Caltoris tenuis  (Evans,1932)
Caltoris tenuis ♂ Up. Caltoris tenuis ♂ Un. Caltoris tenuis ♀ Up. Caltoris tenuis ♀ Un.
♂, Chiang Mai, Thailand. ♀, Chiang Mai, Thailand.
Caltoris tenuis ♂ Up. Caltoris tenuis ♂ Un. Caltoris tenuis ♂ genitalia Caltoris tenuis ♂ genitalia
♂, Kanchanaburi, Thailand. ♂ genitalia, Chiang Mai, Thailand.

ON : Baoris cahira tenuis Evans,1932
OD : Ident. Indian Butts. (2nd ed.) : 413.
TL : Ataran, Tavoy. (♂, NHML)
Distribution : Myanmar, Thailand, Laos, Vietnam.
Records taken from Literature

[ THAILAND ]
Baoris tenuis tenuis ; Davidson & Macbeth,1938 : 93. (Lampang)
Caltoris tenuis ; Pinratana,1985 : 113, pl.38, fig.262. (Chiang Mai)
Caltoris tenuis ; Yamaguchi & Aoki,2000 : 251, fig.33♂. (Mukdahan: Phu Mu)
Caltoris tenuis ; Yamaguchi & Aoki,2002 : 15. (Ubon Ratchathani: Phu Hin Dang / Mukdahan: Ban Lao Kram ; Ban Gok Tum)
Caltoris tenuis ; Katsuyama et al.,2005 : 64, fig.34♀. (Umphang: Tha Sai ; Umphang)
Caltoris tenuis ; Ek-Amnuay,[2007] : 842, pl.387, figs.H302,♂,♂(Un). (Chiang Mai)
Caltoris tenuis ; Kimura et al.,2011 : 107, figs.♂,♂(Un),♀,♀(Un). (Doi Suthep / Phu Khiewo / Sai York Noi)
Caltoris tenuis ; Ek-Amnuay,2012 : 908, pl.419, figs.H299,♀,♀(Un). (Chiang Mai)

[ LAOS ]
Caltoris tenuis ; Masui & Uehara,1997 : 6, 5, figs.27,♂,♂. (Louang Phabang)
Caltoris tenuis ; Osada, Uemura & Uehara,1999 : 225, pl.143, fig.♂. (Luang Phrabang)
Caltoris tenuis ; Nimura & Wakahara,2005 : 49. (Namdhua)
Caltoris tenuis ; Nakamura & Wakahara,2012 : 60.

[ VIETNAM ]
Caltoris tenuis ; Devyatkin & Monastyrskii,2002 : 152. (Kon Ka Kinh)
Caltoris tenuis ; Miyazaki, Saito & Saito,2007b ; 17, fig.H-125,♂. (Lam Dong: Dambri)
Caltoris tenuis ; Monastyrskii & Devyatkin,2015 : 85. (C: Gia Lai)

Specimens Examined

[ THAILAND ]
Mae Hong Son : 1♂.
JanFebMarAprMayJun JulAugSepOctNovDec

Chiang Mai : 9♂ 4♀.
JanFebMarAprMayJun JulAugSepOctNovDec

Chaiyaphum : 1♂ (photo by A.Giudici).
JanFebMarAprMayJun JulAugSepOctNovDec

Kanchanaburi : 2♂.
JanFebMarAprMayJun JulAugSepOctNovDec

Notes
Literature

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

Caltoris tenuis ♂ Caltoris tenuis ♂
♂, Chiang Mai, Thailand. ♂, Chiang Mai, Thailand.
Caltoris tenuis ♀ + ♂
♀ + ♂, Chiang Mai, Thailand.
2018.08.31 - 2018.12.31.
A Check list of Butterflies in Indo-China, Chiefly from THAILAND, LAOS & VIETNAM. Copyright © 1996- Y.Inayoshi.