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View Full Version : ID help needed for Skipper (22 Nov 2021)



Blue Nawab
22-Nov-2021, 06:47 PM
Dear Dr Seow,
Pls help with the following id, thanks!

27408

Psyche
22-Nov-2021, 09:41 PM
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_a5Xd1I/VCeCYlXBG9I/AAAAAAAABTc/nXtKcVbOjcg/s1600/Potanthus%2Btrachala%2B-%2Bupperside.jpg
http://4.bp.blogspot.com/-kvlAhJLLsd0/VAxf7FbehUI/AAAAAAAAQFc/hP3tC8esw5s/s1600/HFH3746-Potanthus-trachala-tytleri.jpg
https://1.bp.blogspot.com/-kcinccQ1aJQ/Xm43VASQ2uI/AAAAAAAAUyI/dRDMZQ5vUrwUCmddUzTqD9dk9D6am8vjgCLcBGAsYHQ/s1600/HFH_8008%2BPotanthus%2Btrachala%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/-f3wB2A2ujBs/TljGL_hdu_I/AAAAAAAABdc/afUjssvXasc/s1600/_MG_1531.jpg
http://3.bp.blogspot.com/-lQGrUAdKoxA/TljGcV6vWII/AAAAAAAABdk/75l7StMF3FY/s320/_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/checklist/mugshots/Potanthus%20serina/Potanthus-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-k/Tv3BPqqdcTI/AAAAAAAAFIw/5qD_fJxEnpw/s400/DSC3668%2BSkipper%2B%2540%2BBukit%2BBrown.jpg
https://1.bp.blogspot.com/-WroJpPq0U5g/WGddN4VeO8I/AAAAAAAAQQk/yLDmI309uw8nDMBP_wvQFzx7edYEtR6IACLcB/s450/JunoDart-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/checklist/mugshots/Potanthus%20omaha%20omaha/272%20Potanthus%20omaha%20omaha%20(Lesser%20Dart)% 20Bobby%20Mun.jpg
https://farm2.static.flickr.com/1337/1049156520_ac5c42d89d.jpg
https://lh3.googleusercontent.com/proxy/W1oHagM69xu-l7diR2Qr9QdT7BGI0aGF9KN2hdtl6DI7v2QSOwvEvf5awD4bGn MtrCT-N77mOO8I411p5jZ3O9CoviHOGyobqFTUiw



TL Seow: Cheers.