♂, Satun, Thailand.		♀, Yala, Thailand.
♂, Ranong, Thailand.		♀, Ranong, Thailand.
♂, Yala, Thailand.		♀, Lam Dong, Vietnam. (photo by K.Saito)

ON : Neptis omeroda Moore, [1875] OD : Proc. zool. Soc. Lond. 1874(4):571. TL : Penang. (♀, Oxford.) Distribution : P.Thailand, Vietnam, Langkawi, W.Malaysia, {Singapore}, Borneo, Sumatra, Banka, Java.

Neptis vikasi salpona Fruhstorfer, 1908 : Stett. ent. Ztg. 69(2):348-349. TL. N.Borneo. (MNHN)
Neptis vikasi pallantia Fruhstorfer, 1912 : in Seitz, Grossschmett. Erde 9:612. TL. Banka.

[ THAILAND ]
Neptis vikasi omeroda ; Godfrey,1932a : 269. (Surat Thani: Khao Poata)
Neptis vikasi omeroda ; Godfrey,1932b : 324. (Surat Thani: Khao Poata)
Neptis omeroda omeroda ; Eliot,1969 : 84. (P)
Neptis omeroda omeroda ; Pinratana,1979 : 47, fig.N78,♂. ('Kao Yai'; Trang; Yala)
Neptis omeroda omeroda ; Pinratana & Eliot,1996 : 49, pl.29, figs.71,♂♂(Un). (Ranong; Trang; Yala)
Neptis omeroda omeroda ; Ek-Amnuay,[2007] : 390, pl.169, figs.N74,♂,♂(Un). (Than To)
Neptis omeroda omeroda ; Les Day,2011-2022 : Samui Butterflies, figs. (Koh Phangan) (accessed: 2022.06.10)
Neptis omeroda omeroda ; Ek-Amnuay,2012 : 402, pl.174, figs.N249,♂,♂(Un). (Than To)
Neptis omeroda omeroda ; Kimura et al.,2016 : 78, figs.♂,♂(Un),♀,♀(Un). (Khlong Naka; Than To)

[ VIETNAM ]
Neptis omeroda omeroda ; Saito & Inayoshi,2022b : 25, figs.16,♀,16v♀(Un). (Lam Dong: near Bao Loc)

[ THAILAND ]
Ranong : 1♂ 1♀.

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Trang : 2♀.

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Satun : 2♂.

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Yala : 4♂ 4♀ (incl. photo by S.Atdhabhan).

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[ VIETNAM ]
Lam Dong : Bao Loc, 2016.12.--. 1♀ LC (KS)

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New to Vietnam.
The butterfly is not rare in montane forest at low elevations (Alt.10m - 300m) and is often found on forest paths or forest edges.
This species was previously thought to be distributed only south of peninsular Thailand. Recently, however, it was found in C.Vietnam. Pinratana,1979 recorded it from 'Khao Yai, C.Thailand', and I thought it was misidentified or an erroneous locality, but it might be this species. A distribution survey in C. to S.E.Thailand, Cambodia and S.Laos is needed.

Moore, F.,[1875] : Descriptions of New Asiatic Lepidoptera.
Proc. zool. Soc. Lond. 1874(4):565-579, pls.66,67.

Fruhstorfer, H.,1908 : Versuch einer monographischen Revision der Indo-Australischen Neptiden.
Stett. ent. Ztg. 69(2):240-412, 3 pls.

Fruhstorfer, H.,1912 : 6. Familie: Nymphalidae in Seitz, Gross-Schmett. Erde 9
593-616. (25.Sep.1912)

♀+♂, Yala, Thailand. (photo by S.Atdhabhan)	♀, Yala, Thailand. (photo by S.Atdhabhan)
♂, Yala, Thailand.

2006.02.20 - 2023.01.31.