♂, Chanthaburi, Thailand.		♀, Kanchanaburi, Thailand.
♂, Kanchanaburi, Thailand.		♀, Trat, Thailand.

ON : Ergolis specularia arca Fruhstorfer, 1906 OD : Wien. ent. Ztg. 25(10) : 311, pl.1, fig.1. TL : Hinlap ; Muok Lek, Siam, Distribution : Thailand, Cambodia, Laos, Vietnam, Langkawi.

[ THAILAND ]
Ergolis specularia arca ; Fruhstorfer,1912 : 458. (Siam)
Ergolis specularia arca ; Godfrey,1916 : 125.
Ergolis specularia arca ; Godfrey,1927 : 123. (N)
Ergolis specularia arca ; Godfrey,1930 : 264. (Pak Song; Chonburi: Sriracha; Bangkok; Klong Pong Kapo)
Ariadne specularia arca ; Pinratana,1979 : 3, figs.N3,♂,♂(Un). (Chaiyaphum; Chanthaburi; Trang)
Ariadne specularia arca ; Pinratana & Eliot,1996 : 39, pl.23, figs.49,♂,♀. (Chaiyaphum; Nakhon Ratchasima; Chanthaburi; Chonburi; Rayong; Kanchanaburi)
Ariadne specularia arca ; Yamaguchi & Aoki,2000 : 254, fig.91,♀. (Mukdahan: Phu Mu)
Ariadne specularia arca ; Yamaguchi & Aoki,2002 : 27. (Mukdahan: Ban Gok Tum)
Ariadne specularia arca ; Yamaguchi, Aoki & Akiyama,2005 : 50. (Ubon Ratchathani: Phu Pung)
Ariadne specularia arca ; Ek-Amnuay,[2007] : 382, pl.165, figs.N52,♂,♂(Un),♀,♀(Un). (Trat; Kamphaeng Saen; Phu Khieo)
Ariadne specularia arca ; Ek-Amnuay,2012 : 484, pl.214, figs.N353,♂,♂(Un) ; pl.215, figs.N353,♀,♀(Un). (Trat; Kamphaeng Saen; Phu Khieo)
Ariadne specularia arca ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Nakhon Ratchasima; Trat; Sa Kaeo) (accessed: 2021.06.26)
Ariadne specularia arca ; Kimura et al.,2016 : 66, figs.♂,♂(Un),♂,♂(Un),♀,♀(Un),♀,♀(Un). (Phu Khiewo; Wan Nam Khiewo; Kao Soi Dao; Kratching WF; Kao Khiewo; Bang Phra; Kao Chamaoh; Doi Musso; Sai York Noi; Khlong Thariew)
Ariadne specularia arca ; Küppers & Janikorn,2020 : 81, figs.Abb.N-505,♂,506,♂. (Phang Nga)

[ LAOS ]
Ariadne specularia arca ; Motono & Negishi,1989 : 53, pl.41, figs.1,♂,2,♂(Un). (Tha Ngone; Pakse; Luang Prabang)
Ariadne specularia arca ; Osada, Uémura & Uehara,1999 : 205, pl.46, fig.♀. (Thakhek)
Ariadne specularia arca ; Nakamura & Wakahara,2012 : 44.
Ariadne specularia arca ; Onodera,2022 : 32, pl.105, figs.♂,♂(Un),♀,♀(Un). (Khammouan: Thakhek; Natung)

[ CAMBODIA ]
Ariadne specularia arca ; Monastyrskii et al.,2011 : 129. (Phnom Samkos W.S.)
Ariadne specularia arca ; Kosterin,2019 : 97. (Koh Kong; Kep)
Ariadne specularia arca ; Kosterin,2019b : 30. (Ratanakiri)
Ariadne specularia arca ; Chartier & Kosterin,2022 : 119. (Kep; Koh Kong; Pursat; Ratanakiri; Siem Reap)

[ VIETNAM ]
Ariadne specularia arca ; Miyazaki, Saito & Saito,2006b : 15, figs.N-3,♂,♀. (Dong Nai: Thac Mai; Bin Thuan: Dong Tien)
Ariadne specularia arca ; Monastyrskii & Devyatkin,2015 : 34. (S)
Ariadne specularia arca ; Monastyrskii,2019 : 4(1):153, pl.33, figs.2,♂. (C: Yok Don; Bu Gia Map / S: Cat Tien; La Nga; Nghia Trung)

[ THAILAND ]
Chiang Mai : 1♂.

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Chaiyaphum : 1♂ (photo).

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Kanchanaburi : 3♂ 3♀.

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Sa Kaeo : 1♂ (photo).

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Chonburi : 2♂.

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Chanthaburi : 1♂.

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Trat : 1♂ 1♀ (incl. photo by E.Ikari).

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[ VIETNAM ]
Lam Dong : 1♂.

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Bin Thuan : 3♂ 1♀.

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The butterfly is locally not rare in montane and secondary forests at low to moderate elevations (Alt. 30 - 1000m). Further distributional research is needed.

Fruhstorfer, H.,1906 :
Verzeichnis der von Mir in Tonkin, Annam und Siam gesammelten Nymphaliden und Besprechung verwandter Formen.
Wien. ent. Ztg. 25:307-362, 2 pls.

♂, Chiang Mai, Thailand.	♂, Chaiyaphum, Thailand.
♂, Sa Kaeo, Thailand.

2006.06.05 - 2024.03.31.