♂, Nakhon Si Thammarat, Thailand.		♂, Yala, Thailand.
♂, Phetchaburi, Thailand.		♂, Ranong, Thailand.

ON : Charaxes concha Van Vollenhoeven, 1861 OD : Tijdschr. Ent. 4: 162–163, pl.10, figs.1, 3(Un). TL : 'Java; Ludeking, Padang, Sumatra' [Ludeking, Sumatra]. (NHML) Distribution : P.Thailand (south of Phetchaburi), Langkawi, W.Malaysia, Singapore, Borneo, Sumatra. ● ssp.delphis ● ssp.concha

Eulepis delphis delphinion Fruhstorfer, 1904; Soc. ent. 19: 75; TL: Süd-Borneo.

concha :
Lectotype ♂, Ludeking, Sumatra. designated by R.L. Smiles,1978. (RNH)
'Paralectotype 2♂, Blume, Java. designated by R.L. Smiles,1978. (RNH)'
delphinion :
Holotype ♂, S.Borneo. designated by R.L. Smiles,1977. (NHML)
Paratype 1♂, N.Borneo. 1898. designated by R.L. Smiles,1977. (NHML)

[ THAILAND ]
Polyura delphis concha: Pinratana,1979 : 102, figs.N174b♂,♂(Un). (Trang; Yala)
Polyura delphis concha: Pinratana & Eliot,1996 : 100, pl.79, figs.195b♂,♂(Un). (Trang; Yala)
Polyura delphis concha: RDPB & DNP,2006–2008 : Butterflies in Hala-Bala Forest, fig.[♂](Un). (Narathiwat: Hala Bala) (last update: 2006.12.27 ; accessed: 2024.05.07)
Polyura delphis concha: Ek-Amnuay,[2007] : 494, pl.221, figs.N208b♂,♂(Un). (Yala)
Polyura delphis concha: Ek-Amnuay,2012 : 354, pl.150, figs.N184b♂,♂(Un). (Yala; Ranong)
Polyura delphis concha: Kimura et al.,2016 : 136, figs.♂,♂(Un). (Ka Chong; Than To WF.)
Polyura delphis concha: Sophonviwatkul et al.,2023– : Butterflies of Thailand, fig. (Nakhon Si Thammarat) (accessed: 2023.05.04)
Polyura delphis concha: Küppers & Janikorn,2020 : 16–17, figs.Abb.N-108–109. (Phang Nga)

[ THAILAND ]
Phetchaburi : 1♂.

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Ranong : 2♂.

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Nakhon Si Thammarat : 1♂.

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Trang : 1♂.

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Yala : 7♂ (incl. photo & photo by S.Atdhabhan).

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The butterfly is not uncommon in forests at low to moderate elevations (150–560 m a.s.l.). Males are frequently observed mud-puddling along stream banks and at puddles.
Tsukada (1991) treated the Javanese population as a distinct subspecies.

Van Vollenhoven, S.C.S, 1861. Description de quelques espèces nouvelles de lépidoptères.
Tijdschrift voor Entomologie, 4(5/6): 157–163, pls. 8–10.

Fruhstorfer, H, 1904. Neue Euploea aus dem malayischen Archipel.
Societas entomologica, 19(10): 73–76. (15.Aug.1904)

Smiles, R.L, 1982. The taxonomy and phylogeny of the genus Polyura Billberg (Lepidoptera: Nymphalidae).
Bulletin of the British Museum (Natural History) (Entomology), 44(3): 115–237.

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

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

2006.12.09 - 2026.08.31.