♂, Chiang Mai, Thailand.		♀, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.		♀, Chiang Mai, Thailand.

ON : Euthalia adonia malaccana Fruhstorfer, 1899 OD : Berl. ent. Z. 44 (1/2):142. TL : "Malacca" [W.Malaysia]. (NHML) Distribution : Assam to Myanmar, Thailand, Laos, Cambodia, Vietnam, W.Malaysia.

Euthalia malaccana regulus Tsukada, 1991; In: Tsukada, Butterflies of the South East Asian Islands. 5: 406,549, pl.233, figs.9(HT,♂), 10(PT,♂Un), 11(PT,♀Un), 12(PT,♀); TL: "Chieng Dao, N.Thailand" [Chiang Dao, Chiang Mai, N.Thailand]. (in coll. E. Tsukada)

malaccana : Lectotype ♂, Malakka. designated by Yokochi,1999. (NHML)
regulus : Holotype ♂, Feb.1987. "Chieng Dao" [Chiang Dao, Chiang Mai], N.Thailand. (in coll. E. Tsukada)
Paratypes : all paratypes from N.Thailand.
4♂ 5♀, "Chieng Dao" [Chiang Dao] ; 2♀, "Chieng Rai" [Chiang Rai] ; 1♀, "Vien Pa Pao" [Wiang Pa Pao] ; 3♂, Doi Suthep, "Chieng Mai" [Chiang Mai].

[ THAILAND ]
Euthalia malaccana malaccana: Pinratana,1979 : 79, fig.N136,♂. (Nakhon Sri Thammarat)
Euthalia malaccana regulus: Tsukada,1991 : 406,549, pl.233, figs.9(HT,♂),10(PT,♂Un),11(PT,♀Un),12(PT,♀). (N.Thailand)
Euthalia malaccana malaccana: Pinratana & Eliot,1996 : 79, pl.54, figs.147,♀,♂. (Chiang Mai; Chanthaburi; Ranong)
Euthalia lubentina lubentina: Katsuyama et al.,2006 : 50, fig.121,♂. (Nan: Ban Nam Poon)
Euthalia malaccana malaccana: Ek-Amnuay,[2007] : 444, pl.196, figs.N154,♂,♂(Un),♀,♀(Un). (Chanthaburi)
Euthalia whiteheadi zinara: Ek-Amnuay,[2007] : 446. (Chaiyaphum) (partim)
Euthalia malaccana malaccana: Ek-Amnuay,2012 : 456, pl.201, figs.N320,♂,♂(Un),♀,♀(Un). (Chanthaburi; Doi Suthep)
Euthalia whiteheadi whiteheadi: Ek-Amnuay,2012 : 456. (Chaiyaphum) (partim)
Euthalia malaccana malaccana: Kimura et al.,2016 : 108, figs.♂,♂(Un),♂,♂(Un),♀,♀(Un),♀,♀(Un). (Tha Ton; Chiang Dao; Phu Khiewo; Kratchin WF; Kao Luang)
Euthalia malaccana malaccana: Sophonviwatkul et al.,2015– : Butterflies of Thailand, figs. (Chiang Mai; Phetchabun; Nakhon Nayok) (accessed: 2026.08.15)

[ LAOS ]
Euthalia malaccana malaccana: Motono & Negishi,1989 : 60, pl.69, figs.7,♂,8,♂(Un). (Vang Vieng)
Euthalia malaccana malaccana: Osada et al.,1999 : 207, pl.65, figs.♂,♀,♀. (Oudomxay; Xaignabouri)
Euthalia malaccana malaccana: Nakamura & Wakahara,2012 : 46.
Euthalia malaccana malaccana: Onodera,2022 : 44, pl.128, figs.♂,♂(Un),♀,♀(Un). (Xiengkhouang: Muang Kham)

[ CAMBODIA ]
Euthalia malaccana malaccana: Kosterin,2019 : 97, figs.46,♀,47,♀(Un). (Koh Kong)
Euthalia malaccana malaccana: Chartier & Kosterin,2022 : 118. (Koh Kong)

[ VIETNAM ]
Euthalia malaccana malaccana: Miyazaki et al.,2006b : 32, figs.N-93,♂,♀. (Lam Dong: Dambri)
Euthalia malaccana malaccana: Monastyrskii & Devyatkin,2015 : 40. (by literature)
Euthalia malaccana malaccana: Monastyrskii,2019 : 4(2):123-124, pl.66, figs.2a♂,2b♂(Un),2c♀. (C: Lam Dong)

[ THAILAND ]
Chiang Mai : 8♂ 8♀ (incl. photo).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Phetchabun : 1♂ (photo).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Yala : 1♂ (photo).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[ VIETNAM ]
Lam Dong : 1♂ 2♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The butterfly is locally not uncommon in forest at low to moderate elevations (300-1,300 m a.s.l.).

Fruhstorfer, H.,1899 : Neue Euthalien von Nord-Borneo.
Berliner entomologische Zeitschrift, 44(1/2): 121-155. (Jul.1899)

Tsukada, E.,1991 : In: Tsukada, E. (Ed.), Butterflies of the South East Asian Islands 5. Nymphalidae (II).
Azumino Butterflie's Research Institute, Nagano-ken, 576 pp., (238 pls.). (in Japanese)

Yokochi, T.,1999b : A revision of the lubentina group of genus Euthalia (Rhopalocera, Nymphalidae) in the Indo-Australian Region (II).
Butterflies, 23: 20-35, 42 figs.

♂, Yala, Thailand.
♂, Chiang Mai, Thailand.	♀, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.	♀, Chiang Mai, Thailand.
♂, Phetchabun, Thailand.	♀, Chiang Mai, Thailand.

2007.02.10 - 2026.08.31.