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Thread: UFO in CCA

  1. #1
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    Default UFO in CCA

    Shot this UFO butt which resembled a Common/Dark Posy at first sight.
    At first I thought damages to its hindwings had caused the dark appearance, but a closer examination on camera LCD showed that this was not the case.

    The butt remained on high perches throughout and very alert to any closer approach. In the end all I managed are distant shots affected by handshake and wing-induced blurs.
    The two pics are cropped from the originals, and showed both left and right sides of the wings.

    Any idea of its species ID?

    Horace
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  2. #2
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    Default



    Wah Piang ! Looks like a new species!

    Very unique fore and hind wing markings, nothing resemble it in the checklist!


    Likely to be Drupadia ...


    Sunny

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

    Sunny's Facebook on Butterflies!

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  3. #3
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    Quote Originally Posted by Silverstreak View Post


    Wah Piang ! Looks like a new species!

    Very unique fore and hind wing markings, nothing resemble it in the checklist!


    Likely to be Drupadia ...


    Right now, I do not have access to C&P4. Can this species be found in your copy of C&P4?

    Horace

  4. #4
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    Horace,

    Thumbing thru CP cannot find any to match those marking on the fore wing and that dark patch on the hind wing!


    Quote Originally Posted by horace2264 View Post
    Right now, I do not have access to C&P4. Can this species be found in your copy of C&P4?

    Horace
    Sunny

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

    Sunny's Facebook on Butterflies!

    ~

  5. #5
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    Quote Originally Posted by Silverstreak View Post
    Horace,

    Thumbing thru CP cannot find any to match that dark patch on the hidn wing!
    Thanks, Sunny for checking C&P4. Looks like we have to look at other sources for its ID.


    Horace

  6. #6
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    You've shot what is most likely an aberration of a Dark Posy. Though it occurs in nature, aberrations are relatively rare, where in the process of metamorphosis, something goes wrong and the butterfly turns out looking quite different from its usual appearance.

    Some years ago, Steven Neo captured an aberrant Peacock Royal on Tekong Island. It had both of us what the heck it was, and were excited about discovering a new species. When I sent the picture to Col John Eliot, he identified it as an aberrant individual.

    Now, if only one of us will one day be able to shoot a gynandromorph in Singapore!
    Khew SK
    Butterflies of Singapore BLOG
    Try not. Do, or do not. There is no try

  7. #7
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    I have never seen this before at CCA. Well captured, Horace.
    Quite a pristine specimen and my first impression is that the shape of the wings looks a bit different also.

  8. #8
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    Quote Originally Posted by Peacock Royal View Post
    I have never seen this before at CCA. Well captured, Horace.
    Quite a pristine specimen and my first impression is that the shape of the wings looks a bit different also.
    Thanks, Federick. As Khew pointed out, this could be an aberrant Dark Posy.

    Horace

  9. #9
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    Quote Originally Posted by Commander View Post
    You've shot what is most likely an aberration of a Dark Posy. Though it occurs in nature, aberrations are relatively rare, where in the process of metamorphosis, something goes wrong and the butterfly turns out looking quite different from its usual appearance.
    I agree that there is a very good chance this specimen is an aberration of a Dark Posy. Both Sunny and me have sighted Dark Posy at this particular location.

    Horace

  10. #10
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    One of the clues, according to the late Col Eliot, of an aberration, is that they are quite often asymmetrical. Your specimen displays such an attribute.

    Fortunately you managed to shoot both the left and right sides. Note that in the majority of normal butts, the left and right sides of the wings are generally "mirror-imaged". In your specimen, the white patches on the hindwings are obviously different on the two sides.
    Khew SK
    Butterflies of Singapore BLOG
    Try not. Do, or do not. There is no try

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