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Thread: ID help- arhopala

  1. #1
    Join Date
    Aug 2020
    Location
    singapore
    Posts
    24

    Default ID help- arhopala

    Dr Seow,

    Request ID help for this taken at USR , Singapore.

    I have only one upperside shot and underside markings looked not darker than the ground colour. Upperside has a border .

    Could this be atosia malayana or pseudomuta or something else?

    Is it feasible to ID with upperview shot ?

    Thanks
    Ramesh
    Attached Images Attached Images

  2. #2
    Join Date
    Nov 2010
    Location
    Malaysia
    Posts
    5,694

    Default

    It is almost impossible to ID based on the upperside alone except in a few cases like A. metamuta which have contrasting FW/HW colour.

    Colour change very much in photos.

    If you know it is large then you can narrow it down to 4 species in Singapore, A. centaurus, silhetensis, athada & aedias.
    Then it would be A. athada as this have a broader brown border, the others have it a thread.
    https://ms.wikipedia.org/wiki/Arhopa...thadaMUpUn.jpg

    A. athada is common in Singapore & so it is likely to be this species.

    A. atosia have the FW border a thread & a circular disc of specialised scales.
    https://en.wikipedia.org/wiki/Arhopa...aMFUpUnAC1.jpg

    A. pseudomuta have the FW border narrower.
    https://species.wikimedia.org/wiki/A...aMFUpUnAC1.jpg


    TL Seow: Cheers.

  3. #3
    Join Date
    Aug 2020
    Location
    singapore
    Posts
    24

    Default

    Thanks Dr.Seow

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