Skippers ID clarification in Singapore

[Psyche]

Post 53.

1 Female Pantoporia hordonia.

The two species are often much confused throughout their range.
In Singapore the two species are more similar possibly because of some crossing.


Pantoporia hordonia.
Grey submarginal band wider than the orange band, which may be broken or much rduced,
The male have a small grey speculum on the HW base which is fully hidden at rest.
Typical male P. Malaysia.
http://nlliew66butterflies.blogspot....-hardonia.html
Note small HW grey speculum in set specimen.
http://yutaka.it-n.jp/lim1/720010001.html
Males Singapore.
https://static.inaturalist.org/photo...381/large.jpeg
https://static.inaturalist.org/photo...336/large.jpeg
Females Singapore.
https://inaturalist-open-data.s3.ama...2147/large.jpg
https://inaturalist-open-data.s3.ama...376/large.jpeg
https://inaturalist-open-data.s3.ama...6740/large.jpg


Pantoporia sandaka.
FW submarginal orange band wider than grey band ,typically intact , unbroken.
Grey band often constrcted into beads.
Male FW postdiscal band's foot extension along the lower margin always large.
HW with a larger white speculum around the base which often shows as a white highlight below the FW.
SSp davidsoni showing the white speculum.
http://yutaka.it-n.jp/lim1/720020010.html
Typical male P. Malaysia.
http://nlliew66butterflies.blogspot....a-sandaka.html
Males Singapore.
https://1.bp.blogspot.com/_rzo8wjfyC...erick_02_c.jpg
https://inaturalist-open-data.s3.ama...2610/large.jpg
https://inaturalist-open-data.s3.ama...753/large.jpeg
https://inaturalist-open-data.s3.ama...9459/large.jpg
The female can be rather confusingly similar to the female P. hordonia.
Females Singapore.
https://inaturalist-open-data.s3.ama...0791/large.jpg
https://inaturalist-open-data.s3.ama...1146/large.jpg
https://static.inaturalist.org/photo...128/large.jpeg
Probable female P. sandaka. ( Google zoom 300X ,& the grey band can be seen to be much narrower than the black spacing.
https://inaturalist-open-data.s3.ama...7217/large.jpg