♂, Yala, Thailand.		♂, Nakhon Si Thammarat, Thailand.
♂, Ranong, Thailand.		♂ genitalia, Yala, Thailand.

ON : Nacaduba atrata neon Fruhstorfer, 1916 OD : Zool. Meded. 2(14):131. TL : Nord-Ost-Sumatra. (NHML) Distribution : P.Thailand (Ranong and Southward), Langkawi, W.Malaysia, Singapore, Sumatra, Borneo. ● ssp.gythion ● ssp.neon

[ THAILAND ]
Nacaduba kurava nemana ; RDPB & DNP,2006-2008 : Butterflies in Hala-Bala Forest, fig.[♂](Un). (Narathiwat: Hala Bala) (last update: 2007.01.05 ; accessed: 2024.06.03)
Nacaduba beroe gythion ; Les Day,2011-2022 : Samui Butterflies, fig.[♂](Un). (Koh Samui) (accessed: 2021.05.12)
Nacaduba beroe neon ; Kimura et al.,2014 : 160, not fig. (Muang Shone; Kao Poh Ta; Kam Puan; Key Rap Nam; Kao Luang; Ka Chong; Than To WF.)
Nacaduba beroe gythion ; Küppers & Janikorn,2020 : 164, figs.Abb.L-207-208. (Phang Nga)

[ THAILAND ]
Ranong : 3♂.

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Surat Thani (Koh Phangan dist.) : 4♂ (incl. photo by A.Giudici).

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Nakhon Si Thammarat : 1♂.

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Yala : 6♂.

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The butterfly is not rare in montane forests at low elevation (Alt. 30 - 450m). 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.

♂, Yala, Thailand. (photo by A.Giudici)

2021.06.30 - 2024.06.30.