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

ON : Castalius ananda vileja Fruhstorfer, 1918 OD : Tijdschr. Ent. 61(1/2):25. TL : Nord-Ost-Sumatra. Distribution : P.Thailand (Yala), W.Malaysia, Sumatra. ● ssp.dharta ● ssp.vileja

[ THAILAND ]
Tarucus waterstradti vileja ; Saito & Inayoshi,2018 : 34, figs.58,♂(Un),59,♀. (Yala)
Tarucus waterstradti vilej [sic] ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2019- : Butterflies of Thailand, figs. (Yala) (accessed: 2022.12.08)

[ THAILAND ]
Yala : Betong Dist., 4♂ 4♀ (incl. photo by S.Atdhabhan, A.Giudici).
2015.12.10. 1♂ (photo by S.Atdhabhan) ; 2016.12.14. 1♀ (photo by A.Giudici).

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The first discovery in Thailand is a photo taken by Satawan Atdhabhan on 10.Dec.2015 in Betong, Yala.
The butterfly is locally not rare in montane forests at low to moderate elevations (Alt. 400 - 900m).

Fruhstorfer, H.,1918 : Revision der Gattung Castalius auf Grund der Morphologie der Generationsorgane.
Tijdschr. Ent. 61:17-44, pls.4,5. (15.Jul.1918)

♂, Yala, Thailand. (photo by S.Atdhabhan)	♀, 2016.12.14. Yala, Thailand. (photo by A.Giudici)
♂, Yala, Thailand. (photo by A.Giudici)	♂(left) and ♀(right), Yala, Thailand. (photo by S.Atdhabhan)

2020.10.31 - 2023.02.28.