♂, Chiang Mai, Thailand.		♂, Tak, Thailand.
♂, Chanthaburi, Thailand.		♂, Chachoensao, Thailand. (photo by K.Yano)

ON : Corone oceanica Mabille, 1904 OD : in Wytsman, Gen. Ins.(17c):143. TL : 'Océanie sans localité précise' [probably Assam]. (NHML) Distribution : Sikkim, Assam, Myanmar, Yunnan, Andamans, Thailand, Laos, Cambodia, Vietnam, Hainan. ● ssp.oceanica ● ssp.niasicus

Pamphila palmarum Moore, 1878 : Proc. zool. Soc. Lond. 1878(3):690-691, pl.45, figs.6,♂, 7,♀. TL. "Calcutta" [Kolkata, W.Bengal, India]. (NHML) (homonym)
Telicota palmarum hainanum Sonan, 1938 : Trans. nat. Hist. Soc. Formosa. 28:370, fig.2,[♀]. TL. Hainan. (TARI)

hainanum : ♀, Holotype (red), [Meiji] 41 [=1908].4.22. Xuechanglu (In Chinese), det. J.Sonan. (TARI) ; Chiba et al.,2009 : 56-57, figs.34,♀, 35,♀(Un), 36(labels).

[ THAILAND ]
Cephrenes chrysozona oceanicus ; Shirôzu & Saigusa,1962 : 41-42, pl.3, figs.23,♂,24,♂(Un), Textfig.13,♂genitalia. (Chieng Mai)
Cephrenes chrysozona oceanicus ; Pinratana,1985 : 105, pl.36, figs.239a,♂,♀,♂(Un). (Chiang Mai; Bangkok; Chonburi; Chanthaburi; Chachoengsao; Rayong; Sara Buri)
Cephrenes chrysozona oceanicus ; Ek-Amnuay,[2007] : 832, pl.383, figs.H279a♂,♂(Un),♀,♀(Un). (Kamphaeng Saen; Pattaya)
Cephrenes chrysozona niasicus ; Ek-Amnuay,[2007] : 832, pl.383, figs.H279b♂,♂(Un).
Cephrenes acalle oceanicus ; Kimura et al.,2011 : 100, figs.♂,♂(Un),♀,♀(Un),♀,♀(Un). (Mouk Leck; Bang Sarrey; Bang Phra; Bangkok; Wang Keo; Bang Phoo)
Cephrenes acalle oceanicus ; Ek-Amnuay,2012 : 896, pl.414,figs.H.276a♂,♂(Un) ; pl.415, ♂,♂(Un),♀,♀(Un). (Kamphaeng Saen; Pattaya; Trat)
Cephrenes acalle oceanicus ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2023- : Butterflies of Thailand, figs. (Bangkok) (accessed: 2023.09.17)

[ LAOS ]
Cephrenes chrysozona oceanicus ; Motono & Negishi,1989 : 84, col.pl.16 ; pl.116, figs.B11,♂,B12,♂(Un) ; pl.117, figs.A1,♀,A2,♀(Un). (Pakse)
Cephrenes acalle oceanica ; Osada, Uémura & Uehara,1999 : 225, pl.142, fig.♂. (Luang Phrabang)
Cephrenes acalle oceanica ; Nakamura & Wakahara,2012 : 60.
Cephrenes acalle oceanica ; Onodera,2022 : 121, pl.258, figs.♂,♂(Un). (Xaisomboun: Nam Phang)

[ CAMBODIA ]
? Cephrenes acalle oceanica ; Kosterin,2019 : 99, fig.59,♂(Un). (Koh Kong)
Cephrenes acalle oceanica ; Chartier & Kosterin,2022 : 126. (Koh Kong; Phnom Penh; Siem Reap)

[ VIETNAM ]
Cephrenes acalle oceanica ; Devyatkin & Monastyrskii,1999 : 176. (Hanoi; Tam Dao; Muong Nhe)
Cephrenes acalle oceanica ; Devyatkin & Monastyrskii,2003 : 129. (S: Dalat)
Cephrenes acalle oceanica ; Monastyrskii & Devyatkin,2015 : 83. (N / C / S)

[ THAILAND ]
Chiang Mai : 5♂.

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Nan : 3♂ (incl. photo by A.Giudici).

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Tak : 3♂.

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Phetchabun : 1♂ (photo by A.Giudici).

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Chachoensao : 1♂.

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Chanthaburi : 2♂.

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

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The butterfly is locally not rare in montane forests at low to moderate elevations (Alt. 100 - 1100m). Males occasionally come to the banks of streams and puddles to suck water.

Mabille, P.,1904 : Genera Insectorum. Lepidoptera. Rhopalocera. Fam. Hesperidae
in Wytsman, Genera Insectorum 17(A):1-78(1903) : (B):79-142(1904) ; (C):143-182(1904) ; (D):183-210(1904)

Moore, F.,1878 : Descriptions of new Asiatic Hesperidae.
Proc. zool. Soc. Lond. 1878(3):686-695, pl.45.

Sonan, J.,1938 : A list of the butterflies of Hainan, with descriptions of two new sub-species of Hesperiidae.
Trans. nat. Hist. Soc. Formosa 28:348–372, 2 figs. (in Japanese)

Evans, W.H.,1949 : A catalogue of the Hesperiidae from Europe, Asia and Australia in the British Museum (Natural History).
i-xix+1-502, pls.1-35. London.

Maruyama, K.,1991 : Butterflies of Borneo vol.2, No.2. Hesperiidae, Addndum of vol.1.
XII+89 pp(Japanese text), 48 pls, XII+83 pp (English text) + 1.
Tobishima corporation. Tokyo, Japan.

Chiba, H., Hsu, Y.F., H.Tsukiyama, Lo, P.Y.F., Chen, C.R. & Wang, S.M.,2009 :
Jinhaku Sonan's skipper type collection deposited at Taiwan Agricultural Research Institute (Lepidoptera: Hesperiidae)
Zootaxa 2202:48-58.

♂, Nan, Thailand. (photo by A.Giudici)	♂, Nan, Thailand.

2018.06.30 - 2025.01.31.