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Thread: ID help needed (13 Oct 2021)

  1. #1
    Join Date
    Mar 2008
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    Seng Kang
    Posts
    1,631

    Default ID help needed (13 Oct 2021)

    Dear Dr Seow,
    Pls help with the following ids for members, thanks!

    #1
    S19.jpg

    #2
    S20.jpg
    Cher Hern

  2. #2
    Join Date
    Nov 2010
    Location
    Malaysia
    Posts
    6,060

    Default

    1. Male Nacaduba berenice icena. Fairly typical.


    The two smaller 8line blues have the dark striae strong in the male.

    N. berenice icena is very variable.
    FW postdiscal band typically dislocated in the middle, angulated or crooked.
    Submarginal spots various shape, FW submarginal spots 4 & 5 if pointed then low or blunt.
    http://www.butterflycircle.com/check...drick%20Ho.jpg
    http://www.butterflycircle.com/check...obby%20Mun.jpg
    http://www.butterflycircle.com/check...ce_male_01.jpg


    N. calauria malayica.
    FW postdiscal band almost always straight although some slight crookedness may be present.
    FW submarginal spots 4 & 5 always sharp pointed, triangular with straight sides.
    https://wanderingbutterflyeffect.fil...b3ad98860e.jpg
    https://live.staticflickr.com/5645/2...8fab0615_b.jpg
    Male left.
    http://www.butterflycircle.com/check...llen%20Tan.JPG



    The two larger species have the males with the dark striae weak or obsolete. Margins are straighter.

    N. kurava nemana
    FW postdiscal band typically straight ,sometimes with a slight dislocation/
    FW submarginal spots usually large with rounded margins or corners.
    http://www.butterflycircle.com/check...Blue-FooJL.JPG
    https://2.bp.blogspot.com/-soqaLycfy...neBlue-KSK.JPG
    http://www.butterflycircle.com/check...ue-SunnyC2.JPG


    N. beroe neon
    FW costal spot above the mid cell (innermost) band absent.
    FW postdiscal band typically broken in the middle, but may be variously dislocated.
    https://wanderingbutterflyeffect.fil...f39fce860b.jpg
    https://live.staticflickr.com/6206/6...c1ec7391_b.jpg
    http://www.butterflycircle.com/check...lt_male_01.jpg


    Ionolyce helico also lacks the inner costal spot as in N. beroe.
    Some examples are confusingly similar to N. beroe.

    N. beroe looking like I. helicon,
    Lowest spot of the FW postdiscal band not shifted in.
    The HW submarginal spots in space 3 & 4 above the black spot are lunulate (crescent moons)
    http://4.bp.blogspot.com/-H03HQ8Y2p8...2B-%2B0609.jpg


    Ionolyce helicon resembling N. beroe.
    Lowest spot of FW band shifted in.
    HW submarginal spots 3 & 4 are chevrons, ie V-shaped.
    http://www.butterflycircle.com/check...0Ben%20Jin.jpg
    https://static.inaturalist.org/photo...peg?1557411808
    Last edited by Psyche; 14-Oct-2021 at 07:49 AM.

  3. #3
    Join Date
    Nov 2010
    Location
    Malaysia
    Posts
    6,060

    Default

    2. Borbo cinnara.
    There is no HW cellspot & the postdiscal spots are 2, 3, & 6.
    The antennal club are thicker, more stubby than in Pelopidas.
    http://www.butterflycircle.com/check..._female_01.jpg
    http://2.bp.blogspot.com/-KaVjdL_FAM...lt_Khew_01.jpg




    TL Seow: Cheers.

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