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Thread: Potanthus ganda - confirmation of ID

  1. #1
    Join Date
    Dec 2016
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    Default Potanthus ganda - confirmation of ID

    Photographed at Doi Phu Kha, n Thailand.
    I identify this as Potanthus ganda. Would that be correct please?
    Thanks

    IMG_0269.JPG

    IMG_0272.JPG

    IMG_0276.JPG

  2. #2
    Join Date
    Nov 2010
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    Default

    It is not P. ganda .
    This should be P. confucius.

    In Potanthus the degree of overlaps of the band varies & on the underside the degree of black shading & spotting can varies very much. In dsf the underside is very light.

    P.ganda colour quite tawny, even described as reddish.
    Upperside: FW spots 4 & 5 not overlapping with subapical spots ;veins lightly dark on FW not on HW, ;HW without spot 6.
    Underside: FW spots 4 & 5 with little overlap with subapical spots; HW usually without spot 6; dark shading but no dark spot.
    Malaya & Singapore.
    https://2.bp.blogspot.com/-r1T4ajMPu...25286%2529.jpg
    http://4.bp.blogspot.com/-L3ew9ztkIk...thus-ganda.jpg
    http://3.bp.blogspot.com/-QZmu9xfHUG...Bunderside.jpg
    http://2.bp.blogspot.com/-6KehhAM8g1...us%2Bganda.jpg

    P. confucius dushta.
    Upperside yellower orange ;Band connected to subapical spots in a continuous manner without the veins darkened ; HW spot 6 variable.
    Underside : FW with the spots broadly overlapping; HW with spot 6; strongly dark spotted in wsf.
    Malaya & Thailand.
    http://alamshah.web.fc2.com/BFP52-62...7P7156304p.JPG
    http://www.samuibutterflies.com/inse...nfuciusdushta/
    https://wingscales.com/content/record/514-1-f6975.jpg


    TL Seow: Cheers.
    Last edited by Psyche; 17-Apr-2018 at 01:37 AM. Reason: typo

  3. #3
    Join Date
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    Default

    Many thanks for the explanation. I still have a lot to learn on these skippers - a major headache.

  4. #4
    Join Date
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    Default Revision.

    This is probably Potanthus mara.

    The underside does not match that of typical P. confucius.
    The upperside band also have very little overlap with apical(or subapical) spots.( Typically broad overlap in P. confucius.)
    Evans provide few information other than it is yellow & has a narrow streak in the FW cell, Unh usually continue into space 6; spot in space 7 absent or present; unh band defined by dark spots.

    Both the FW & HW bands are fairly straight comparatively here.
    If it is also called the Straight-banded Dart, than it is a fairly good match.
    https://www.thaibutterflies.com/Butt...otanthus-mara/

    Two similar males from India.Same individual.

    http://www.ifoundbutterflies.org/med...7cee7e8b-1.jpg
    http://www.ifoundbutterflies.org/med...7cee7e8b-2.jpg


    Correction: This 2nd individual should be P. sita, the Yellow & Black Dart.
    http://www.ifoundbutterflies.org/med...1055485c-2.jpg
    http://www.ifoundbutterflies.org/med...1055485c-1.jpg

    TL Seow: Cheers.
    PS. I am just trying too hard. Can't see much difference from P. confucius. All the features are within individual variations.

    PS2. This should be correctly P. mara. HK.
    The FW band is in a straight line from spot 5 down. (Compare your pix.); The abdominal end is black-banded.
    https://4.bp.blogspot.com/-j39S9stLg...nfucius%2B.jpg
    https://2.bp.blogspot.com/-w-J7Gf7JM...nfucius%2B.jpg
    Last edited by Psyche; 19-Apr-2018 at 08:15 PM. Reason: PS2

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