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Thread: Hesperiidae for ID

  1. #1
    Join Date
    Oct 2009
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    Default Hesperiidae for ID

    Dr Seow,

    I've got a few (mostly badly cropped) photos from this year and last year for ID.. I've attempted some of them but am unsure of the validity.
    I understand if some may be too difficult to ID from the poor-quality shots.

    Thanks!

    1) Burara etelka?





    2) Burara harisa?





    3) Potanthus serina?



    4) Caltoris sp.



    5) Caltoris sp.?



    6) Baoris sp.?
    cheers
    Jonathan
    http://nypsbluebottle.blogspot.com/
    --- nothing happens by coincidence - everything is DESTINY ---

  2. #2
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    Default

    1. Burara etelka is right.
    HW patch solid & placed close to the cellend veins.

    2. B harisa is right.
    HW patch streaky & placed some distance from the cellend cross veins.

    3. Potanthus serina is right.
    FW spot 5 smaller than spot 4; HW with a small spot 6 near inner end of band; marginal areas neatly orange brown with dark veins.
    Abdominal end always with a broad dark band.

    4. This is tricky. Should be female Caltoris cormasa.Worn.
    Note HW overlaid with rusty brown scales.
    FW with yellowish spots; Three subapical spots;
    Colouration can vary widely in pix.
    eg. C. cormasa
    http://1.bp.blogspot.com/-D4HzI6Ky3w...0/DSC_0286.JPG
    https://2.bp.blogspot.com/-1mxC9fmsG...C_field_02.jpg
    https://1.bp.blogspot.com/-8EbM65dWq...C_adult_03.jpg

    Baoris farri female ;HW without brown scale overlay.
    http://1.bp.blogspot.com/-x-06hY8OEZ...er_Hern_01.jpg

    Caltoris malaya female ;HW colour more ochreous ;FW spots whitish; subapical usually two.
    https://4.bp.blogspot.com/-j1Pq5mDim...M_adult_06.jpg

    Caltoris bromus female. HW often with two spots ; FW spots whitish, subapical usually 2.
    Female Taiwan
    http://img0.ph.126.net/pAg5pZhYqA8Xo...8117714504.jpg

    5. Typical female Caltoris cormasa.
    HW overlaid with reddish brown scales ;FW spots yellowish, subapical often 3.

    6. male Caltoris cormasa .Worn.
    HW overlaid with rusty red brown scales.

    Caltoris bromus Singapore male for comparison.
    http://s13.photobucket.com/user/Sunn...ebfd1.png.html


    TL Seow: Cheers.
    Last edited by Psyche; 22-Apr-2017 at 10:44 AM. Reason: ambiguous pic deleted.

  3. #3
    Join Date
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    Default

    Thanks Dr Seow for the IDs and reference links!

    Very interesting to read about the differences between the Caltoris species. Having the colour as an id indicator is quite subjective and I can see why pictures often cannot produce definitive ids for many hesperiids.
    cheers
    Jonathan
    http://nypsbluebottle.blogspot.com/
    --- nothing happens by coincidence - everything is DESTINY ---

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