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Thread: Butterflies of Vietnam

  1. #11
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    Stichophthalma suffusa tonkiniana.
    #34. https://www.inaturalist.org/observations/216452809
    #35. https://www.inaturalist.org/observations/216452807
    #36. https://www.inaturalist.org/observations/216452807
    #37. https://www.inaturalist.org/observations/216333098
    #38. https://www.inaturalist.org/observations/216333095
    Also include the rest from # 39 to # 47. Correction : # 46 & 47 are S. fruhstorferi.


    Two species are very similar on the underside.
    They usually have a complete set of ocelli though spot 3 on both wings may be weak.

    S. mathilda .
    HW submarginal spots large ,inner margins often crenate, coloured orange to red-brown.
    Ssp in Vietnam is mathilda.
    https://yutaka.it-n.jp/ama/50290020.html
    As S. louisa mathilda.
    https://www.flickr.com/photos/angiud...n/photostream/


    S. suffusa tonkiniana.
    UpH submarginal spots merged with the marginal spots.
    UnH submarginal spots narrow ,grey brown as the marginal spots.
    https://yutaka.it-n.jp/ama/50220010.html
    https://butterfliesvietnam.blogspot....onkiniana.html


    TL Seow; Cheers.
    Last edited by Psyche; 09-Jun-2024 at 12:27 AM.

  2. #12
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    Quote Originally Posted by Psyche View Post
    Stichophthalma suffusa tonkiniana.
    #34. https://www.inaturalist.org/observations/216452809
    #35. https://www.inaturalist.org/observations/216452807
    #36. https://www.inaturalist.org/observations/216452807
    #37. https://www.inaturalist.org/observations/216333098
    #38. https://www.inaturalist.org/observations/216333095
    Also include the rest from # 39 to # 47.


    Two species are very similar on the underside.
    They usually have a complete set of ocelli though spot 3 on both wings may be weak.

    S. mathilda .
    HW submarginal spots large ,inner margins often crenate, coloured orange to red-brown.
    Ssp in Vietnam is mathilda.
    https://yutaka.it-n.jp/ama/50290020.html
    As S. louisa mathilda.
    https://www.flickr.com/photos/angiud...n/photostream/


    S. suffusa tonkiniana.
    UpH submarginal spots merged with the marginal spots.
    UnH submarginal spots narrow ,grey brown as the marginal spots.
    https://yutaka.it-n.jp/ama/50220010.html
    https://butterfliesvietnam.blogspot....onkiniana.html


    TL Seow; Cheers.
    Thanks Doctor Seow for your comments!
    Would 46 and 47 be S.fruhstorferi base on your comments??

    and is there any possible other halpe species in https://www.inaturalist.org/observations/216324212
    I note the other halpe elana photos seems rather to have a more uniform white zigzag band compared to mine
    Zick Soh

  3. #13
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    Quote Originally Posted by Zicky View Post
    Thanks Doctor Seow for your comments!
    Would 46 and 47 be S.fruhstorferi base on your comments??

    and is there any possible other halpe species in https://www.inaturalist.org/observations/216324212
    I note the other halpe elana photos seems rather to have a more uniform white zigzag band compared to mine
    Your are right.
    # 46 & # 47 are both S. fruhstorferi.
    https://www.inaturalist.org/observations/216324195
    https://www.inaturalist.org/observations/216452810

    I did click them both to put aside but forgot about them.

  4. #14
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    # 21.https://www.inaturalist.org/observations/216324212

    This should be correct as Halpe elana. Correction: Halpe zola.

    I have check through all the Halpe species present in Indochina.
    Only five species have a typical band ie H. zema, zola, zinda , ormenes, & elana.

    Halpe ormenes. UnH band ( often white )with both margins regular.( Not found in vietnam)
    https://yutaka.it-n.jp/hes/91260010.html

    Halpe zema. Band yellow; Outer margin of HW band in space 2 &3 sharply deep serrated. Band usually fall short of touching the costa.
    https://yutaka.it-n.jp/hes/91250001.html

    Halpe zola. Band yellow; outer margin in space 3 retain the sharp point ;in space 2 the outer margin is blunted.
    HW band often reaches the costal margin.
    https://yutaka.it-n.jp/hes/91270001.html
    https://thaibutterflies.com/wp-conte...Halpe-zola.jpg


    Halpe zinda. UnH outer margins of whitish band in space 2 & 3 not deep serrated ,but irregularly fringed or with slight offset dentitions along veins 2 & 3.
    (Not in Vietnam.)
    https://yutaka.it-n.jp/hes/91253010.html
    https://inaturalist-open-data.s3.ama...158/medium.jpg

    Halpe elana; UnH band yellowish ,typically narrower; outer margin of band in space 2 & 3 blunted.
    https://yutaka.it-n.jp/hes/91280001.html
    https://wingscales.com/Hesperiidae/Halpe-elana


    # 21 . Although it looks somewhat like the male Halpe zema at Mae Hong Son, have the band in space 2 & 3 blunted, not serrated.
    https://yutaka.it-n.jp/hes/91250001.html

    The sharp serrations in space 2 & 3 ,of the band's outer margins in Halpe zema is a consistant feature.
    https://thaibutterflies.com/Butterflies/halpe-zema/
    https://en.wikipedia.org/wiki/Halpe_...e_DSC_1917.jpg
    https://www.ifoundbutterflies.org/si...unte_ah998.jpg


    TL Seow: Cheers.
    Last edited by Psyche; 09-Jun-2024 at 04:09 PM.

  5. #15
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    correction.

    #21. https://www.inaturalist.org/observations/216324212

    Halpe zola.


    Halpe elana has not been recorded from Vietnam.
    https://bugs-alive.blogspot.com/2018...checklist.html
    https://yutaka.it-n.jp/hes/91280001.html
    The band in H. elana is always narrow & its inner margin regular.

    In Halpe zola the band is rather variable & irregular.

    This image is close to the male at Sa Kaeo.
    https://yutaka.it-n.jp/hes/91270001.html

    TL Seow; Cheers.

  6. #16
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    Quote Originally Posted by Psyche View Post
    correction.

    #21. https://www.inaturalist.org/observations/216324212

    Halpe zola.


    Halpe elana has not been recorded from Vietnam.
    https://bugs-alive.blogspot.com/2018...checklist.html
    https://yutaka.it-n.jp/hes/91280001.html
    The band in H. elana is always narrow & its inner margin regular.

    In Halpe zola the band is rather variable & irregular.

    This image is close to the male at Sa Kaeo.
    https://yutaka.it-n.jp/hes/91270001.html

    TL Seow; Cheers.
    Thanks Doctor Seow! See more similarity here
    Zick Soh

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