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Thread: ID request: Common caerulean

  1. #1
    Join Date
    Jul 2023
    Location
    Singapore
    Posts
    30

    Default ID request: Common caerulean

    Dear Dr Seow,
    May I know if both images below are Common Caerulean? Took at Ulu Sembawang.
    Thank you.
    Tim
    Attached Images Attached Images

  2. #2
    Join Date
    Nov 2010
    Location
    Malaysia
    Posts
    6,805

    Default

    Yes. Both are Jamides celeno male.

    Jamides celeno is very common & the male often has rounded FW like the female.

    Male upperside with a FW black border that increases in width to the apex.
    Underside with margins of bands mostly straight .
    Female with upperside HW space 6 & 7 dark shaded.
    http://yutaka.it-n.jp/lyc4/81050010.html
    Male.
    https://butterflycircle.blogspot.com...caerulean.html
    Female.
    https://4.bp.blogspot.com/-vuhFr3ov2...lt_Mark_01.jpg


    The 2nd similar species is very rare but easily confused.
    Jamides pura.
    Male upperside FW with black border a thread.
    Underside HW black tornal spot more often with long silvery side bars.
    Female HW upperside only space 7 dark-shaded.
    Female underside FW submarginal band lunulate ie the spots are moon-shaped.
    http://yutaka.it-n.jp/lyc4/81060001.html
    Male.
    https://www.ifoundbutterflies.org/si...es/a-29242.jpg
    https://www.ifoundbutterflies.org/si...es/a-29243.jpg
    P. Malaysia.
    http://1.bp.blogspot.com/-1cdTLzHI39...0/DSC_0122.JPG
    This 2nd male below have FW submarginal spots more lunulate; also strong HW silvery bars on the black spot.
    https://www.pbase.com/lcgoh/image/85434460
    Female.
    https://www.ifoundbutterflies.org/si...es/a-29244.jpg
    https://www.ifoundbutterflies.org/si...es/a-29245.jpg

    One valid observation.
    Note male upperside FW black border is virtually a thread.
    https://www.inaturalist.org/observations/132521174

    There used to be a female image showing all the Fw submarginal spots lunulate (moon-shaped) now lost.


    TL Seow; Cheers.
    Last edited by Psyche; 28-Aug-2023 at 08:28 AM.

  3. #3
    Join Date
    Jul 2023
    Location
    Singapore
    Posts
    30

    Default

    Thank you, Dr Seow.

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