♂ (dsf), Mae Hong Son, Thailand.		♀, Chiang Mai, Thailand.
♂ (dsf), Loei, Thailand. (photo by TME)		♂ (dsf), Mae Hong Son, Thailand.
♂, Chiang Mai, Thailand.		♂, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.		♂ (dsf), Chiang Mai, Thailand.

ON : Ypthima sobrina Elwes & Edwards, 1893 OD : Trans. ent. Soc. Lond. 41(1):29, pl.1, figs.17,18. TL : Karen Hills. (NHML) Distribution : Myanmar, Thailand, Laos.

Ypthima similis yoma Evans, 1923 : J. Bombay nat. Hist. Soc. 29(3):787. TL. Pegu, Yoma. (NHML)

sobrina ; Syntypes ♂, Rh3225, ♀, Rh6246. Karen Hills, Burma. (NHML)
yoma ; Syntypes ♂, Rh6203, ♀, Rh6204. (NHML)

[ THAILAND ]
Ypthima methora sobrina ; Godfrey,1930 : 243. (Me Wong)
Ypthima sobrina ; Aoki & Uémura,1984 : 84. figs.11d-e,13(♂genialia),34,♂,35,♀. (Mae Hong Son: Mae Hong Son; Chiang Mai: Tha Tong; Hot Spring; Tak: Doi Musso; Loei: Nam Nao)
Ypthima sobrina ; Pinratana,1988 : 33, pl.33, fig.89,♂(Un). (Mae Hong Son; Chiang Mai; Tak; Petchaboon)
Ypthima sobrina ; Katsuyama et al.,2006 : 49, fig.95,♂. (Nan: Mae Charim)
'Ypthima sobrina ; Ek-Amnuay,[2007] : 300, pl.122, fig.S98,♂(Un, Laos).'
'Ypthima sobrina ; Ek-Amnuay,2012 : 300, pl.122, fig.N133,♂(Un, Laos).'
Ypthima sobrina ; Kimura et al.,2016 : 195, figs.♂,♂(Un),♂,♂(Un),♀,♀(Un),♀,♀(Un). (Mae Hong Son; Doi Par Hom Pok; Tam Chiang Dao; Chiang Mai)

[ LAOS ]
Ypthima sobrina ; Osada, Uémura & Uehara,1999 : 211, pl.96, fig.♂(Un). (Xiang Khouang)
Ypthima sobrina ; Uémura,2005 : 2, figs.6(map), 35,♂, 36,♀. (Xiang Khouang)
Ypthima sobrina ; Uémura,2007 : 3-4, fig.22,map. (Nakhai to Lak Sao)
Ypthima sobrina ; Onodera,2009b : 35-36. (Xieng Kouang: Muang Kham)
Ypthima sobrina ; Nakamura & Wakahara,2012 : 49.
Ypthima sobrina ; Onodera,2022 : 61, pl.181, figs.♂(wsf),♂(wsf,Un). (Xiengkhouang: Muang Khoun)

[ THAILAND ]
Mae Hong Son : 5♂.

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Chiang Mai : 11♂ 1♀.

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Loei : 1♂ (photo by TME).

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The butterfly is locally not rare in montane dry forests at moderate elevations (Alt. 700 - 1200m). Males are often territorial on undergrowth at hilltops from 10:00 to 12:30.

Elwes, H.J. & Edwards, J.,1893 :
A revision of the genus Ypthima with special reference to the characters afforded by the ♂ genitalia.
Trans. ent. Soc. Lond. 41(1):1-54, pls.1-3.

Evans, W.H.,1923 : The Identification of Indian Butterflies
J. Bombay nat. Hist. Soc. 29(3):780-797, pl.13-16.

Uémura, Y.,2020 : A synonymic list of the sakra-group of the genus Ypthima Hübner (Lepidoptera: Nymphalidae, Satyrinae)
Bull. Toyosato Mus. Ent. (30):1-20.

♂ (dsf), Mae Hong Son, Thailand.	♂ (dsf), Mae Hong Son, Thailand.
♂ (territorial behavior), Chiang Mai, Thailand.	♂ (territorial behavior), Chiang Mai, Thailand.
♂ (territorial behavior), Chiang Mai, Thailand.

1998.12.08 - 2023.07.31.