♂, Chiang Mai, Thailand.		♂, Ranong, Thailand.
♂, Mae Hong Son, Thailand.		♂, Nan, Thailand.
♂, Ranong, Thailand.		♂, Yala, Thailand.
♂, Phetchaburi, Thailand.		♂, Chonburi, Thailand.
♂ genitalia, Nakhon Nayok, Thailand.

ON : Plastingia tytleri Evans, 1914 OD : J. Bombay nat. Hist. Soc. 23(2):303. TL : Sebong, Manipur. (♂, NHML) Distribution : Sikkim, Assam, Myanmar, Thailand, Laos, Vietnam, Guangxi, W.Malaysia, Singapore.

Padraona pseudomaesa ino Evans, 1932 : Ident. Indian Butts. (2nd ed.) : 402. TL. Mergui. (♂, NHML)

[ THAILAND ]
Padraona trachala ; Godfrey,1930 : 383. (Nakhon Sri Thammarat)
Padraona trachala ; Godfrey,1932a : 276. (P)
Padraona trachala ino ; Davidson & Macbeth,1938 : 89. (Lampang: Me Htam forest; Koon Tarn)
Potanthus trachala tytleri ; Evans,1949 : 376. (Siam / P)
Potanthus trachala tytleri ; Shirôzu & Saigusa,1962 : 38-39, pl.3, fig.22,♂, Textfig.10,♂genitalia. (Li)
Potanthus trachala tytleri ; Pinratana,1985 : 99, pl.34, figs.219,♂,♂(Un). (Chiang Mai; Chaiyaphum; Nakhon Ratchasiam; Nakhon Nayok; Uthai Thani; Chanthaburi; Ranong; Trang)
Potanthus trachals [sic] tytleri ; Yamaguchi & Aoki,2002 : 13, fig.26,♂. (Ubon Ratchathani: Phu Chong Na Yoi)
Potanthus pallida ; Ek-Amnuay,[2007] : 826, pl.379, figs.255,♂,♂(Un). (Chon Buri)
Potanthus trachala tytleri ; Ek-Amnuay,[2007] : 826, pl.379, figs.256,♂,♂(Un),♀,♀(Un). (Trat)
Potanthus pseudomaesa clio ; Ek-Amnuay,[2007] : 826, pl.380, figs.257,♂,♂(Un). (Chiang Mai)
Potanthus trachala tytleri ; Kimura et al.,2011 : 94, figs.♂,♂(Un),♀,♀(Un). (Doi Pha Hom Pok; Chiang Dao; Doi Suthep; Doi Inthanon; Maethro; Khun Lao Villege; Bang Salock; Phu Khiewo; Nakohn Nayok; Wan Nam Khiewo; Kao Soi Dao; Kratching WF; Doi Musso; Mae Sohd; Thung Yai; Sai York Noi; Kaper WF; Ranong Hot Spring; Kam Puan; Muang Shone; Kao Poh Ta; Khlong Naka; Ka Chong; Thaleban; Than To WF.)
Potanthus trachala tytleri ; Ek-Amnuay,2012 : 886, pl.410, figs.H253,♂,♂(Un),♀,♀(Un). (Trat)
'Potanthus trachala tytleri ; Küppers & Janikorn,2017 : 123-124, figs.Abb.H-243-246. (Phang Nga)'
Potanthus trachala tytleri ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2024- : Butterflies of Thailand, figs. (Chiang Mai; Nakhon Nayok) (accessed: 2024.06.18)

[ LAOS ]
Potanthus trachala tytleri ; Motono & Negishi,1989 : 83, pl.115, figs.B3,♂,B4,♂(Un). (Pakse)
Potanthus trachala tytleri ; Osada, Uémura & Uehara,1999 : 225, pl.142, fig.♂. (Oudomxay)
Potanthus trachala tytleri ; Onodera,2009b : 42. (Bolikhamxai: Phon Si)
Potanthus trachala tytleri ; Nakamura & Wakahara,2012 : 60.
Potanthus trachala tytleri ; Onodera,2022 : 119, pl.257, figs.♂,♂(Un). (Bolikhamxai: Lak Sao)

[ VIETNAM ]
Potanthus trachala tytleri ; Devyatkin & Monastyrskii,1999 : 174. (Cao Bang; Ba Be)
Potanthus trachala tytleri ; Devyatkin,2000 : 202. (S: Cat Tien)
Potanthus trachala tytleri ; Miyazaki, Saito & Saito,2007b : 15, fig.H-103,♂. (Bin Thuan: Dong Tien)
Potanthus trachala tytleri ; Monastyrskii & Devyatkin,2015 : 83. (N / C / S)
Potanthus trachala tytleri ; Saito et al.,2017 : 76. (S: Nui Cam; Nui Coto)

[ THAILAND ]
Mae Hong Son : 3♂.

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Chiang Rai : 1♂.

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Chiang Mai : 10♂.

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Phrae : 1♂.

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Nan : 5♂.

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Nakhon Nayok : 2♂.

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Chonburi : 1♂.

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Chanthaburi : 2♂.

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Phetchaburi : 1♂.

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Ranong : 8♂.

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Yala : 2♂.

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[ LAOS ]
Xiang Khouang : 1♂ (photo by H.Onodera).

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The butterfly is common in montane forests at low to moderate elevations (Alt. 100 - 1000m). Males are territorial on shrubs or undergrowth.
The specimens from peninsular Thailand, Ranong to Yala, are smaller than those further north, as noted by Evans,1949.

The species of this genus are so similar that identification by male genitalia is required. Therefore, records that do not examine the male genitalia cannot be adopted. In addition, although there are many field photos, most are either misidentified or unidentifiable and therefore cannot be used as records.

Evans, W.H.,1914 : Notes on Indian butterflies. 11-17. [Part 3].
J. Bombay nat. Hist. Soc. 23(2)302-310.

Evans, W.H.,1932 : The identification of Indian butterflies. second edition revised.
Bombay nat. Hist. Soc., Madras : 10+454pp, 32 pls, 9f.

♂, Chiang Rai, Thailand.	♂, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.

2018.05.31 - 2024.06.30.