ID help needed for Skipper (22 Nov 2021)

[Blue Nawab]

Dear Dr Seow,
Pls help with the following id, thanks!

S45.jpg

[Psyche]

Male Potanthus trachala tytleri.

Of the species with a prominent black band at the abdominal end the closest is to P. mingo.


P. trachala tytleri. Larger. FW 14-15mm.

FW upperside with spots 4 & 5 fully detached or nearly so.
FW underside spots 4 & 5 no overlap, connected above & below only by the spikes.
FW spots 2 & 3 with concave margins.
HW upper spot of band strongly projected out from the outer margins of the band in space 2 & 3.
All Singapore males.
http://1.bp.blogspot.com/-xp54_a5Xd1...Bupperside.jpg
http://4.bp.blogspot.com/-kvlAhJLLsd...la-tytleri.jpg
https://1.bp.blogspot.com/-kcinccQ1a...%2Btytleri.JPG


P. mingo Smaller FW 12-13mm.
FW with spots 4 & 5 with varying overlaps.
FW spots 2 & 3 with straight margins.
HW HW underside band upper spot only slightly projected beyond the outer margins of the band in space 2 & 3.
Underside HW band margins excavate, concave with dark spots.
All Singapore males.
http://3.bp.blogspot.com/-f3wB2A2ujB...0/_MG_1531.jpg
http://3.bp.blogspot.com/-lQGrUAdKox...0/_MG_1529.jpg



P. serina Large FW 16mm.
FW with spot 5 much smaller than spot 4.
Underside largely brown shaded, more orangey,
HW often with a small spot 6 at the upper inner corner.
Male.
http://www.butterflycircle.com/check...serina-KSK.jpg


P. juno. FW 14mm.
Abdominal end with a dark patchdorsally.
FW with spot 5 smaller than spot 4.
FW subapical spot 8 reduced or absent.
Singapore male & female.
http://3.bp.blogspot.com/-eLxO6Cqrl-...it%2BBrown.jpg
https://1.bp.blogspot.com/-WroJpPq0U...Dart-KohCH.jpg


The other three species have the abdominal yellow with a thin black line basally.
Female do have darkish shading of the abdominal end dorsaloly.
Males. P. omaha, ganda & confucius.
http://www.butterflycircle.com/check...obby%20Mun.jpg
https://farm2.static.flickr.com/1337...ac5c42d89d.jpg
https://lh3.googleusercontent.com/pr...viHOGyobqFTUiw



TL Seow: Cheers.