iNaturalist link: https://www.inaturalist.org/observations/167327464
Euploea sp 1.jpeg

b. iNaturalist link: https://www.inaturalist.org/observations/167153690
Euploea sp 2.jpeg

c. Shot by my friend.
Euploea sp 3.jpeg

14. Prosotas bhutea? Can't really tell for certain if the spot in space 1b is present, but the FW post-discals are certainly more rounded like in P.bhutea.
photo1686821045.jpeg
photo1686821045 (1).jpeg
photo1686821045 (2).jpeg

[Psyche]

Post 17.

a. Chersonesia intermedia.
FW apex with a single black dot. HW inner two black-edged band same width as the postdiscal band.

b & c.
Chersonesia rahria.
FW apex with 2 black spots forming a curved cross band.
HW inner two bands narrower than postdiscal band.

[Psyche]

Post 17 no 2.
Curetis tagalica.
Postdiscal band parallel to termen. No black dots.
Legs banded black.
Postdiscal band may be narrow or broad.

C. regula is very similar but in Borneo band seem to be narrow ?always.
The outer margins on the HW band is more regular.
http://yutaka.it-n.jp/lyc3/84110010.html
http://www.jamiun.com/curetis-tagali...thern-sunbeam/
http://yutaka.it-n.jp/lyc3/84100001.html