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Thread: Request for ID help Verification from Assam

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  1. #1
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    13.https://www.butterflycircle.com/atta...6&d=1737046540

    Hypomecis infixaria.
    https://www.butterflycircle.com/atta...6&d=1737046540
    https://www.mothsofindia.org/sites/m...502_267546.jpg


    If you blow up both images & compare all the spots and markings from the left FW inwards to the body & you will find they are quite matching.
    Last edited by Psyche; 19-Jan-2025 at 12:24 AM.

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  3. #3
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    15. https://www.butterflycircle.com/atta...8&d=1737046627

    Theretra clotho.


    Four species are very similar in appearance at rest.
    Look at the FW for the postmedial line.
    This line runs from the cFW tip to the lower margin.
    Then look for the antemedial line that is parallel to it
    This start from the costa downwards.



    Theretra alecto.
    HW deep pink (hidden)
    FW antemedial moderate/weak.
    FW postmedial line intact, not punctate (broken into spots)
    Abdomen no dorsal lines sometimes weakly.
    https://lh6.googleusercontent.com/pr...U-UjB73Upt4zZw
    https://tpittaway.tripod.com/china/t_ale.htm
    https://www.mothsofindia.org/sites/m...bc813e5e-2.jpg


    Theretra clotho.
    FW postmedial line entire as in alecto.
    FW antemedial line weak/obsolete.
    Some dark shading around black discal dot.
    HW dark blackish (hidden).
    Abdomen no dorsal lines.
    https://www.mothsofindia.org/sites/m...b4e2b87f-1.jpg
    https://tpittaway.tripod.com/china/t_clo.htm
    https://www.mothsofindia.org/sites/m...e77ac0f2-3.jpg


    Theretra boisduvalii.
    FW antemedial line weak/obsolete.
    FW postmedial line punctate, ie broken into a series of spots at each vein point.
    Abdomen no dorsal lines, sometimes faint
    https://www.mothsofindia.org/sites/m...938_258964.jpg
    https://tpittaway.tripod.com/china/t_boi_a2.jpg
    https://tpittaway.tripod.com/china/t_boi.htm



    Theretra lucasii.
    Smaller, FW deeper ie wider at the lower margin so that it is more triangular with straight outer margin.
    HW dark.
    FW antemedial line moderate.
    FW postmedial line punctate, broken into spots.
    Abdomen no dorsal lines.
    https://www.mothsofindia.org/sites/m...92da3c2c-2.jpg
    https://tpittaway.tripod.com/china/t_luc.htm
    https://inaturalist-open-data.s3.ama...9247/large.jpg
    https://www.mothsofindia.org/sites/m...d9a26ffa-3.jpg


    Theretra rhesus. (Light forms resemble T. alecto but greyer.)
    FW with ante & postmedial lines well-developed & heavier. Multiple lines visible
    Thorax & abdomen with two parallel dark lines.
    HW dark.
    https://bioquipbugs.com/wp-content/u...P-1H0565-1.jpg
    https://tpittaway.tripod.com/china/t_rhe.htm
    https://www.flickr.com/photos/botalex/3523066481



    Note many mis-IDS on the web.

    eg.

    1. T. rhesus .Multiple lines, abdomen with 2 parallel lines.
    Correction: correct as Theretra alecto .Pinkier brown.Faint lines on abdomen can be present
    T. rhesus also not known in India.
    https://www.mothsofindia.org/sites/m...0ef33afd-1.jpg
    In this image below the red HWs is a positive ID for T. alecto.
    https://www.gbif.org/occurrence/4924090007

    2. T. boisduvalii . FW wingshape not triangular. outer margin not straight.
    https://www.mothsofindia.org/sites/m...e7408887-3.jpg

    3. T. lucasii . Triangular FW with straight outer margin; FW postmedial line punctate.
    https://indiabiodiversity.org/observation/show/1830037
    Last edited by Psyche; 19-Jan-2025 at 08:19 PM.

  4. #4
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    16. https://www.butterflycircle.com/atta...9&d=1737046675

    Theretra nessus.
    Typically heavily brown in the costal zone with green on the costal edge.
    Postmedial zone also dark, the medial zone paler becoming whitish at the apical costa.
    Body also with green shading.
    https://www.mothsofindia.org/sites/m...fe50e787-1.jpg
    https://tpittaway.tripod.com/china/t_nes.htm




    17. https://www.butterflycircle.com/atta...0&d=1737046718

    Urapteroides astheniata.
    https://www.mothsofborneo.com/part-8...niinae_2_1.php
    There appear to be a single widespread continental species.
    https://www.mothsofindia.org/sites/m...c81dbd0f-1.jpg



    TL Seow; Cheers.

  5. #5
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    Thank you so much for your invaluable help in identifying the moth species and for sharing the ID keys. Your guidance has been incredibly helpful, and I am deeply grateful for your time and effort in assisting me with my research. I am posting here some more species for your review, some i could not even come to a definite conclusion. So can you please help me out in confirming their identity followed by the definite keys.

    18. Amblychia nimia? Same individual.

    Amblychia nimia 1.jpg Amblychia nimia 2.jpg



    19. Tephriopsis divulsa?

    Tephriopsis divulsa.jpg



    20. Acropteris striataria?

    Acropteris striataria.jpg



    21. Tetragonus catamitus?

    Tetragonus catamitus.jpg



    22. Pycnarmon cribrata? Different individuals

    (a) Pycnarmon cribrata 1.jpg (b) Pycnarmon cribrata 2.jpg



    23. No conclusion.

    DSC_3124.jpg



    24. Same individual. So unique in appearence

    DSC_3102.jpg DSC_3209.jpg



    25. Could not drawn any conclusion. Perhaps from Sterrhinae sub-family (Geometridae)

    DSC_3139.jpg



    26. So many similar looking species.

    DSC_3106.jpg



    27. Very confusing.

    DSC_3130.jpg



    28. So confusing.

    DSC_3159.jpg



    Saffron: Cheers

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