♂, Mae Hong Son, Thailand.		♂, Chiang Mai, Thailand.
♂, Tak, Thailand.		♂, Sekong, Laos.

ON : Appias lalassis Grose-Smith, 1887 OD : Ann. Mag. nat. Hist. (5)20:265-266. TL : "Burmah, near the Siamese frontier" [Tounggya Sekkan, Tanintharyi, Myanmar]. (NHML) Distribution : Myanmar, Thailand, Laos, Vietnam, Yunnan. ● ssp.lalassis ● ssp.indroides

lalassis ; ♂, Type HT (red), "Burma" [Tounggya Sekkan, Tanintharyi, Myanmar]. (NHML, examined) ; ♀, Type N.AT (red), 17.1.21. Dawnas, [Myanmar]. (NHML, examined)

[ THAILAND ]
Appias lalassis ; Godfrey,1930 : 226-227. (Prae: Me Song forest; Chiang Rai: Phar Mieng)
Appias lalassis lalassis ; Pinratana,1983 : 20, pl.16, fig.35a♂. (Chiang Mai)
Appias lalassis lalassis ; Katsuyama et al.,2005 : 65, fig.52,♂. (Umphang: Tha Sai)
Appias lalassis lalassis ; Ek-Amnuay,[2007] : 156, pl.50, figs.Pi37a♂,♂(Un). (in part)
Appias lalassis lalassis ; Kimura et al.,2011 : 160, figs.♂,♂(Un). (Chiang Dao)
Appias lalassis lalassis ; Ek-Amnuay,2012 : 156, pl.50, figs.Pi37,♂,♂(Un) ; pl.51, figs.Pi37,♂,♂,♂(Un). (in part)
Appias lalassis lalassis ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Chiang Mai; Kamphaeng Phet) (accessed: 2024.04.13)

[ LAOS ]
Appias lalassis lalassis ; Motono & Negishi,1989 : 50, pl.23, figs.5,♂,6,♂(Un). (Vang Vieng; Phatong)
Appias lalassis lalassis ; Osada, Uémura & Uehara,1999 : 202, pl.35, figs.♂,♂(Un). (Nam Tha; Vang Vieng)
Appias lalassis lalassis ; Nakamura & Wakahara,2012 : 42.
Appias lalassis lalassis ; Onodera,2022 : 17, pl.66, figs.♂,♂(Un). (Xaisomboun: Nam Phang)

[ VIETNAM ]
Appias lalassis ; Monastyrskii et al.,2006 : 39. (Thua Thien Hue: A Luoi)
Appias lalassis ; Miyazaki, Saito & Saito,2006 : 11, figs.Pi-17,♂,♀. (Lam Dong: Dambri; Dai Duc Me)
Appias lalassis lalassis ; Monastyrskii & Devyatkin,2015 : 17. (N / C / S)

[ THAILAND ]
Mae Hong Son : 15♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Chiang Mai : 8♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Lampang : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

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Sep

Oct

Nov

Dec

Nan : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Tak : 2♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[ LAOS ]
Vientiane : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sekong : 1♂.

Jan

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Mar

Apr

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Jul

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Dec

The butterfly is locally not rare in montane forests at low to moderate elevations (Alt. 430 - 1500m). Males frequently come to the banks of streams and puddles to suck water.

Grose-Smith, H.,1887 : Descriptions of eight new Species of Asiatic Butterflies.
Ann. Mag. nat. Hist. (5)20:265-268.

Adamson, C.H.E.,1905 : Catalogue of butterflies collected in Burmah. Part 2.
Trans. nat. Hist. Soc. N. D. NT. (n.s.) 3:116-148.

♂, Chiang Mai, Thailand.	♂, Chiang Mai, Thailand.
♂, Nan, Thailand.	♂, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.

1996.10.31 - 2024.07.31.