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Thread: Ahropala identification and behaviour

  1. #1
    Join Date
    Dec 2016
    Location
    Thailand
    Posts
    318

    Default Ahropala identification and behaviour

    Images from Doi Inthanon, north Thailand, this week.

    Image 1, please can I have some help on the identification as I do not have other images resembling this one. Evergreen forest at 1,100 metres.

    Images 2 and 3, taken in lower Dipterocarp forest at about 500 metres. These I take to be Arhopala atrax. Does anyone know what behavior this is. There were at least 50 of them, all gathered on the same leaf. They were not feeding, nor appearing to be involved in any mating behavior. Communal roosting? (Although this was mid afternoon).

    Many thanks

    Image 1. Evergreen forest, 1,100 metres
    IMG_0765.JPG

    Image 2. Dipterocarp forest, 500 metres.
    IMG_0914.JPG

    Image 3. Same as image 2.
    IMG_0916.JPG

  2. #2
    Join Date
    Aug 2007
    Location
    Upper Changi
    Posts
    2,738

    Default

    1st is Arhopala bazalus teesta

    2nd is probably Arhopala asinarus. I'm not certain because i don't have my references with me atm. That is some interesting behaviour; i never knew lycaenids would congregate like that
    Aaron Soh

  3. #3
    Join Date
    Dec 2016
    Location
    Thailand
    Posts
    318

    Default

    Many thanks.
    Yes, I also never have seen this behavior.
    And yes, of course, I suddenly realize second one cannot be atrax as no tail.

  4. #4
    Join Date
    Nov 2010
    Location
    Malaysia
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    4,953

    Default

    2nd is Arhopala asopia.
    The markings are narrower & lighter, & the FW less pointy.
    https://www.ifoundbutterflies.org/sp...rhopala-asopia

    A. asinarus.
    https://www.thaibutterflies.com/wp-c...s-1080x720.jpg
    http://www.samuibutterflies.com/02_i.../underside.jpg


    TL Seow: Cheers.

  5. #5
    Join Date
    Dec 2016
    Location
    Thailand
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    318

    Default

    Many thanks.

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