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Thread: ID Help Dr Seow

  1. #1
    Join Date
    May 2004
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    Tampines
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    Default ID Help Dr Seow

    I shot this skipper in Pulau Ubin in Mar 2017. I'm confused which species it is as there are a few skippers that has no marking on the underside of the hind wings. Please help.
    20170304-UFO Skipper-PU.jpg
    Bob Cheong

  2. #2
    Join Date
    Nov 2010
    Location
    Malaysia
    Posts
    4,701

    Default

    Male Caltoris cormasa.

    The Caltoris can be confusing since much depend on the colouration.


    1. Caltoris cormasa: Rusty red brown underside ; UnF spots yellowish; usually 3 subapicals.
    Male, female.
    http://2.bp.blogspot.com/-TjKxWVHrQm...herHern_01.jpg
    http://3.bp.blogspot.com/-dg1jseJPJ2...0/DSC_0115.JPG

    2. Caltoris malaya.: Underside rusty brown, male ; ochreous brown in female. FW short, spots yellowish; subapicals usually two; antennal pale area poor.
    https://2.bp.blogspot.com/-WmnlNXMo6...M_adult_03.jpg
    https://4.bp.blogspot.com/-j1Pq5mDim...M_adult_06.jpg

    3. Caltoris bromus.Underside dark brown with ochreous overlay ; UnF spots white, subapicals usually two ;female often with 1- 2 spots in HW space 2 & 3.
    http://photobucket.com/gallery/user/...MS5wbmc=/?ref=
    Female here is from Taiwan.
    https://www.flickr.com/photos/53747735@N08/6191981927/

    4. Caltoris cahira :UnH dark chocolate brown ; UnF spots white, subapical usually two.
    https://www.thaibutterflies.com/wp-c...ris-cahira.jpg
    http://4.bp.blogspot.com/-7l1dr3n_gK...ris+bromus.jpg

    5. Caltoris philippina: Underside with greenish ochreous scales ; FW longer & sharper in male, spots yellowish.
    http://www.butterflycircle.com/check...ld_male_01.jpg
    Female : Note FW has no cellspot.
    http://4.bp.blogspot.com/-3m-dnKh43T...philippina.jpg
    http://1.bp.blogspot.com/-GX8SuhLKin...philippina.jpg


    The Baoris can be rather similar :FW more sinuous in shape; antennae pale area weak ;Male with a pale mark on HW cellend corresponding to the hair-tuft on the upperside.

    Baoris oceia :male & female.
    http://farm6.static.flickr.com/5091/...6cc0a7c68a.jpg
    http://4.bp.blogspot.com/-zofygsdg7G...oris+oceia.jpg

    Baoris farri male Underside paler brown.
    https://wingscales.com/content/record/98-1-f75cb.jpg


    TL Seow: Cheers.

  3. #3
    Join Date
    May 2004
    Location
    Tampines
    Posts
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    Default

    Thank you Dr Seow! These skippers are really hard to tell apart LOL.
    Bob Cheong

  4. #4
    Join Date
    Dec 2015
    Location
    Subang Jaya, Selangor
    Posts
    290

    Default

    Agree with you Bob! Iím clueless about them!

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