♂, 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., [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) (in part)
Euthalia alpheda yamuna ; Ek-Amnuay,[2007] : pl.192, figs.N143b♂(center),♂(center,Un). (Koh Tarutao) (in part)
Euthalia alpheda yamuna ; Ek-Amnuay,2012 : pl.196, figs.N309b♂(center),♂(center,Un). (Koh Tarutao) (in part)
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 rare in lowland forest.

Eliot, J. N.,1980 : New Information on the Butterflies of the Malay Peninsula.
Malay. Nat. J. 33(3/4):137-155.

2007.02.10 - 2021.10.31.