♂, Satun (Koh Tarutao), Thailand.		♂, Satun (Koh Tarutao), Thailand.

ON : Euthalia alpheda langkawica Eliot, 1980 OD : Malay. Nat. J. 33(3/4): 143. TL : "Langkawi Is." [Langkawi Islands, W.Malaysia]. (NHML) Distribution : P.Thailand (Koh Tarutao), W.Malaysia (Langkawi). ● ssp.verena ● ssp.yamuna ● ssp.langkawica

Holotype ♂, 23.Jan.1939, Langkawi Is., J.N. Eliot (NHML) ; Allotype ♀, same data as holotype. (NHML)
Pararypes 3♂ 1♀, same data as holotype.

[ THAILAND ]
Euthalia alpheda yamuna: Pinratana & Eliot,1996 : 76. not fig. (Tarutao) (partim)
Euthalia alpheda yamuna: Ek-Amnuay,[2007] : pl.192, figs.N143b♂(center),♂(center,Un). (Koh Tarutao) (partim)
Euthalia alpheda yamuna: Ek-Amnuay,2012 : pl.196, figs.N309b♂(center),♂(center,Un). (Koh Tarutao) (partim)
Euthalia alpheda langkawica: Kimura et al.,2016 : 104, figs.♂,♂(Un). (Tarutao Is)

[ THAILAND ]
Satun (Koh Tarutao) : 3♂.

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The species is confined to Langkawi and Koh Tarutao. The butterfly is not uncommon in lowland forest.

Eliot, J.N, 1980. New Information on the Butterflies of the Malay Peninsula.
Malayan Nature Journal, 33(3/4): 137–155.

2007.02.10 - 2021.10.31.