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Thread: ID help for Genus Metaemene

  1. #1
    Join Date
    Sep 2019
    Location
    Padang - West Sumatra - Indonesia
    Posts
    8

    Default ID help for Genus Metaemene

    Hello, i found this small moth 2 times (West Sumatra), really similar to M. collina from Borneo :
    https://www.projectnoah.org/spottings/13023135

    There is 1 species endemic to Sumatra : M. baliochraspedus, but i can't find any documentation about this species so i can't compare with the one i found. The only description of this species is in Heterocera. Collected in Korinchi, West Sumatra, by Messrs. H.C. Robinson and C. Boden Kloss J. Fed. Malay States Mus. 8 (3) : 107-139
    But i can't access this publication.

    obs 1 Metaemene sp1 obs1.jpg obs 2 metaemene sp1 obs2.jpg

    Cheers,
    Nad Rimba

  2. #2
    Join Date
    Nov 2010
    Location
    Malaysia
    Posts
    5,284

    Default

    This is way too difficult.

    Holloway in MoB part 13 (not available on line) state that apart from those mentioned in the book (Bornean spp) there is a baliochraspedus from Sumatra & atropunctata from JAva which may be conspecific. P. Malaysia have two unnamed spp.

    In other words in 2010(publication of article) there were only three known species in Sumatra namely, M. atrigutta, niasica & baliochraspedus.
    The first is widespread & the 2nd in Sundaland.

    Your images matched the description of M. niasica very well. The zone between the marginal spots & the postmedials have three pink patches & a small triangular one adjacent to the middle marginal spot.

    M. baliochraspedus was described by Rothschild in Journal of the Federated Malay States in 1920.
    It would be quite arduous to go to the National Museum, get the necessary permission to seek out this publication.

    Most of the species are alike .Even with the book on Borneo species it is hard to ID as much is dependant on the genitalia.
    For example in the link given below I think it is not M. collina but rather M. santubong.
    Holloway said of M. collina the pink patches in the respective zones tend to merge, ie they would have form two main broad pink bands.
    https://www.projectnoah.org/spottings/13023135

    TL Seow: CHeers.
    Last edited by Psyche; 09-Oct-2019 at 10:02 PM.

  3. #3
    Join Date
    Sep 2019
    Location
    Padang - West Sumatra - Indonesia
    Posts
    8

    Default

    Thanks Dr. Seow for all these specifications and for your help in identifying this moth
    Cheers
    Nad Rimba

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