Dear Dr Seow, is this Nacaduba berenice icena or Ionolyce helicon merguiana? Thanks!
Attachment 27894
Is this Malay Yeoman?
Attachment 27895
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Dear Dr Seow, is this Nacaduba berenice icena or Ionolyce helicon merguiana? Thanks!
Attachment 27894
Is this Malay Yeoman?
Attachment 27895
1. Male Nacaduba beroe.
Fairly typical.
FW with innermost costal spot (above the mid-cell band) absent.
Dark striae within bands largely obsolete.
HW submarginal spot in space 3 above the black spot lunulate (cescent) not pointed.
https://inaturalist-open-data.s3.ama...113/large.jpeg
https://inaturalist-open-data.s3.ama...5224/large.jpg
Ionolyce helicon.
Can look similar to N. beroe.
FW innermost costal spot absent.
FW postdiscal band serially dislocated.
https://inaturalist-open-data.s3.ama...9699/large.jpg
https://inaturalist-open-data.s3.ama...981/large.jpeg
Nacaduba berenice.
FW inner costal spot almost always present.
FW postdiscal band dislocated or crooked.
Dark striae with bands strongly developed.
https://inaturalist-open-data.s3.ama...4214/large.jpg
https://inaturalist-open-data.s3.ama...2682/large.jpg
If this is taken in Singapore than it is a new record.
Cirrichroa surya siamensis. Correction: Cirrochroa malaya.
UnF discal band expanded upwards to the costa.
HW white discal band narrow ,of uniform width throughout.
http://www.samuibutterflies.com/expe...rrochroasurya/
http://yutaka.it-n.jp/hel/710190010.html
30 years ago this was still largely known from the northern half of Peninsular Malaysia.
Cirrochroa emalea emalea.
UnF band expanded at costa but more widely.
Hw discal markedly constricted in space 5.
http://www.butterflycircle.com/check...eoman-KSK2.jpg
http://www.butterflycircle.com/check...eoman-khew.jpg
C. tyche.
UnF discal of nearly uniform width, the inner margin very irregular.
https://1.bp.blogspot.com/-_5lIYcugi...an_Khew_03.jpg
https://1.bp.blogspot.com/-gH0F2cUzT...ederick_01.jpg
TL Seow: Cheers.
Correction: 2 is definitely Cirrochroa malaya.
This species resembles C. surya on the underside is found in Sundaland but seem not in Thailand.
The upperside resenbles C. emalea.
https://en.wikipedia.org/wiki/Cirroc...layamalaya.jpg
The underside resembles C. surya.
Pahang.
https://farm5.static.flickr.com/4017...8c9065e3_o.jpg
TL Seow; Cheers.