ID for Vietnam butterflies

Hi Dr. Seow,

Seeking your assistance to verify/ID the following butterflies taken in Vietnam, please.

Thank you!

1) Polyura athamas?

https://www.inaturalist.org/observations/169383597


2) Euthalia recta ?

https://www.inaturalist.org/observations/169383605

3) Euploea tullioius?

https://www.inaturalist.org/observations/169383604

4) Amblypodia anita?

https://www.inaturalist.org/observations/169383607

5) Amblypodia anita?

https://www.inaturalist.org/observations/169383635

6) Mahathala ameria?

https://www.inaturalist.org/observations/169383653

7) Curetis sp. Not sure which one it is.

https://www.inaturalist.org/observations/169383633

8) To be honest I cannot even start to find any clues to this skipper...

https://www.inaturalist.org/observations/169383669

9) Drupadia theda?

https://www.inaturalist.org/observations/169383621

10) Eurema andersoni?

https://www.inaturalist.org/observations/169383648

11) Appias albina?

https://www.inaturalist.org/observations/169383616

12) Telicota sp. Not sure how to proceed from here.

https://www.inaturalist.org/observations/169383624

13) Miletus chinensis?

https://www.inaturalist.org/observations/169383681

14) Idmon obliquans?

https://www.inaturalist.org/observations/169383623

15) Mycalesis sp. Unable to proceed further.

https://www.inaturalist.org/observations/202631806

16) Terinos clarissa?

https://www.inaturalist.org/observations/202631812

17) Not sure which Ypthima sp. dry season form this is

https://www.inaturalist.org/observations/202631796

18)Symbrenthia lilaea?

https://www.inaturalist.org/observations/202631798

1.https://www.inaturalist.org/observations/169383597

Polyura athamas.
Recent molecular studies suggest the main population in SE Asia is P. athamas.
The Sundanian populations in Sumatra & Borneo is designated as P. attalus uraeus. In Java as P. attalus attalus.
The population in P. Malaysia is presumably P. athamas though this may not be the case as opined by Eliot.


2. https://www.inaturalist.org/observations/169383605
Euthalia monilis monilis or as Euthalia recta monilis.
Some studies suggest there are two species.
They are very similar with the HW band broader in monilis, the red tornal spot is variable.
https://yutaka.it-n.jp/lim2/722030001.html
https://yutaka.it-n.jp/lim2/722040001.html


3.https://www.inaturalist.org/observations/169383604

Both Euploea tulliolus & eunice are so similar on the underside that they seem impossible to separate.
E. tulliolus.Singapore.
https://www.butterflycircle.com/chec...obby%20Mun.jpg
https://thaibutterflies.com/wp-conte...-tulliolus.jpg
https://yutaka.it-n.jp/dan/30720020.html
E. eunice leucogonis
https://thaibutterflies.com/wp-conte...oea-eunice.jpg
https://butterfliesvietnam.blogspot....stis-blue.html

This looks like E. eunice, but field observation is the best judge.
E. eunice is large & imposing, & twice the size of E. tulliolus.

4. https://www.inaturalist.org/observations/169383607

5. https://www.inaturalist.org/observations/169383635

Amblypodia anita.

A. anita is purple above & the fore tibiae are paler, whitish.
FW cellend with a short bar.
https://thaibutterflies.com/wp-conte...odia-anita.jpg
https://thaibutterflies.com/wp-conte...nita-parva.jpg

A. narada is bluer & the fore tibiae are more brownish.
FW cellend without a visible bar.
https://www.flickr.com/photos/gancw1/3106582961
https://thaibutterflies.com/wp-conte...dia-narada.jpg

6. https://www.inaturalist.org/observations/169383653

Mahathala ariadeva burmana.
HW crossed by several irregular pale fascia.
https://yutaka.it-n.jp/lyc4f/82705010.html
https://wingscales.com/Lycaenidae/Ma...iadeva-burmana


M. ameria ameria.
HW not crossed by pale fasciae.
https://yutaka.it-n.jp/lyc4f/82700001.html
https://wingscales.com/Lycaenidae/Ma...-ameria-ameria

7. https://www.inaturalist.org/observations/169383633

Curetis saronis indosinica.


Underside without black dots & wings crossed by irregular lunules running parallel to the margin.
Two possible species in the area.

Curetis saronis indosinica.
Legs banded orange to varying degree of red brown.
https://yutaka.it-n.jp/lyc3/84090010.html
https://wingscales.com/Lycaenidae/Cu...nis-indosinica

Curetis tagalica vietnamica.
Legs banded black or dark grey.
https://yutaka.it-n.jp/lyc3/84110020.html
Ssp jopa.
https://res.cloudinary.com/ppc1/imag...yiqplculjz.jpg

8. https://www.inaturalist.org/observations/169383669
Antennae with the usual pale areas.

