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Thread: Euploea eyndhovii or Euploea doubledayi

  1. #1
    Join Date
    Dec 2016
    Location
    Thailand
    Posts
    81

    Default Euploea eyndhovii or Euploea doubledayi

    The attatched was photographed in Yala, southern Thailand and would appear to be Euploea eyndhovii, although this is supposed to be rarer in Thailand and I have no images of this species. However there are contradictory statements about which species in more common.

    Would this photo be Euploea eyndhovii or Euploea doubledayi? Or impossible to say?

    With thanks

    b1250 Lesser Striped Black Crow (Euploea eyndhovii gardineri) - Iyenweng 01.JPG

  2. #2
    Join Date
    Nov 2010
    Location
    Malaysia
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    4,347

    Default

    it is impossible to be certain based on the underside alone.
    The two were basically the continental & Sundanian representatives of a single species.
    When Malaya (part of Sundaland) joined the mainland E. eyndhovii moves north into peninsular Thailand & E. doubledayi south into the northern half of Malaya.
    As Yala is part of Sundaland it is probable E. eyndhovii is the commoner there.

    E. doubledayi : Larger FW darker ,often blue black, Female always with a few central spots .
    Umderside HW stripes usually broader, HW central spots many if stripes large ; few if stripes smaller & shorter.
    http://wingscales.com/content/record/2508-1-9bc82.jpg
    http://www.ifoundbutterflies.org/med...gale_ah162.jpg
    http://www.samuibutterflies.com/02_i...doubledayi.jpg
    http://malaysiabutterflies.myspecies...s/IMG_0483.JPG

    E. eyndhovii; smaller ofteb rather so, FW male blackish brown, female upperside FW unspotted. HW central spots usually many ,variable.
    Singapore have only E eyndhovii.
    http://butterflycircle.blogspot.my/2...mber-2016.html

    This looks like it should be E. eyndhovii.

    TL Seow: Cheers.

  3. #3
    Join Date
    Dec 2016
    Location
    Thailand
    Posts
    81

    Default

    Thanks. E. eyndhovii was my feeling based on the width of the underside stripes, but as you say variable when looking at images across the web.

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