ID Request

[Psyche]

6. https://www.butterflycircle.com/atta...6&d=1727366249

Male Nacaduba kurava euplea.



The main four 6line blues are found in India, although a 5th N.sinhala is also said to occur in the south.
NACAB6.png
Nacaduba beroe .
UnF midcell band with the costal spot above it absent.
UnF postdiscal band dislocated in the middle.
Male dark striae within bands weak or obsolete.
Male upperside deeper violet blue.
Female UpF with deeper bue patch, & 2-3 whitish submarginal spots.
Males.
https://www.ifoundbutterflies.org/si...9da7a9-1_1.jpg
https://www.ifoundbutterflies.org/si...8de93d-1_0.jpg
https://www.ifoundbutterflies.org/si...b68f69-2_1.jpg
https://www.ifoundbutterflies.org/si...b68f69-1_1.jpg
Female.
Female misIded. Note UpF with white submarginal spots & UnF without the mid costal spot.
https://www.ifoundbutterflies.org/si...0cfe1ecc-1.jpg
https://www.ifoundbutterflies.org/si...0cfe1ecc-2.jpg


Ionolyce helicon also lacks the UnF mid costal spot & can look very similar at certain angle.
UnH submarginal spots are pointed especially in space 3 beside the black tornal spot.
https://wingscales.com/media/2400/324-1-01413.jpg



Nacaduba berenice.
Underside much as in N. beroe but costal spot above midcell band present.
UnF postydiscal band almost always dislocated, crooked or distorted.
Male dark striae within bands well-developed.
Male upperside pale lavender blue with a frosted look due to msny white ribbon scales.
Female UpF with a pale blue patch.
Males.
https://www.ifoundbutterflies.org/si...e636a5e7-1.jpg
https://www.ifoundbutterflies.org/si...87537929-1.jpg
Ssp from Thailand.
https://wingscales.com/Lycaenidae/Na...berenice-aphya

Many examples of N. berenice are mis IDed.eg.
https://www.ifoundbutterflies.org/si...huri_as039.jpg
https://www.ifoundbutterflies.org/si...huri_as038.jpg
Female N. berenice.
https://www.ifoundbutterflies.org/si...7137cb-2_0.jpg
https://www.ifoundbutterflies.org/si...7137cb-1_0.jpg



Nacaduba kurava.
UnF with the mid costal spot present.
UnF submarginal spots with rounded margins, spots often broad,& should not have sharp points except the white striae.
UnF postdiscal band nearly always intact & regular.
Male dark striae within bands may be weak, but variable.
Male upperside deeper blue with the white striae showing through.
Female blue patch with the apex whitened.
Males.
https://www.ifoundbutterflies.org/si...c4de5275-1.jpg
https://www.ifoundbutterflies.org/si...b4488117-1.jpg
Note below last two males from Sa Kaeo are N. berenice.
https://wingscales.com/Lycaenidae/Na...-kurava-euplea
Females.
https://www.ifoundbutterflies.org/si...276dce4c-2.jpg
https://www.ifoundbutterflies.org/si...276dce4c-1.jpg
https://www.ifoundbutterflies.org/si...b7ed87d5-1.jpg
https://www.ifoundbutterflies.org/si...b7ed87d5-2.jpg
https://www.ifoundbutterflies.org/si...Saji_ae302.jpg



Nacaduba calauria.
This have a disjunct distribution in S. India & Sundaland & eastwards.
Images on the web from the subcontinent are mostly doubtful,
UnF with the submarginal spots narrow & only spots 4 & 5 triangular & pointed.
The postdiscal band istypically intact & fairly straight.
Male upperside is a dark violet blue.
Two confirmed males of ssp malayica from Singapore.
https://wanderingbutterflyeffect.wor...b3ad98860e.jpg

https://inaturalist-open-data.s3.ama.../original.jpeg
https://inaturalist-open-data.s3.ama...644/large.jpeg
https://www.inaturalist.org/observations/86060926

Probably correct but no upperside confirmation.
https://www.ifoundbutterflies.org/si...f6d7ee50-1.jpg
https://www.ifoundbutterflies.org/si...26996faa-1.jpg



TL Seow: Cheers.