♂ (wsf), Chiang Mai, Thailand.		♀ (isf), Chiang Mai, Thailand.
♂ (isf), Chiang Rai, Thailand. (photo by TME)		♂ (dsf), Nan, Thailand. (photo by K.Yano)
♂ (dsf), Chiang Mai, Thailand.		♀ (dsf), Chiang Mai, Thailand.
♂ (wsf), Chiang Mai, Thailand.

ON : Pandima watsoni Moore, [1893] OD : Lep. Ind. 2(16):89-90, pl.113, figs.4,4a,4b. TL : Burma. (NHML) Distribution : Assam, Myanmar, Thailand. ● ssp.watsoni ● ssp.inouei ● ssp.peninsulae

Ypthima watsoni var. howarthi Cantlie & Norman, 1959 : J. Bombay nat. Hist. Soc. 56:66-67. TL. Sebong, Manipur.

watsoni ; Syntypes 1♂ Rh3401, Mar.91. Toungoo, Burmah. Watson. (NHML, examined) ; 1♀ Rh3402, 22.Jan.91. Toungoo, Burmah. Watson. (NHML, examined)
howarthi ; Holotype ♂, Sebong Manipur. (NHML) ; Paratype 1♂, 26.Sep.1857. Sebong (NZC) ; Sheela et al.,2019 : 258, fig.♂,♂(Un).

[ THAILAND ]
Ypthima watsoni ; Godfrey,1930 : 243. (W: Me Wong ; Klong Klung)
Ypthima watsoni watsoni ; Aoki & Uémura,1984 : 86-87. fig.16h. (Chiang Mai: Tam Tab Tao; Chiang Rai: Wiang Pa Pao)
Ypthima watsoni watsoni ; Pinratana,1988 : 34, pl.35, figs.98a♂(Un),♀. (Chiang Mai)
Ypthima watsoni watsoni  Uémura,1998 : 2-3. (Chiang Rai: Wiang Pa Pao; Chiang Mai: Tam Tab Tao)
Ypthima watsoni ssp. ; Yamaguchi, Aoki & Akiyama,2005 : 49, fig.15,♀. (Ubon Ratchathani: Phu Chong Na Yoi)
Ypthima watsoni watsoni ; Ek-Amnuay,[2007] : 304, pl.124, figs.S106a♂(Un),♀[♂]. (Chiang Mai)
Ypthima watsoni watsoni ; Ek-Amnuay,2012 : 304, pl.124, figs.N142a♂(Un),♀[♂]. (Chiang Mai)
Ypthima watsoni watsoni ; Kimura et al.,2016 : 202, figs.♀,♀(Un),♀,♀(Un). (Tam Tab Tao; Kuwai Yai)
Ypthima watsoni watsoni ; Uémura,2020 : 32,35. (Tam Tab Tao; Wiang Pa Pao)
Ypthima watsoni watsoni ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2023- : Butterflies of Thailand, figs. (Chiang Mai) (accessed: 2023.07.03)

[ THAILAND ]
Chiang Rai : 1♂ (photo by TME).

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Chiang Mai : 17♂ 4♀ (incl. photo).

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Nan : 1♀.

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The butterfly is locally common in montane dry forests (frequently in pine mixed forest) at moderate elevations (Alt. 700 - 1500m). Males are territorial on undergrowth.

Moore, F.,1893-1896 : Lepidoptera Indica. vol.II, Rhopalocera, Family Nymphalidae.
L.Reeve & Co., London.

Cantlie K. & Norman, T.,1959 : Notes on the butterfly genus Ypthima.
J. Bombay nat. Hist. Soc. 56(1):66-71.

Uémura, Y.,1998 : Revisional Notes on Oriental Satyrid Butterflies (Lepidoptera: Satyridae) Part 1. Ypthima fusca & Ypthima watsoni
Bull. Toyosato Mus. Ent. (7):1-6, 13 figs.

Uémura, Y.,2020 : A revisional guide to the motshulskyi-group of the genus Ypthima Hübner (Lepidoptera: Nymphalidae, Satyrinae) Part I
Sci. Rep. Toyohashi Mus. Nat. Hist. 30:31-41.

♂ (wsf), Chiang Mai, Thailand.
♂ (isf), Chiang Mai, Thailand.	♂ (isf), Chiang Mai, Thailand.
♂ (dsf), Chiang Mai, Thailand.

1998.12.08 - 2024.05.31.