♂ (dsf), Chiang Mai, Thailand.		♀ (dsf), Chiang Mai, Thailand.
♂ (dsf), Nan, Thailand.		♀ (dsf), Nan, Thailand.
♂, Nan, Thailand.		♀, Nan, Thailand.
♂, Chiang Mai, Thailand.		♂ (dsf), Prachuap Khiri Khan, Thailand.
♂ (dsf), Nan, Thailand.		♂ (dsf), Khammouan, Laos. (photo by K.Saito)

ON : Athyma ranga Moore, [1858] OD : in: Horsfield & Moore, Cat. lep. Ins. East-India Co. 1:175-176, pl.5, fig.6,♂. TL : Darjeeling, [N.India]. Distribution : N.India (Sikkim) to Myanmar, Thailand (excluding SE.), Laos. ● ssp.ranga ● ssp.obsolescens

Athyma mahesa Moore, [1858] : in: Horsfield & Moore, Cat. lep. Ins. East-India Co. 1:176, pl.5, fig.7,♂. TL. Darjeeling, [N.India].

[ THAILAND ]
Pantoporia ranga obsolescens ; Fruhstorfer,1912 : 629. (Siam)
Pantoporia ranga obsolescens ; Godfrey,1916 : 129. (Prae: Me Song forest; Pak Jong)
Pantoporia ranga obsolescens ; Godfrey,1927 : 124. (N)
Pantoporia ranga obsolescens ; Godfrey,1930 : 285. (Prae: Me Song forest; Pak Jong)
Athyma ranga obsolescens ; Pinratana,1979 : 56, figs.N100,♂,♂(Un). (Chiang Mai; Chaiyaphum; Chonburi) (in part)
Athyma ranga ranga ; Pinratana & Eliot,1996 : 61, pl.40, figs.110a♂,♂(Un). (Chiang Mai; Chaiyaphum; Nakhon Ratchasima; Chonburi) (in part)
Athyma ranga obsolescens ; Yamaguchi & Aoki,2000 : 255, fig.100,♂. (Mukdahan: Phu Mu)
Athyma ranga obsolescens ; Yamaguchi & Aoki,2002 : 28. (Mukdahan: Ban Na Lak)
Athyma ranga obsolescens ; Katsuyama et al.,2005 : 70, fig.162,♀. (Umphang: Tha Sai)
Athyma ranga ranga ; Ek-Amnuay,[2007] : 410, pl.179, figs.N114a♂,♂(Un),♀,♀(Un). (Khao Yai; Chiang Mai)
Athyma ranga obsolescens ; Ek-Amnuay,2012 : 420, pl.183, figs.N279,♂,♂(Un),♀,♀(Un). (Khao Yai; Chiang Mai)
Athyma ranga obsolescens ; Okamoto et al.,2013 : 9. (Kanchanaburi: Mae Klong Station)
Athyma ranga ranga ; Kimura et al.,2016 : 90, figs.♂,♂(Un),♂,♂(Un),♂,♂(Un),♂,♂(Un),♀,♀(Un). (Doi Chiang Dao; Doi Suthep; Dio Pa Chang; Thung Saleng Luang; Phu Khiewo; Kao Yai; Wan Nam Khiewo; Kao Khiewo) (in part)
Athyma ranga ranga ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2023- : Butterflies of Thailand, figs. (Ratchaburi; Phetchaburi) (accessed: 2023.06.14)

[ LAOS ]
Athyma ranga obsolescens ; Motono & Negishi,1989 : 59, pl.62, figs.7,♂,8,♂(Un). (Luang Prabang; Tha Lat; Tha Ngone)
Athyma ranga obsolescens ; Osada, Uémura & Uehara,1999 : 207, pl.58, figs.♂,♂dsf,♀. (Xaignabouri; Lak Sao; Phong Saly)
Athyma ranga obsolescens ; Onodera,2022 : 38, pl.116, figs.♂,♂(Un),♂,♂(Un). (Oudomxai; Khammouan: Natung)

[ THAILAND ]
Mae Hong Son : 1♂ 2♀.

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Chiang Mai : 12♂ 2♀ (incl. photo).

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Lampang : 2♂ (photo & photo by T.Laola).

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Nan : 7♂ 2♀.

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Kamphaeng Phet : 1♂ (photo).

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Tak : 3♂ 2♀.

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Phetchabun : 1♂.

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Chaiyaphum : 1♂ (photo).

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Prachuap Khiri Khan : 1♂.

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[ LAOS ]
Khammouan : 1♂ 1♀.

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The butterfly is common in montane forests at low to moderate elevations (Alt. 400 - 1400m). Males are territorial on shrubs.
The species is highly variable with individual and seasonal variation, which seems to be more pronounced than geographic variation. Further taxonomic study is needed.

Moore, F.,[1858] : in: Horsfield & Moore, A catalogue of the Lepidopterous Insects in the Museum of the Hon. East-India Company. Vol.1.
London, W.H. Allen and Co. v + 278 pp., 12 pls.

♂, Lampang, Thailand.	♀, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.	♀, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.	♂, Chiang Mai, Thailand.

2014.08.09 - 2023.06.30.