Female Caltoris bromus bromus.
https://yutaka.it-n.jp/hes/93320001.html

The female often have HW spots but soetimes not.
The male is usually without HW spots but occasionally have them.
Singapore.
Typical male.
https://www.inaturalist.org/observations/184641820
Female.
https://www.inaturalist.org/observations/13664032
Female Taiwan.
https://live.staticflickr.com/6177/6...dd7ab1ee_b.jpg
Female Chitwan India.
https://www.researchgate.net/profile...ember-2021.png


The only other species in which the HW may have spots is Caltoris kumara.
HW spots are only present in ssp kumara in S India.
https://www.ifoundbutterflies.org/si...0e6b4ea4-1.jpg
Ssp moorei in SE Asia lacks the HW spots.
https://yutaka.it-n.jp/hes/93350010.html

9.https://www.inaturalist.org/observations/169383621

Drupadia rufotaenia vietnamica.

only two species in Vietnam in which the Hw bands becomes 'hollow' & delineated by black lines.

D. rufotaenia vietnamica.
Attachment 28565
HW with the blackish quadrate spots in space 6 & 7 broadly overlapping & almost in line.
https://yutaka.it-n.jp/lyc4g/83090020.html

Drupadia theda
postdiscal spot 6 & 7 out of line.
https://yutaka.it-n.jp/lyc4g/83100030.html
https://www.butterflycircle.com/chec...-Sunny-Chi.jpg

10.https://www.inaturalist.org/observations/169383648

Probably correct as andersoni.
The single cellspot look too central.
There seem to be something vaguely of another cellspot.



11. https://www.inaturalist.org/observations/169383616

Appias paulina adamsoni.
Match the male from Trat.
https://yutaka.it-n.jp/pie/20610010.html
Compare.
https://yutaka.it-n.jp/pie/20590010.html



12.https://www.inaturalist.org/observations/169383624

Male Telicota bambusae.

Medium, FW 15mm FW band broad, UnH veins not dark-dusted.
https://www.flutters.org/home/photog...picture&id=486
https://www.wikidata.org/wiki/Q95509...B_DSC_3871.jpg

Similar to T. linna ,large, FW 19mm ,band narrower.
https://blogger.googleusercontent.co...Horace-Tan.jpg



13.https://www.inaturalist.org/observations/169383681
Likely Miletus chinensis.
Underside relatively clear , fW subapical spots aligned.
https://yutaka.it-n.jp/lyc2/80210010.html

14 .https://www.inaturalist.org/observations/169383623

probably Koruthaaialos rubecula.
There are forms which are brown.
https://yutaka.it-n.jp/hes/91510010.html
Also possible.
https://yutaka.it-n.jp/hes/91520001.html



15. https://www.inaturalist.org/observations/202631806

Mycalessis malsara dry season for.
Striated ground pattern ;straight bands.
https://blogger.googleusercontent.co...alsara+BV2.jpg
https://butterfliesvietnam.blogspot....hite-line.html



16. https://www.inaturalist.org/observations/202631812

Terinos clarissa militum female.
HW with a serie of purple lunules near the inner margin of the orange zne.
https://yutaka.it-n.jp/hel/710280030.html
Similar.
T atlita ; lunules near the outer margin of orange zone.
https://yutaka.it-n.jp/hel/710270020.html



!7 https://www.inaturalist.org/observations/202631796

Probaly Ypthima baldus baldus dsf.
Ground colour pale buff.
https://yutaka.it-n.jp/sat/41000001.html



18. https://www.inaturalist.org/observations/202631798

Symbrenthia lilaea.
S. hippoclus is not found in Vietnam.



TL Seow: cheers.

9.https://www.inaturalist.org/observations/169383621

I did'nt realise there is a ssp of D. ravindra which is also similar.

Firstly D. theda is out as the HW postdiscal spot 6(hollow) & spot 7 (solid) are well out of line.
The lower postdiscal bands are also long.
https://yutaka.it-n.jp/lyc4g/83100010.html

The ssp (un-named) of D. ravindra is also found in S. Vietnam.
https://yutaka.it-n.jp/lyc4g/83080040.html
The important features.
1.In D. ravindra the HW postdiscal spot 6 & 7 are perfectly aligned forming a uniform column.
2.The lower postdiscal spots below are more curvy & U-shaped.
3.The FW discal band tend to be undulate.
The 1st feature is particularly constant ,as seen in other ssp.
https://yutaka.it-n.jp/lyc4g/83080020.html
https://yutaka.it-n.jp/lyc4g/83080010.html


In D. rufotaenia vietnamica.
1. HW postdiscal spots 6 & 7are slightly out of line, with spot 7 shifted inwards.
2. The rest of the postdiscal spots are less curvy.
3. FW discal band is more or less straight.
This individual matches the female from Dong Nai well.
https://yutaka.it-n.jp/lyc4g/83090020.html

appears that whether the bands are ssolid or 'hollow' depends on the subspecies in most species.


TL Seow; Cheers.