♂, Champasak, Laos.		♀, Sekong, Laos.
♂, Sekong, Laos.		♀, Sekong, Laos.
♂, Sa Kaeo, Thailand. (photo by K.Yano)		♀, 1978.03.06. Chanthaburi, Thailand.

ON : Delias agostina annamitica Fruhstorfer, 1901 OD : Soc. ent. 16(13):98. TL : Lang-Bian, S.Annam. (NHML) Distribution : S.E.Thailand, S.Laos, Cambodia, C. & S.Vietnam. ● ssp.agostina ● ssp.annamitica

1♂ 1♀, Type (red), Februar. Xom-Gom, Sud-Annam. H.Fruhstorfer (NHML, examined)

[ THAILAND ]
'Delias agostina annamitica ; Godfrey,1932a : 264. (Ranong: Kaw Chang [loc. err.])'
Delias agostina annamitica ; Saito & Inayoshi,2018 : 28, figs.1,♀,♀(Un),2,♀,♀(Un). (Chanthaburi; Sa Kaeo)
Delias agostina annamitica ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2023- : Butterflies of Thailand, fig. (Chanthaburi; Sa Kaeo) (accessed: 2023.03.27)

[ LAOS ]
Delias annamitica ; Vitalis,1919 : 217. (Laos)

[ CAMBODIA ]
Delias agostina annamitica ; Monastyrskii et al.,2011 : 128. (Phnom Samkos W.S.)
Delias agostina annamitica ; Chartier & Kosterin,2022 : 114. (Pursat)

[ VIETNAM ]
Delias agostina annamitica ; Fruhstorfer,1910 : 124. (S.Annam)
Delias annamitica ; Vitalis,1919 : 217. (Annam)
Delias agostina f.annamites [sic] ; Dubois & Vitalis,1921 : 17. (S.Annam)
Delias agostina annamitica ; Metaye,1957 : 84. (C)
Delias agostina ; Monastyrskii et al.,2006 : 38. (Thua Thien Hue: Bach Ma)
Delias agostina annamitica ; Miyazaki, Saito & Saito,2006 : 11, figs.Pi-4,♂,♀. (Lam Dong: Dambri)
Delias agpstina annamitica ; Monastyrskii & Devyatkin,2015 : 16. (C / S)
Delias agpstina annamitica ; Yokochi et al.,2015 : 39, figs.13,♂,13v♂(Un),14,♀,14v♀(Un). (Khanh Hoa: Hon Ba)

[ THAILAND ]
Sa Kaeo : 2♂ 2♀ (incl. photo by T.Aoyama).

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Chanthaburi : Soi Dao dist., 1978.03.06. 1♀, M.Sukkit.

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[ LAOS ]
Sekong : 1♂ 1♀.

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Champasak : 1♂.

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[ VIETNAM ]
Lam Dong : 6♂ 10♀.

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The butterfly is locally common in montane forests at low to moderate to moderate elevations (Alt. 300 - 1300m).
Godfrey,1932a recorded it from "Kaw Chang, Ranong" based on the specimens by A.F.G.Kerr. However, many of the data from Kerr's specimens are doubtful of the authenticity of their location, which is also likely to be an erroneous locality. Considering the distribution, the location name "Kaw Chang" might refer to "Koh Chang" in Trat, S.E.Thailand, rather than Ranong. Further distributional research is needed.

Fruhstorfer, H.,1901 : Neue Schmetterlinge aus Tonkin.
Soc. ent. 16(13):97-99.

♂, Sa Kaeo, Thailand. (photo by T.Aoyama)	♀, Sa Kaeo, Thailand. (photo by T.Aoyama)
♂, Sa Kaeo, Thailand. (photo by T.Aoyama)	♂, Sa Kaeo, Thailand. (photo by T.Aoyama)

1996.10.31 - 2023.03.31.