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Thread: ID request - Butterflies of Penang - Yan, Kedah - Taiping, Perak - January 2024

  1. #1
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    Default ID request - Butterflies of Penang - Yan, Kedah - Taiping, Perak - January 2024

    Hi Dr Seow,
    Request your kind help to id these species. Thank you.

    #1
    Euploea? Location: Bayan Baru township, Penang Island - Jan 31, 24
    https://www.inaturalist.org/observations/198051521

    #2
    Rapala? Location: Hutan Lipur Titi Hanyun, near Yan, Kedah - Jan 28, 24
    https://www.inaturalist.org/observations/198112757

    #3
    Allotinus? Location: Sungai Sedim, Kedah - Jan 30, 24
    https://www.inaturalist.org/observations/198069467

    #4
    Skipper? Location: Sungai Sedim, Kedah - Jan 30, 24
    https://www.inaturalist.org/observations/198021011

    #5
    Skipper? Location: Sungai Sedim, Kedah - Jan 30, 24
    https://www.inaturalist.org/observations/198051281

    #6
    Arhopala? Location: Sungai Sedim, Kedah - Jan 30, 24
    https://www.inaturalist.org/observations/198051271

    #7
    Arhopala? Location: Sungai Sedim, Kedah - Jan 30, 24
    https://www.inaturalist.org/observations/198051261

    #8
    Athyma nefte subrata?? Location: Sungai Sedim, Kedah - Jan 30, 24
    https://www.inaturalist.org/observations/197990775

    #9
    Flash? Location: Taman Eko-Rimba Batu Hampar, near Yan, Kedah - Jan 28, 24
    https://www.inaturalist.org/observations/197853370

    #10
    Miletus? Location: Hutan Lipur Titi Hanyun, near Yan, Kedah - Jan 28, 24
    https://www.inaturalist.org/observations/197839011

    #11
    Parnara? Location: Hutan Lipur Titi Hanyun, near Yan, Kedah - Jan 28, 24
    https://www.inaturalist.org/observations/197838984

    #12
    Grass Skipper? Location: Hutan Lipur Titi Hanyun, near Yan, Kedah - Jan 28, 24
    https://www.inaturalist.org/observations/197838986

    #13
    Grass Skipper? Location: Hutan Lipur Titi Hanyun, near Yan, Kedah - Jan 28, 24
    https://www.inaturalist.org/observations/197838978


    #14
    Grass Skipper? Location: Sungai Ara, Penang Island - Jan 25, 24
    https://www.inaturalist.org/observations/197521787

    #15
    Euploea crameri?? Location: Sungai Ara, Penang Island - Jan 25, 24
    https://www.inaturalist.org/observations/197521762

    #16
    Grass Skipper? Location: Taiping, Perak - Jan 20, 24
    https://www.inaturalist.org/observations/197184899

    #17
    Euploea? Location: Taiping, Perak - Jan 20, 24
    https://www.inaturalist.org/observations/197184884

    #18
    Grass Skipper? Location: Taiping, Perak - Jan 20, 24
    https://www.inaturalist.org/observations/197160071

  2. #2
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    1.https://www.inaturalist.org/observations/198051521

    There appear to be two species & perhaps several individuals.

    Pix 2, 3, 4, 5, & 6 appear to be Euploea doubledayi .(Probably E. doubledayi occur in Penang after all.)
    https://inaturalist-open-data.s3.ama...433/large.jpeg
    https://inaturalist-open-data.s3.ama...435/large.jpeg
    https://inaturalist-open-data.s3.ama...434/large.jpeg
    https://inaturalist-open-data.s3.ama...436/large.jpeg
    https://inaturalist-open-data.s3.ama...438/large.jpeg

    The 2nd pic here shows a narrow brand & the HW with longer stripe-like spots.
    The dull blue-black FW sheen indicate it should be E. doubledayii.
    The UpF of E. eyndhovii is dark brown.
    https://yutaka.it-n.jp/dan/30640010.html
    https://yutaka.it-n.jp/dan/30660010.html


    Pix 1, 7, 8, 9, 10, & 11.should be Euploea algea.
    The HW submarginal spots are shorter bars, longest at the tornus & tapers upwards.
    The upperside have a deep dark blue brilliance.
    https://yutaka.it-n.jp/dan/30600010.html
    The male brand is broad & long.
    https://www.reddit.com/r/Butterflies...lgea_malaysia/
    https://eol.org/pages/46799999

    Other similar species have the HW submarginal spots more uniform in size.

    https://yutaka.it-n.jp/dan/30500001.html
    https://yutaka.it-n.jp/dan/30760010.html
    Last edited by Psyche; 02-Feb-2024 at 01:35 AM.

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    2. https://www.inaturalist.org/observations/198112757

    Uncertain. It does look like a female Rapala iarbus but the diffuse orange & the incurved HW postdiscal band suggest a member in the Tajuria group.


