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View Full Version : ID request: Potanthus ganda? Ulu Sembawang



Yam Tim Wing
10-Oct-2023, 02:13 PM
Dear Dr Seow,

May I know if the attached is Potanthus ganda?

Thank you.

Tim

Psyche
10-Oct-2023, 06:44 PM
It is a male Potanthus .omaha


Three species recorded in Singapore have the abdominal end yellow in the male (Females have some dark shadings.)


Potanthus omaha.
Upperside with the veins blackened variably on both wings.
Underside with the veins lightly dark/black.
Males.
http://www.butterflycircle.com/checklist/mugshots/Potanthus%20omaha%20omaha/PM_adult_release_site_02.jpg
https://inaturalist-open-data.s3.amazonaws.com/photos/326272672/large.jpeg
http://www.butterflycircle.com/checklist/mugshots/Potanthus%20omaha%20omaha/272%20Potanthus%20omaha%20omaha%20(Lesser%20Dart)% 20Bobby%20Mun.jpg
https://4.bp.blogspot.com/-263fUWsG-T4/U6ZRB5vc-II/AAAAAAAAOP4/Yf3utLh6V5Q/s1600/HFH_2948-p-omaha.jpg
Females.
https://inaturalist-open-data.s3.amazonaws.com/photos/306778059/large.jpeg
https://inaturalist-open-data.s3.amazonaws.com/photos/307402949/large.jpg


Potanthus ganda.
Upperside FW with the veins lightly dark.
Upperside HW with the veins not darkened.
Underside with the veins not or barely dark
Males often strongly reddish.
Males.
https://2.bp.blogspot.com/-6KehhAM8g1Y/VgemhKAeKFI/AAAAAAAABcs/_sFxcLJwu74/s1600/Potanthus%2Bganda.jpg
https://inaturalist-open-data.s3.amazonaws.com/photos/8680032/large.jpeg
https://inaturalist-open-data.s3.amazonaws.com/photos/208954069/large.jpeg
Females.
http://www.butterflycircle.com/checklist/mugshots/Potanthus%20ganda/GandaDart-HoraceT.jpg
https://inaturalist-open-data.s3.amazonaws.com/photos/308106877/large.jpg


Potanthus confucius.
Upperside yellower, with the veins not blackened or lightly ochreous on both wings.
FW spots 4 & 5 usually broadly overlapping the others & forms a continuous unbroken band in the male.
Underside with spots broadly overlapping & the veins not black.
Males.
https://3.bp.blogspot.com/-B2W0fVicLAM/TlfLl8yaSSI/AAAAAAAAEq4/2t883dpTHBk/s400/DSC1958-Potanthus-confucius.jpg
https://inaturalist-open-data.s3.amazonaws.com/photos/299716445/large.jpeg
https://www.inaturalist.org/observations/103448632
Sri Lanka.
https://c8.alamy.com/zooms/9/adaaa7920e9342b9a79d911ba07c7263/2arhhty.jpg


TL Seow; Cheers.

Yam Tim Wing
10-Oct-2023, 10:25 PM
Thank you so much, Dr Seow.