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Thread: Id need Scrutiny

  1. #1
    Join Date
    Apr 2016
    Location
    Sivasagar
    Posts
    73

    Default Id need Scrutiny

    Dear Dr. Seow sir....I hope you are healthy and fine....I cannot determine whether the following species is Stimula swinhoei or Ancistroides nigrita...There is another similar looking species Apostictopterus fuliginosus...Your valuable guidance will help me identifying these three similar looking species in my future expeditions. The post is from Meghalaya, India.

    Thank you in advance
    Cheers


    Upperr side

    DSC_3536.jpg

    Under side

    DSC_3532.jpg

  2. #2
    Join Date
    Nov 2010
    Location
    Malaysia
    Posts
    5,488

    Default

    Ancistroides nigrita.
    The wingshape is rather distorted in the first pic.


    A. nigrita.
    Underside with a pale fascia along the marginal third of the both wings.
    https://www.ifoundbutterflies.org/me...unte_ai453.jpg
    https://thaibutterflies.com/wp-conte...es-nigrita.jpg

    Stimula swinhoei.
    UnF with the marginal third paler; A large pale area on the dorsum(lower margin) hidden from view ; UnH nearly uniformly dark brown.
    https://thaibutterflies.com/project_...mula-swinhoei/
    https://www.ifoundbutterflies.org/sp...imula-swinhoei

    Apostictopterus fuliginosus.
    Wings elongate .Underside uniformly dark brown.
    https://www.ifoundbutterflies.org/sp...us-fuliginosus

    TL Seow: Cheers.

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