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Post by xtonix on Apr 6, 2013 9:53:43 GMT -8
please id (butterflies Mt.Argopuro E-Java Indonesia ) thanks Toni Attachments:
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Post by lepidofrance on Apr 6, 2013 12:54:02 GMT -8
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Post by Adam Cotton on Apr 7, 2013 8:37:36 GMT -8
Looks more like another subspecies of Cepora nerissa to me, but don't rely on it.
Adam.
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Post by lepidofrance on Apr 7, 2013 9:20:04 GMT -8
I can't find out a picture of Cepora nerissa corva, the Java ssp. As you know, male and female are different and there are WSF and DSF ! On another hand, this sample matches more or less with some ssp. and forms of Cepora nadina !  Would be useful to check on the Butterflies of the South East Asian Islands, vol. 2 Pieridae (I have only the volume 1  ). |
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Post by Adam Cotton on Apr 7, 2013 13:27:48 GMT -8
I looked in the Pieridae volume, of which I currently have a borrowed copy (Japanese edition) on my desk. The pics of corva from Java are upperside only for the male, and underside of the female. It seems also quite similar to the male of C. nerissa dissimilis from Bali pictured on the same page. Here's a scan. I think you will agree it is C. nerissa. Adam Attachments:
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Post by lepidofrance on Apr 7, 2013 13:52:41 GMT -8
Dear Adam, in my opinion, it's much more C. nerissa dissimilis than C. n. corva (given for Java). The butterfly is from Mount Argopuro in the Eastern part of Java (East of Surabaya) and very close to the thin channel between Javal and Bali. As far I know, there are many other samples of butterflies species which inhabit both Bali and Eastern Java.  All the best, JM Attachments:
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Post by Adam Cotton on Apr 8, 2013 11:17:01 GMT -8
Jean-Marie,
That's the problem, the book doesn't show the underside of male corva, only female, so it is difficult to know how the males of the two subspecies differ (if they do at all). I did say that it looks very similar to dissimilis from Bali, and of course it is possible that the same subspecies flies in E Java and Bali, especialy for a species like C. nerissa which is not confined to forests, at least not here in Thailand. I assume it is likely to be the same in Java.
Adam.
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