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Thread: Arhopala Collection for ID

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  1. #1
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    Default Arhopala Collection for ID

    Since we are now fortunate enough to have an expert in IDs with us, i.e. Psyche (Seow TL), we should post whatever Arhopala here so that Seow can help us nail the IDs of these lookalikes.

    Please state where you shot it, so that we can also narrow down locations and the species for future references.

    So start posting your "brown lookalikes" here!
    Khew SK
    Butterflies of Singapore BLOG
    Try not. Do, or do not. There is no try

  2. #2
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    I post first. Taken in Bukit Cahaya, upperside is blue.


  3. #3
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    Arhopala inornata inornata male

    Most important clue; hindwing rounded & without green tornal scales.
    Forewing : posdiscal spot 4(2nd lowest in pic) not dislocated.
    Hindwing : Postdiscal spot in space 6 is almost under spot 7, and roughly between spot 5 and cellend bar; complete dislocation of the postdiscal band at vein 2 (marked by a small tooth at the margin).
    TL Seow

    PS: Btc, Lc, no need to upload the Curetis topside as it is quite impossible to confirm ID based on that.

  4. #4
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    Seow, noted and many thanks.

    Quote Originally Posted by Psyche View Post
    Arhopala inornata inornata male

    Most important clue; hindwing rounded & without green tornal scales.
    Forewing : posdiscal spot 4(2nd lowest in pic) not dislocated.
    Hindwing : Postdiscal spot in space 6 is almost under spot 7, and roughly between spot 5 and cellend bar; complete dislocation of the postdiscal band at vein 2 (marked by a small tooth at the margin).
    TL Seow

    PS: Btc, Lc, no need to upload the Curetis topside as it is quite impossible to confirm ID based on that.

  5. #5
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    Hi Seow, any ID suggestion for this one. Same spp but two different individual, size about 1/2" dia.

    Thanks in advance,
    Attached Images Attached Images
    Last edited by Cruiser; 30-Nov-2010 at 10:35 PM.
    Ben Jin

  6. #6
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    Seow, you might want to look at this past thread (Arhopala Bin) which has quite a number of Arhopala shots awaiting ID suggestions.
    Horace

  7. #7
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    Quote Originally Posted by Cruiser View Post
    Hi Seow, any ID suggestion for this one. Same spp but two different individual, size about 1/2" dia.

    Thanks in advance,
    Arhopala wildeyana top-female, bottom-should be male

    I finally managed to figured this one out. One of the great difficulty with Arhopala is that individual variation would render any textbook description inaccurate and what are perceived as stable features unreliable. In this case whether the postdiscal band on the forewing is whole, kinked, or dislocated is inmaterial. Another is the spot in space 6 on the hindwing; this may be fully or partially under spot 7, and likewise fully or partially astride the cellend and spot 5.
    The most noticeable feature is that the spots are rather large for the butterfly. Postdiscal spots 4 & 5 are fully conjoined or almost so. The 3 discal spots are large with the lowest in space 1 quadrate. The submarginal spots on the hindwing are either dome-shaped or pyramidal. Closest to Fleming's L236B Un. In the text, A. wildeyana is stated to be not uncommon in Singapore.

    TL Seow
    Last edited by Psyche; 06-Dec-2010 at 06:25 AM.

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