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Thread: Request for ID: Potanthus rectifisciatus ?

  1. #1
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    Default Request for ID: Potanthus rectifisciatus ?

    Dr. Seow ,

    Your kind assistance please !

    Ray Cannon shot this at Doi Sutep Pui NP, Chiang Mai, Thailand, on Wednesday, 1 November 2017.

    He suspects this might be the Potanthus rectifisciatus

    My comments were :

    Two of the Potanthus that lack UPH spot 7 in Thailand are P. rectifasiatus and P. pamela and both have brand running from vein 1b to 4.

    Description from Butterflies of the Malay Peninsula on P. rectifasciatus :


    The narrow and deeply excavated post-discal band on the forewing is composed of spots with the outer edges in line in both sexes.

    The hindwing post discal band is distinctive in lacking the usual spots 7 on the upper surface.

    The male of this species and of the much rarer P. pamela has a discal stigma running from vein 1b to 4 on the forewing above.

    The only problem I have with the posted specimen is the UPF post-discal band are not deeply excavated on the outer edges and the lack of a tiny spot 6 normally conjoined with spot 5 on the UNH .

    This could very well be a Potanthus pamela than a
    Potanthus rectifiasiatus.

    There are also two Telicotas that have similar characteristic as exhibited in this specimen, namely :

    Telicota ohara ( male )

    Telicota linna

    2-21-2018-9-45-08-PM-Jpg.jpg

    2-21-2018-9-44-00-PM--jpg.jpg

    Sunny

    ~~When the Going Gets Tough, the Tough Get Going~~

    Sunny's Facebook on Butterflies!

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  2. #2
    Join Date
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    Default

    I presume the two pix are of one skipper.
    It is a male Telicota linna.
    FW base of space 2 is black thus excluding T. colon, augias & besta.

    There is a straight thick grey brand from vein 1b to vein 4 (same for all Telicota)

    T. linna large spp. FW 18-19mm.brand thicker , straight ; FW spots form a comparatively narrow band.
    http://2.bp.blogspot.com/-wU0gNp51E3...Horace-Tan.jpg

    T. bambusae smaller, FW 14-15mm. Brand thicker & straight ; FW short & spots in space 1b, 2 & 3 comparatively broad.
    http://www.flutters.org/home/photoga...hish-tiple.jpg

    T. ohara large FW 19-20 mm. FW brand very narrow & straight.
    http://dearlep.tw/images/Papilionoid...E9%9B%84_1.jpg

    P. rectifasciatus FW spots almost in a straight line (less so on the Un.) FW brand obscure but hugging inner margin of spot 1b ,2, & 3
    HW with a large spot 6. UnHW with spot 6 & 7 prominent.
    Example from Cambodia .(Malayan examples with smaller markings)
    https://farm5.static.flickr.com/4585...39db4bb7_b.jpg
    https://farm5.static.flickr.com/4583...e59687f5_b.jpg
    https://farm5.static.flickr.com/4563...0759b8dd_b.jpg

    P. pamela Upperside similar to P. rectifasciatus.
    Un.HW with spot 7 rather vaque.
    This female below has been set & shown to be P. pamela.
    (Correction:This example is probably just a female P. rectifasciatus with light markings UnHW spot 7 is not obscure.)
    http://nlliew66butterflies.blogspot....ela-evans.html


    TL Seow: Cheers.
    Last edited by Psyche; 22-Feb-2018 at 05:49 AM. Reason: ID correction

  3. #3
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    Default

    Much appreciated Dr Seow wishing you a Prosperous and Healthy 2018 !
    Sunny

    ~~When the Going Gets Tough, the Tough Get Going~~

    Sunny's Facebook on Butterflies!

    ~

  4. #4
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    Default

    Same to you ,Sunny.

    TL Seow: Cheers.

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