    3. https://www.inaturalist.org/observations/198069467

    Female Allotinus horsfieldii

    HW postdiscal spot 6 under 7 close to spot 7.
    Female with longer broad-based teeth.
    Male & female.
    https://thaibutterflies.com/wp-conte...ermagnus-2.jpg
    https://pamsbutterflies.com/butterfl...ieldi-permagus


    Allotinus unicolor.
    HW spot 6 rounded & set well inside of spot 7.
    Female with short broad teeth.
    Male & female.
    https://blogger.googleusercontent.co...ing-ChngCK.jpg
    https://butterflycircle.blogspot.com...mber-2015.html

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    6. https://www.inaturalist.org/observations/198051271

    Too blurry. Looks most like A. major.


    7. https://www.inaturalist.org/observations/198051261

    Arhopala epimuta.
    There is just enough visibility in pix 4 & 5 to see the pattern of HW spots 5, 6, & 7.
    https://blogger.googleusercontent.co...E_adult_02.jpg



    8. https://www.inaturalist.org/observations/197990775

    Female Athyma nefte.



    The female of the two species differ in the shape of the FW cell-bar, the tip in nefte being sinuous.

    Female A. nefte.
    https://blogger.googleusercontent.co...rgeant-KSK.jpg

    Female A. reta.
    https://www.butterflycircle.com/chec..._female_05.jpg

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    9. https://www.inaturalist.org/observations/197853370
    Should be right as Rapala iarbus .(There is just no other match.)

    The sharper FWs just a male, but this is likely a perspective distortion.
    The wider dark border on the FW margin(termen0)& the colour indicate a female.

    What appear to be curved black marks on the HWs are deep shadows.
    https://yutaka.it-n.jp/lyc4i/84040001.html



    10. https://www.inaturalist.org/observations/197839011

    Miletus. Too worn to Id.

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    11. https://www.inaturalist.org/observations/197838984

    Probably Parnara ganga.
    have the large spots as seen in P. ganga.
    However a small spot 6 is present.
    Eliot with another author state HW spot 6 is usually absent in P. ganga & present P. apostata.
    HW spots can vary in both species.
    This looks more towards P. ganga.
    https://yutaka.it-n.jp/hes/93040001.html
    https://butterfliesvietnam.blogspot....tal-swift.html

    P. apostata .The upperside is almost black.
    https://yutaka.it-n.jp/hes/93020001.html
    https://1.bp.blogspot.com/-R1LW7DbcO...0/DSC_0338.JPG

    P. bada have UnH spots usually small & separated.
    https://yutaka.it-n.jp/hes/93050001.html
    https://2.bp.blogspot.com/-r10tmE1OD...rnara+bada.jpg
    Last edited by Psyche; 03-Feb-2024 at 06:07 AM.

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    14. https://www.inaturalist.org/observations/197521787
    female Telicota either T. colon or besta.

    Female T. linna.
    UpF cellend twin orange bars rather short;
    Unh band the veins not dark-dusted.
    https://blogger.googleusercontent.co...male_up_01.jpg
    https://1.bp.blogspot.com/-bTIB_W6Rb...Horace-Tan.jpg

    Female T. bambusae.
    UpF cellend bars both long.
    Unh band veins weakly dark or none.
    https://upload.wikimedia.org/wikiped...89_%286%29.jpg
    https://www.ifoundbutterflies.org/si...ebfcad7b-1.jpg



    In the next four species ,the female have the uuper cellend bar about twice as long as the lower.

    a. Female T. ohara.
    UnH band inner margin only shallowly notched at the upper end.
    https://alchetron.com/cdn/telicota-0...resize-750.jpg
    https://thaibutterflies.com/wp-conte...ta-ohara-1.jpg
    Male.
    https://1.bp.blogspot.com/-UXgOiYLjR...0/DSC_0008.JPG

    b. female T. augias.
    The wings are more orangey than other species .
    https://inaturalist-open-data.s3.ama...5138/large.jpg

    c. female T. colon.
    FW postdiscal spots 4 5 are somewhat distorted, trapezoid, or notched & with lesser overlap.
    https://inaturalist-open-data.s3.ama...397/large.jpeg
    https://inaturalist-open-data.s3.ama...801/large.jpeg
    https://www.flickr.com/photos/djwalk...n/photostream/
    Vietnam.
    https://2.bp.blogspot.com/-oK76RoQgG...-no-nu/023.jpg

    d. Female T. besta. to colon, but FW spots 4 & 5 more uniform rectangles & aligned.
    https://blogger.googleusercontent.co...male_up_01.jpg
    https://blogger.googleusercontent.co...ale_03+(2).jpg

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    15. https://www.inaturalist.org/observations/197521762

    Male Euploea core graminifera.
    Luckily the FW is raised high enough to reveal the large oval spot in space 2.

    Euploea core.
    FW with a thin brand in space 1b.
    FW subapical spots smaller & well separated.
    UnF with a spot in space 2 which is relatively large & oval.
    https://yutaka.it-n.jp/dan/30580030.html

    Euploe crameri
    UpF with the subapical spots in space 4 & 5 large so the spots are nearly contiguous.
    Unf with a small spot in space 2 which is rounded or absent.
    https://yutaka.it-n.jp/dan/30520010.html



    16. https://www.inaturalist.org/observations/197184899

    Female Pelopidas mathias.
    This is fairly typical.
    Note spot in HW cell & strong grey tinge of the wings.

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