♂, Chiang Mai, Thailand.		♂ (ws), Sa Kaeo, Thailand.
♂, Bolikhamxai, Laos.		♂ genitalia, Chiang Mai, Thailand.

ON : Nacaduba berenice aphya Fruhstorfer, 1916 OD : Zool. Meded. 2(14):127. TL : '"Siam" [Thailand]; Rangoon, [Yangon, Myanmar]'. (NHML) Distribution : Thailand, Laos, Cambodia, Vietnam. ● ssp.aphya ● ssp.icena

[ THAILAND ]
Nacaduba berenice aphya ; Godfrey,1927 : 125. (N)
Nacaduba berenice aphya ; Seitz,1924-1927 : 918. (Siam: Rangun)
Nacaduba berenice aphya ; Godfrey,1930 : 322.(Prae: Me Song forest; Chiang Rai; Pak Jong)
Nacaduba berenice aphya ; Pinratana,1981 : 63. not fig. (Chiang Mai; Chanthaburi; Kanchanaburi; Nakhon Nayok; Nakhon Ratchasima)
Nacaduba pavana vajuva ; Ek-Amnuay,[2007] : pl.263, figs.L134,♂,♂(Un). (in part)
Nacaduba kurava euplea ; Ek-Amnuay,[2007] : pl.263, figs.L135a♀,♀(Un). (in part)
Nacaduba berenice aphya ; Okamoto et al.,2013 : 6. (Kanchanaburi: Mae Klong Station)
Nacaduba berenice aphya ; Ek-Amnuay,2012 : 606, pl.274, figs.L161a♀,♀(Un). (Chanthaburi; 'Omkoi'; 'Nan')
Nacaduba berenice aphya ; Kimura et al.,2014 : 159, figs.♂,♂(Un),♂,♂(Un). (Nakohn Nayok; Wan Nam Khiewo; Kao Soi Dao; Kaw Khiewo; Sai Yok Noi) (in part)
Nacaduba berenice aphya ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Sa Kaeo; Phetchaburi) (accessed: 2021.05.12)

[ LAOS ]
Nacaduba berenice aphya ; Motono & Negishi,1989 : 72, pl.103, figs.A9,♂,A10,♂(Un). (Vang Vieng)
Nacaduba berenice aphya ; Osada, Uémura & Uehara,1999 : 215, pl.111, figs.♂,♂(Un). (Lak Sao; Xam Neua)
Nacaduba berenice aphya ; Onodera,2009b : 40,43. (Khammouan: Thakhek; Bolikhamxai: Phon Si)
Nacaduba berenice aphya ; Nakamura & Wakahara,2012 : 52.
Nacaduba berenice aphya ; Suwa et al.,2013 : 26, fig.23,♂(Un). (Phonsali; Phonsy)
Nacaduba berenice aphya ; Suwa et al.,2019 : 30. (Dong Hua Sao; Tham Piu)
Nacaduba berenice aphya ; Onodera,2022 : 80, pl.211, figs.♂,♂(Un),♀,♀(Un). (Khammouan: Thakhek; Xiengkhouang: Plain of Jars)

[ CAMBODIA ]
Nacaduba kurava berenice ; Onodera,2009 : 40. (Siem Reap: Phnum Kulen)
Nacaduba berenice aphya ; Chartier & Kosterin,2022 : 121. (Koh Kong; Mondulkiri; Siem Reap)

[ VIETNAM ]
Nacaduba berenice ; Monastyrskii et al.,2006 : 38. (Thua Thien Hue: Nam Dong; A Luoi; Phong Dien)
Nacaduba berenice plumbeomicans ; Miyazaki, Saito & Saito,2006d : 57, figs.L-56,♂,♀. (Lam Dong: Dambri; Dong Nai: Thac Mai)
Nacaduba berenice plumbeomicans ; Monastyrskii & Devyatkin,2015 : 53. (C: Quang Binh)

[ THAILAND ]
Chiang Mai : 8♂.

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Chaiyaphum : 1♂.

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Sa Kaeo : 2♂ (incl. photo by S.Sophonviwatkul).

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Chanthaburi : 1♂.

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[ LAOS ]
Bolikhamxai : 1♂.

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The butterfly is locally not rare in montane forests at low to moderate elevations (Alt. 150 - 900m). Males frequently come to the banks of streams and puddles to suck water.

Fruhstorfer, H.,1916 : Revision der Gattung Nacaduba auf Grund der Morphologie der Generationsorgane.
Zool. Meded. 2(14):103-140, pl.4-5. (30.Aug.1916)

Tite, G.E.,1963 : A Synonymic List of the Genus Nacaduba and Allied Genera (Lepidoptera: Lycaenidae).
Bull. Br. Mus. nat. Hist. (Ent.) 13(4):69-116, 91 tf, 2 pls. London.

♂, Chiang Mai, Thailand.	♂, Sa Kaeo, Thailand. (photo by S.Sophonviwatkul)

1999.07.11 - 2024.04.30.