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Thread: ID request: Potanthus ganda? Ulu Sembawang

  1. #1
    Join Date
    Jul 2023
    Location
    Singapore
    Posts
    30

    Default ID request: Potanthus ganda? Ulu Sembawang

    Dear Dr Seow,

    May I know if the attached is Potanthus ganda?

    Thank you.

    Tim
    Attached Images Attached Images

  2. #2
    Join Date
    Nov 2010
    Location
    Malaysia
    Posts
    7,340

    Default

    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/check...se_site_02.jpg
    https://inaturalist-open-data.s3.ama...672/large.jpeg
    http://www.butterflycircle.com/check...obby%20Mun.jpg
    https://4.bp.blogspot.com/-263fUWsG-...48-p-omaha.jpg
    Females.
    https://inaturalist-open-data.s3.ama...059/large.jpeg
    https://inaturalist-open-data.s3.ama...2949/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/-6KehhAM8g...us%2Bganda.jpg
    https://inaturalist-open-data.s3.ama...032/large.jpeg
    https://inaturalist-open-data.s3.ama...069/large.jpeg
    Females.
    http://www.butterflycircle.com/check...rt-HoraceT.jpg
    https://inaturalist-open-data.s3.ama...6877/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/-B2W0fVicL...-confucius.jpg
    https://inaturalist-open-data.s3.ama...445/large.jpeg
    https://www.inaturalist.org/observations/103448632
    Sri Lanka.
    https://c8.alamy.com/zooms/9/adaaa79...63/2arhhty.jpg


    TL Seow; Cheers.
    Last edited by Psyche; 10-Oct-2023 at 08:48 PM.

  3. #3
    Join Date
    Jul 2023
    Location
    Singapore
    Posts
    30

    Default

    Thank you so much, Dr Seow.

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