ID Request - Peninsular Malaysia by SL Liew - May 25, 2025

Hi Dr. Seow,
I recently drove to different locations in KL-Selangor.
Need your help to id these observations. Thank you very much.


Location: Sungai Congkak, Hulu Langat - May 21, 2025
#1A
Halpe?
https://www.inaturalist.org/observations/283875122

#1B
Halpe?
https://www.inaturalist.org/observations/283296117

#2
Pithauria?
https://www.inaturalist.org/observations/282854586

#3
Pithauria?
https://www.inaturalist.org/observations/283888792

#4
Grass Skipper?
https://www.inaturalist.org/observations/282854597

#5
Grass Skipper?
https://www.inaturalist.org/observations/282859867

#6
Koruthaialos?
https://www.inaturalist.org/observations/282854593

#7
Notocrypta?
https://www.inaturalist.org/observations/282854592

#8
Polyura athamas?
https://www.inaturalist.org/observations/282854594


++++++++++++++++++++++++++

Location: Taman TAR, Jalan Satu, Ampang - May 22, 2025
#9
Grass skipper?
https://www.inaturalist.org/observations/283380127

#10
Grass skipper?
https://www.inaturalist.org/observations/283380145

#11
Lascar??
https://www.inaturalist.org/observations/283380123


Location: Penang Botanic Gardens - May 17, 2025
Eurema?
https://www.inaturalist.org/observations/281754154


Cheers from Penang,
SL Liew

1a.https://www.inaturalist.org/observations/283875122

Halpe pelethronix/ wantona.

These two species are seperable only by genitalia dissection.

Halpe pelethronix.
https://www.gbif.org/occurrence/2456362066
https://www.gbif.org/occurrence/2456362021

Halpe wantona.
https://www.gbif.org/occurrence/2847175863
https://www.gbif.org/occurrence/2847175862

1b.https://www.inaturalist.org/observations/283296117
2. https://www.inaturalist.org/observations/282854586
3. https://www.inaturalist.org/observations/283888792

Pithauria stramineipennis.
This species have sharper FWs, and often have a pattern similar to Halpe.
Often there is a white centre on the interneural dark spot in space 6. as shown below .This is diagnostic.
https://d29tlldvxtis6c.cloudfront.ne...rawace1743.jpg
The UnH pattern can be very variable.
https://www.ifoundbutterflies.org/pi...tramineipennis

The 2nd species P. marsena have heavy white spotting.

4. https://www.inaturalist.org/observations/282854597
Unknown.
The arrangement of the FW spots are as for the smaller species, Isma, Zographetus, Salaenomia , Pemara.


5.https://www.inaturalist.org/observations/282859867
Suada swerga.
https://yutaka.it-n.jp/hes/91700010.html

6. https://www.inaturalist.org/observations/282854593
Koruthaialos sindu.

K. sindu have the orange band always reaching the costa.
There is a shallow mid margin notch/ indentation on the outer border.
https://yutaka.it-n.jp/hes/91530001.html

K. rubecula.
The orange band may or may not reach the costa.
The outer margin of the band is regular.
https://yutaka.it-n.jp/hes/91510001.html



7. https://www.inaturalist.org/observations/282854592
Notocrypta clavata.

UnF band have white shading connecting band to the costa. Best seen in pix 2, & 4.
FW usually without a spot 4.
https://yutaka.it-n.jp/hes/91610001.html


8. https://www.inaturalist.org/observations/282854594

There are either two species in P. Malaysia.
1. Polyura paulletae ( previously taught to be the continental P. athamas. )
2. Polyura attalus uraeus (Previously as P. athamas uraeus.)
or possibly three species,ie P. paulletae, P. attalus uraeus and the real P. athamas.

9. https://www.inaturalist.org/observations/283380127
Probably Potanthus mingo.

The 2nd pic shows a black abdominal end and heavy banding.
Normally thi would suggest P. lydia but P. lydia is a highland species.
P. lydia.
https://www.thaibutterflies.com/wp-c...a-1080x725.jpg

P. mingo have a black banded abdominal end and is a lowland species.
https://blogger.googleusercontent.co...0/_MG_1529.jpg
https://blogger.googleusercontent.co...0/_MG_1531.jpg



10.https://www.inaturalist.org/observations/283380145
Probably Halpe spp.


11. https://www.inaturalist.org/observations/283380123
Too blur. Probably Pantoporia hordonia.


12. https://www.inaturalist.org/observations/281754154
Probably E. hecabe.
The black border is as for E. hecabe.
There are forms with narrow borders.
https://yutaka.it-n.jp/pie/21240001.html


TL Se4ow: Cheers.

Thanks so much for your detailed id. Appreciate it.

Cheers, SL Liew