♂, Mae Hong Son, Thailand.		♀, Chiang Mai, Thailand.
♂, Mae Hong Son, Thailand.		♀, Chiang Mai, Thailand.

ON : Hesperia leucocera Kollar, [1844] OD : in Hugel, Kaschmir. 4(2):454, pl.18, figs.3,4. TL : Himaleya. Distribution : S.India, N.W.Himalaya to Myanmar, Andamans, Thailand, Laos, Vietnam, Yunnan, Hainan, Langkawi.

Tagiades arminia Plötz, 1884 : Jb. nass. Ver. Nat. 37:51. (Published in Synonymy)
Celaenorrhinus vitruvius Fruhstorfer, 1910 : Deut. ent. Zeit. [Iris] 24:61. TL. Siam. (♀, NHML)

[ THAILAND ]
Celaenorrhinus leucocera ; Godfrey,1916 : 142. (Prae: Me Son forest)
Celaenorrhinus maculicornis vitruvius ; Seitz,1927 : 1036. (Siam)
Celaenorrhinus leucocera leucocera ; Godfrey,1927 : 127. (N)
Celaenorrhinus leucocera leucocera ; Godfrey,1930 : 358. (Prae: Me Song forest; Chiang Rai; Me Lamoung)
Celaenorrhinus leucocera ; Evans,1949 : 98. (Siam)
Celaenorrhinus leucocera ; Pinratana,1985 : 27, pl.10, figs.33,♂,♂(Un). (Chaiyaphum; Nakhon Ratchasima; Chanthaburi; Surat Thani)
Celaenorrhinus munda maculicornis ; Pinratana,1985 : 28, 120, pl.11, figs.37,♂,♂(Un). (Chanthaburi; Ranong)
Celaenorrhinus leucocera ; Yamaguchi & Aoki,2002 : 9, fig.,♂. (Ubon Ratchathani: Phu Chong Na Yoi; Phu Hin Dang)
Celaenorrhinus sumitra ; Ek-Amnuay,[2007] : pl.344, fig.H45,♂[♀],♂[♀](Un). (Chiang Mai)
Celaenorrhinus munda maculicornis ; Ek-Amnuay,[2007] : pl.345, H49,♂(Un). (Phu Khieo)
Celaenorrhinus leucocera ; Kimura et al.,2011 : 34, figs.♂,♂(Un),♂,♂(Un),♀,♀(Un),♀,♀(Un). (Chiang Dao; Doi Pui; Doi Suthep; Phu Khiewo; Wan Nam Khiewo; Kao Yai; Kao Soi Dao; Kraching WF; Muang Shone)
Celaenorrhinus leucocera ; Ek-Amnuay,2012 : 798, pl.368, figs.H45,♂,♂(Un),♀ (Chanthaburi).
Calaenorrhinus [sic] munda maculicornis ; Ek-Amnuay,2012 : pl.369, figs.H47,♂[♀],♀[♂](Un). (in part) (Phu Khieo)
Celaenorrhinus leucocera ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs, Early Stages. (Chiang Mai) (accessed: 2023.05.01)
Celaenorrhinus leucocera ; Küppers & Janikorn,2017 : 73-74, fig.Abb.H-062. (Phang Nga)

[ LAOS ]
Celaenorrhinus leucocera ssp. ; Motono & Negishi,1989 : 79, pl.110, figs.B5,♀,B6,♀(Un). (Pakse; Nam Moh; Vang Vieng)
Celaenorrhinus leucocera ; Osada, Uémura & Uehara,1999 : 221, pl.134, figs.♂,♀. (Saravan; Oudomxay)
Celaenorrhinus leucocera ; Nakamura & Wakahara,2012 : 57.
Celaenorrhinus leucocera ; Onodera,2022 : 104, pl.239, figs.♂,♂(Un),♀,♀(Un). (Luang Phabang; Bolikhamxai: Thabok)

[ VIETNAM ]
Celaenorrhinus leucocera leucocera ; Seitz,1927 : 1036. (Tonkin / Annam)
Celaenorrhinus leucocera ; Evans,1949 : 98. (Tonkin)
Celaenorrhinus leucocera ; Lemée,1950 : 22. (Hagiang)
Celaenorrhinus leucocera leucocera ; Metaye,1957 : 77. (N / C)
Celaenorrhinus leucocera ; Devyatkin & Monastyrskii,1999 : 158. (N: Tam Dao)
Celaenorrhinus leucocera ; Devyatkin & Monastyrskii,2003 : 122. (S: Cat Tien)
Celaenorrhinus leucocera ; Luong et al.,2004 : 12. (Cuc Phuong)
Celaenorrhinus leucocera ; Miyazaki, Saito & Saito,2007b : 3, fig.H-16,♀. (Lam Dong: Dambri; Dai Duc Me)
Celaenorrhinus leucocera ; Miyazaki et al.,2010 : 19, fig.H-16,♂. (Lam Dong: Dai Duc Me)
Celaenorrhinus leococera ; Monastyrskii & Devyatkin,2015 : 72. (N / C : to Lam Dong)

[ THAILAND ]
Mae Hong Son : 2♂ 3♀.

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Chiang Mai : 3♂ 7♀ (incl. photo).

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Phrae : 1♂ 1♀.

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Nan : 1♂.

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Phetchaburi : 1♂ (photo by M.Hayashi).

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[ LAOS ]
Luang Prabang : 1♂ (photo by H.Onodera).

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Khammouan : 1♀.

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The butterfly is locally common in montane forests at low to moderate elevations (Alt. 200 - 1200m). They often fly out from bushes along the trail and rest on the underside of leaves with their wings spread.

Kollar, V.,[1844] : Aufzahlung und Beschreibung der von Frciherrn Carl v. Hugel auf seiner Reise durch Kaschmir und das Himaleyagebirge gesammelten Insecten.
in Hugel, Kaschmir und das Reich der Siek.
Stuttgart, Hallbergerische Verlagshandlung 4(2):393-564, 582-585, pl.1-28.

Plötz, C.,1884 : Die Hesperiinen-Gruppe der Achlyoden.
Jb. nass. Ver. Nat. 37:1-55.

Fruhstorfer, H.,1910 : Neue Hesperiden des Indo-Malayischen Faunengebietes und Besprechung verwandter Formen.
Deut. ent. Zeit. [Iris] 24(3-5):58-104.

♀, Chiang Mai, Thailand.

1999.07.31 - 2023.05.31.