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Thread: 1 UFO and 1 Arhopala for ID

  1. #1
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    Default 1 UFO and 1 Arhopala for ID

    Needs the experts here to help ID these two butts...



    Cher Hern

  2. #2
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    May 2004
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    Whilst we wait for Seow's sharp eyes to nail these two, I'll give it a shot.

    The first one matches the Dark Caerulean (Jamides bochus nabonassar)'s markings. Go thru the checklist and compare this one.

    The 2nd one doesn't exactly match the samples, but I'd say it's closest to the Vinous Oakblue (Arhopala athada athada) from the hindwing and forewing markings.
    Khew SK
    Butterflies of Singapore BLOG
    Try not. Do, or do not. There is no try

  3. #3
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    Quote Originally Posted by Commander View Post
    Whilst we wait for Seow's sharp eyes to nail these two, I'll give it a shot.

    The first one matches the Dark Caerulean (Jamides bochus nabonassar)'s markings. Go thru the checklist and compare this one.

    The 2nd one doesn't exactly match the samples, but I'd say it's closest to the Vinous Oakblue (Arhopala athada athada) from the hindwing and forewing markings.
    Thanks Khew for the responses.
    I do agree with you that the first one matches the Dark Caerulean.
    My guess for the second is the Sylhet Oakblue (Arhopala silhetensis adorea), the markings somewhat match better...
    Cher Hern

  4. #4
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    Yes, they are the Dark Caerulean and the Vinous Oakblue.

    The Dark Caerulean have the inner margin of the forewing submarginal band scalloped making it looks like a Nacaduba spp.

    Note the two postdiscal spots one on top the other in space 6 & 7 of the hindwing of the Oakblue.

    In the Vinous Oakblue, they are quadrate & their inner margins are in line.( As seen here. )

    In the Sylhet Oakblue, the 2 spots are sinuous & the inner margin of the upper postdiscal spot in space 7 is further inwards ( basad ) than the inner margin of the spot in space 6. ( There is a typo error in the Arhopala key for A. silhetensis in C&P4. )

    TL Seow

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