Results 1 to 4 of 4

Thread: Common Rose gender

  1. #1
    Join Date
    May 2017
    Location
    Singapore
    Posts
    77

    Default Common Rose gender

    Dear Dr Seow, could you help to distinguish the gender of these 2 Common Rose? Butt A has rounder forewings and abdomen.



    A


    B

    Last edited by itsmemei; 20-Feb-2021 at 05:31 PM.
    Loh Mei Yee

  2. #2
    Join Date
    Nov 2010
    Location
    Malaysia
    Posts
    5,898

    Default

    Both are males.

    The two genders can sometimes be confusingly similar.

    Male Pachliopta.
    FW narrower with the termen (outer margin) straight.
    Abdominal end, last segment is triangular .This is the clasper.
    https://d2gg9evh47fn9z.cloudfront.ne...OX27028535.jpg
    http://thaibutterflies.com/wp-conten...e-1080x675.jpg
    http://www.butterflycircle.com/check...20-%20khew.jpg
    http://antropocene.it/wp-content/upl...ae-800x445.jpg


    Female Pachliopta
    FW broader with the termen( outer margin) rounded ( convex ).
    Abdominal end last segment is nearly rectangular, not triangular.
    https://ms.wikipedia.org/wiki/Atroph...W_IMG_8713.jpg
    http://www.butterflycircle.com/check...nny%20chir.jpg
    https://en.wikipedia.org/wiki/Pachli...nterposita.jpg
    https://commons.wikimedia.org/wiki/F..._butterfly.jpg


    There is some variation in the wingshape & some males have broader FWs, but the termen is always straight in the middle part.
    https://species.wikimedia.org/wiki/P...eMFUpUnAC1.jpg


    The male is much commoner.



    TL Seow: Cheers.

  3. #3
    Join Date
    Nov 2010
    Location
    Malaysia
    Posts
    5,898

    Default

    Both are males.

    The two genders can sometimes be confusingly similar.

    Male Pachliopta.
    FW narrower with the termen (outer margin) straight.
    Abdominal end, last segment is triangular .This is the clasper.
    https://d2gg9evh47fn9z.cloudfront.ne...OX27028535.jpg
    http://thaibutterflies.com/wp-conten...e-1080x675.jpg
    http://www.butterflycircle.com/check...20-%20khew.jpg
    http://antropocene.it/wp-content/upl...ae-800x445.jpg


    Female Pachliopta
    FW broader with the termen( outer margin) rounded ( convex ).
    Abdominal end last segment is nearly rectangular, not triangular.
    https://ms.wikipedia.org/wiki/Atroph...W_IMG_8713.jpg
    http://www.butterflycircle.com/check...nny%20chir.jpg
    https://en.wikipedia.org/wiki/Pachli...nterposita.jpg
    https://commons.wikimedia.org/wiki/F..._butterfly.jpg


    There is some variation in the wingshape & some males have broader FWs, but the termen is always straight in the middle part.
    https://species.wikimedia.org/wiki/P...eMFUpUnAC1.jpg


    The male is much commoner.



    TL Seow: Cheers.

  4. #4
    Join Date
    May 2017
    Location
    Singapore
    Posts
    77

    Default

    Thanks, Dr Seow!
    Loh Mei Yee

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Join us