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Thread: ID help with this Skipper please

  1. #1
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    Default ID help with this Skipper please

    Are both of these Potanthus serina? The veins are not darkened, forewing spot in space 5 post-discal band not completely dislocated; dusted black underneath in picture 1

    1.

    2.

  2. #2
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    Unhappy

    These are two different individual as spot 8 (topmost of the 3 subapical spots) is larger in pix 2.

    1. Potanthus omaha male ;abdominal end yellow; HW upperside with the veins dark. Correction; this is for Pix 2.

    2. Potanthus ganda male : Underside veins barely darkened ;heavier HW dark shading centrally & edging the band. Correction; This is for Pix 1.

    In the past These two species cause a lot of confusion because of great individual variation in the amount of vein darkening.
    The abdominal end in both species is yellow in the males & lightly dark-dusted above in the females.

    P.omaha :FW12mm.; Upperside with HW veins across band variably dark-dusted; Underside veins also darkkened ; lightly shaded & band not edged with dark shaded spots in the male (a little so in the female ); ochreous.
    Upperside male.
    https://www.nss.org.sg/gallery_image...107_resize.jpg
    Underside. males ; note barely any dark edgings to the band ;veins are distinctly dark.
    http://www.butterflycircle.com/check...drick%20Ho.jpg
    http://www.butterflycircle.com/check...se_site_01.jpg
    https://www.thaibutterflies.com/wp-c...a-1080x675.jpg
    females.
    http://4.bp.blogspot.com/-4O8gFkmT2t...28TBC%2529.jpg
    http://4.bp.blogspot.com/-MF0Ou8Bsf6...0/DSC_0189.JPG


    P. ganda FW 13mm.;.Upperside HW veins not dark or barely :Underside veins not dark or lightly so; Heavy dark shading & HW band edged with diffuse dark spots; orangey.
    Upperside male.
    http://www.natureloveyou.sg/Minibeas...796%20(11).JPG
    Males.
    http://4.bp.blogspot.com/-L3ew9ztkIk...thus-ganda.jpg
    females.
    https://3.bp.blogspot.com/-e_HuBihng..._underside.jpg
    http://i66.tinypic.com/6irw9z.jpg

    P. serina large FW 16-17mm. FW spot 5 smaller than spot 4; veins generally not dark . Underside lightly shaded dark ; small spot 6 at inner corner of band; abdominal end black banded in male, with dark patch in female.
    female.
    http://3.bp.blogspot.com/-I9rwXFooJp...tanthus-up.jpg
    http://www.butterflycircle.com/check...ale_Horace.jpg
    Male.
    http://www.butterflycircle.com/check...serina-KSK.jpg

    TL Seow: Cheers.
    Last edited by Psyche; 24-Jan-2018 at 05:44 AM. Reason: Pix mixed-up

  3. #3
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    Default

    Thank you, Dr Seow! I thought I had it ID’d!

  4. #4
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    Default

    I have another shot of a third individual and this looks more like a Potanthus omaha.


  5. #5
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    Default

    Post 3.

    Potanthus ganda male.
    The veins across the HW band are not darkened.


    TL Seow: Cheers.

    PS: ID Corretion: This is likely to be Potanthus mingo. There appeared to be a black band/patch at the abdominal end, & the lower margin of the HW band is strongly notched.

    Note the lower margin of the HW band is only slightly notched, & the abdominal end is yellow in P. ganda.
    http://www.natureloveyou.sg/Minibeas...796%20(11).JPG

    P. mingo : Note HW band outer margin strongly excavated.
    http://3.bp.blogspot.com/-f3wB2A2ujB...0/_MG_1531.jpg
    Last edited by Psyche; 23-Jan-2018 at 11:14 PM. Reason: PS

  6. #6
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    Default Images mixed-up.

    Post 1.

    Pix 1 with the underside is that of Potanthus ganda.

    Pix 2 showing the partial upperside is that of Potanthus omaha.


    TL Seow: Cheers.

  7. #7
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    Default

    Thanks, Dr Seow. These Potanthus are a challenge!

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