♂, 1997.04.01. Satun, Thailand.

ON : Euthalia djata rubidifascia Talbot, 1929 OD : Bull. Hill Mus. 3(1):79, pl.2, fig.2,♀. TL : Sumatra. (NHML) Distribution : P.Thailand, W.Malaysia, {Singapore}, Sumatra. ● ssp.osadai ● ssp.siamica ● ssp.rubidifascia

Euthalia djata revivo Tsukada, 1991 : Butterflies of the South East Asian Islands. 5:399,548, pl.96, figs.12,(HT,♂), 13(PT,♀), 14(PT,♂). TL. Cameron Highland, W.Malaysia. (in coll. E. Tsukada)

rubidifascia : Holotype ♀, Sumatra (NHML) ; Yokochi,1999b : 21, fig.78(HT,♀,♀Un).
revivo : Holotype ♂, Mar.1990. Cameron Highland, W. Malaysia. (in coll. E.Tsukada)
'Paratypes : 1♂, 16.Mar.1982. Kedah, W. Malaysia ; 1♀, 17.Feb.1970. Kedah, W. Malaysia.' [? ssp.siamica]

[ THAILAND ]
Satun : Koh Tarutao. 1997.04.01. 1♂ P.Sukkit (YI).

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This is the first record in Thailand. The butterfly is rare in montane forest at lowl elevations.
In general, the butterfly faunas of Langkawi and Koh Tarutao are often identical. Curiously, however, the specimen from Koh Tarutao seems to be ssp.rubidifascia, which is found in mainland Malaysia, rather than ssp.siamica in Langkawi. Tsukada (1991) described a taxon revivo in W. Malaysia, which is considered a synonym of rubidifascia. In addition, the holotype of revivo is from Cameron Highlands and belongs to ssp.rubidifascia, while the paratypes are from Kedah and are considered to be ssp.siamica. Further taxonomic study and distributional research are needed.

Talbot, G.,1929 : New forms of Malayan Butterflies
Bull. Hill Mus. 3(1):78-80, 1 pl.

Tsukada, E.,1991 : Butterflies of the South East Asian Islands V, Nymphalidae (II).
Azumino Butterflie's Research Institute. 576pp.(238 col. pls.) (in Japanese)

Yokochi, T.,1999b : A revision of the lubentina group of genus Euthalia (Rhopalocera, Nymphalidae) in the Indo-Australian Region (II)
Butterflies 23:20-35, 42 figs.

Eliot, J.N. & Kirton, L.G.,2000 : Revisional notes and nomenclatural changes of some Peninsular Malaysian butterflies
Malay. nat. J. 54(2):131-145.

2021.07.31.