♂, Chiang Mai, Thailand.		♀, Chanthaburi, Thailand.
♂, 1962.02.11. Thu Duc, Gia Dinh, Vietnam. Holotype of chalybeia (photo by K.Saito)		♀, 1962.03.17. Trang Bom, Bien Hoa, Vietnam. Paratype of chalybeia (photo by K.Saito)
♂, Phu Quac, Vietnam. (photo by K.Saito)

ON : Hasora proxissima siamica Evans,1932 OD : Ident. Indian Butts. (2nd ed.) : 315. TL : S.E.Siam. (NHML) Distribution : Thailand, Laos, Cambodia, Vietnam.

Hasora proxima [sic] chalybeia Inoué & Kawazoé, 1964 : Trans. lepid. Soc. Japan 15(2):36-38, tf.2(♂genitalia), figs.3(HT,♂), 4(HT,♂Un), 5(PT,♀), 6(PT,♀Un). TL. S.Vietnam.

siamica ;
Type ♂, S.E.Siam. (NHML) ; Type ♀, Rh.135, Apr.1914. Nong Yai Boo, Sriracha, S.E.Siam. (NHML)

chalybeia ;
Holotype ♂, 11.Feb.1962. Thu Duc, S.Vietnam. (examined.)
Paratypes : 1♀, 17.May.1962. Trang Bom, S.Vietnam. (examined) ; 1♀, 02.Sep.1962. Trang Bom, S.Vietnam.

[ THAILAND ]
Hasora proxissima ; Riley & Godfrey,1921 : 189-190, pl.6,fig.9. (Chonburi: Nong Yai Boo)
Hasora proxissima ; Godfrey,1930 : 353. (Chonburi: Nong Yai Boo)
Hasora proxissima ; Godfrey,1932a : 274. (Kao Soi Dao, 'Trang' [Chanthaburi])
Hasora proxissima siamica ; Evans,1949 : 56. (Siam)
Hasora proxissima siamica ; Pinratana,1985 : 18, pl.4, figs.11,♂,♀,♂(Un). (Chaiyaphum; Sara Buri)
Hasora proxissima siamica ; Yamaguchi & Aoki,2000 : 249, fig.2♂. (Mukdahan: Phu Pha Thaep; Phu Mu; Phu Huay Sing; Ubon Ratchathani: Kaeng Tana)
Hasora proxissima siamica ; Yamaguchi & Aoki,2002 : 9. (Mukdahan: Ban Gok Tum; Ubon Ratchathani: Ban Ba Hai)
Hasora proxissima siamica ; Yamaguchi, Aoki & Akiyama,2005 : 41,43. (Mukdahan: Ban Lao Kram; Phu Hin Khan; Phu Huai Sing; Ubon Ratchathani: Warin Chamrap; Nam Tok Soi Sawan)
Hasora proxissima siamica ; Ek-Amnuay,[2007] : 728, pl.333, figs.H13,♂,♂(Un),♀,♀(Un). (Phu Khieo; Chanthaburi)
Hasora khoda coulteri ; Ek-Amnuay,[2007] : pl.338, figs.H26,♀,♀(Un). (in part)
Hasora proxissima siamica ; Chiba,2009 : 21, pl.7, figs.12,♂ ; pl.8, fig,1,♀. (Nong Yai Boo; Non Thebe; Nong Thebu)
Hasora proxissima siamica ; Kimura et al.,2011 : 24, figs.♂,♂(Un),♀,♀(Un). (Phu Khiewo; Saraburi)
Hasora proxissima siamica ; Ek-Amnuay,2012 : 776, pl.357, figs.H12,♂,♂(Un),♀,♀(Un). (Phu Khieo; Chanthaburi)
Hasora proxissima siamica ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Chiang Mai; Ubon Ratchathani) (accessed: 2024.06.17)

[ LAOS ]
Hasora proxissima siamica ; Motono & Negishi,1989 : 78, not fig. (Tha Ngone)
Hasora proxissima siamica ; Masui & Uehara,1994 : 7, fig.47,♀,♀(Un). (Vientiane)
Hasora proxissima siamica ; Osada, Uémura & Uehara,1999 : 221, pl.131, figs.♂,♀. (Thakhek)
Hasora proxissima siamica ; Chiba,2009 : 21, pl.7, fig.12,♂ ; pl.8, fig,1,♀. (Laos)
Hasora proxissima siamica ; Nakamura & Wakahara,2012 : 56.
Hasora proxissima siamica ; Onodera,2022 : 101, pl.235, figs.♂,♂(Un),♀,♀(Un). (Khammouan: Thakhek; Savannakhet)

[ CAMBODIA ]
Hasora proxissima ; Onodera,2009 : 40. (Siem Reap: Phnum Kulen)
Hasora proxissima siamica ; Kosterin,2020 : 332. (Stueng Treng)
Hasora proxissima siamica ; Chartier & Kosterin,2022 : 124. (Koh Kong; Siem Reap; Stueng Treng)

[ VIETNAM ]
Hasora proxissima siamica ; Devyatkin & Monastyrskii,2002 : 140. (C: Yok Don)
Hasora proxissima siamica ; Chiba,2009 : 21. (C / S)
Hasora proxissima siamica ; Monastyrskii & Devyatkin,2015 : 70. (C: Dak Lak, Yok Don / S)

[ THAILAND ]
Chiang Mai : 2♂.

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Nakhon Nayok : 1♂ (photo by T.Aoyama).

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Chanthaburi : 1♀.

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[ LAOS ]
Khammouan : 1♂ 1♀ (photo by H.Onodera).

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[ VIETNAM ]
Bien Hoa : 1♀ (Paratype of chalybeia).

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Gia Dinh : 1♂ (Holotype of chalybeia).

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Tinh Kien Giang : 1♂.

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The butterfly is locally not rare in montane forests at low to moderate elevations (Alt. 300 - 650m) and is crepuscular. Males frequently come to the banks of streams and puddles to suck water.

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

Inoué, S. & Kawazoé, A.,1964 : Hesperiid Butterflies from South Vietnam (1).
Trans. lepid. Soc. Japan 15(2):34-50.

♂, Nakhon Nayok, Thailand. (photo by T.Aoyama)

1999.07.31 - 2024.06.30.