♂, 1989.05.04. Koh Tarutao, Satun, Thailand.		♂, Koh Tarutao, Satun, Thailand.

ON : Eurema simulatrix littorea Morishita, 1968 OD : Tyô to Ga 19(3/4):66, figs.17,(HT,♂),18(HT,♂Un) ; 19,20, left row, Paratypes. TL : Langkawi Island, [W.Malaysia]. (NSM) Distribution : P.Thailand (Koh Tarutao), W.Malaysia (Langkawi). ● ssp. ● ssp.sarinoides ● transition zone of ssp. and tecmessa ● ssp.tecmessa ● ssp.littorea

Holotype ♂, 12.May.1966. Langkawi Island. K.Morishita leg. (NSM) ; Yata,1994 : pl.8, figs.1,♂, 2,♂(Un).
Paratypes 9♂, Langkawi Island. K.Morishita leg.

[ THAILAND ]
Eurema simulatrix litrea ; Saito & Inayoshi,2018 : 29, figs.7,♂,♂(Un). (Koh Tarutao)

[ THAILAND ]
Satun (Koh Tarutao) : 2♂ ; 1989.05.04. 1♂, P.Sukkit (YI).

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The butterfly is not rare in montane forests at low elevations (Alt. 10 - 30m). This subspecies is confind to Langkawi and Koh Tarutao.

Morishita, K.,1989 : Notes on the Butterflies of the Langkawi Islands, north-western extremity of Malaysia, with descriptions of new subspecies.
Tyô to Ga 19(3/4):61-69, 22 figs.

Yata, O.,1994 : A Revision of the Old World Species of the Genus Eurema Hübner (Lepidoptera, Pieridae).
Part 4. Description of the hecabe group (part)
Bull. Kitakyushu Mus. Nat. Hist. 13:59-105, pl.5-35.

2022.12.26.