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

♂, Nan, Thailand.		♀, Nan, Thailand.
♂ genitalia, Nan, Thailand.

ON : Aemona lena salweena Tytler, 1939 OD : J. Bombay nat. Hist. Soc. 41(2): 250. TL : "Papun, Mal-hong-song, Salween District, Upper Tenasserim" [Papun, N.Kayin State, Myanmar]. (NHML) Distribution : Myanmar (Kayin State), Thailand, Laos.

Holotype ♂, Papun, Mai-hong-song, Salween Dist., Burma–Siam. A.C.Harman. (NHML)
Paratypes : 1♂, "Bangkok", Siam. E.Milford Barnes. (NHML) ; 1♀, Apr.1920. Melamung, W.Siam. C.A. Stockley. (NHML)

[ THAILAND ]
Aemona lena: Godfrey,1927 : 122. (N)
Aemona lena: Godfrey,1930 : 258. (W: Me Lamoung; Chiang Rai: Doi Chang)
Aemona lena salweena: Pinratana,1983 : 48, 61, pl.27, figs.♂,♀. (Chiang Mai; Loei; Chaiyaphum)
Aemona lena: Nishimura,1999 : 7, figs.35,♂,36,♂(Un),37,♂,38,♂,39,♂,40,♀,41,♀(Un),42,♀. (Uttaradit: Phu Soai Dao; Chiang Mai: Doi Suthep; Mae Hong Son: Mae Sariang; Tak: Mae La Mong; Chiang Rai: Wiang Pa Pao)
Aemona lena salweena: Ek-Amnuay,[2007] : 312, pl.128, figs.A6,♂,♂,♂(Un),♀,♀(Un). (Wiang Pa Pao; Mae Sariang)
Aemona lena: Ek-Amnuay,2012 : 312, pl.128, figs.N152,♂,♂,♂(Un),♀,♀(Un). (Wiang Pa Pao; Mae Sariang)
Aemona lena salweena: Sophonviwatkul et al.,2015– : Butterflies of Thailand, figs. (Chiang Mai; Phetchabun) (accessed: 2023.06.30)
Aemona lena salweena: Kimura et al.,2016 : 141, figs.♂,♂(Un),♂,♂(Un),♀,♀(Un),♀,♀(Un). (Doi Par Hom Pok; Doi Suthep; Maethro; Phu Khiewo)

[ LAOS ]
Aemona lena f. salweena: Dubois & Vitalis,1924 : 32. (Tong-La; Nam-Long; Ban-Pan; Nam-Mia)
Aemona lena salweena: Masui & Uehara,1996 : 5, pl.2, fig.2. (Phong Sali)
Aemona lena: Koiwaya & Harada,1996 : 16, figs.106–107(Larvae),108–109(Larva),110–112(Pupa),113,♀,114,♀(Un). (Phong Sali)
Aemona lena salweena: Osada et al.,1999 : 212, pl.98, figs.♂,♀. (Nong Het; Oudomxay)
Aemona lena salweena: Uémura,2005 : 4, fig.21,map. (Oudomxay; Phon Savan)
Aemona lena salweena: Uémura,2007 : 5, fig.32,map. (near Nong Het)
Aemona lena: Nakamura & Wakahara,2012 : 49.
Aemona lena salweena: Onodera,2022 : 65, pl.188, figs.♂,♂(Un),♀,♀(Un). (Phongsali: near Aya; Xiengkhouang: Phonkham)

[ THAILAND ]
Mae Hong Son : 1♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Chiang Rai : 1♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Chiang Mai : 8♂ 4♀ (incl. photo).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Lampang : 1♂ 1♀ (incl. photo).

Jan

Feb

Mar

Apr

May

Jun

Jul

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Sep

Oct

Nov

Dec

Nan : 1♂ 3♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Tak : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Chaiyaphum : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[ LAOS ]
Phong Saly : 1♂ 1♀ (incl. photo by H.Onodera).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Xieng Khouang : 1♀ (photo by H.Onodera).

Jan

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The butterfly is locally common in forests at moderate to high elevations (900–1,750 m a.s.l.).
The populations from northern Thailand have highly variation in individuals and show differences in their genitalia. I tentatively treat these as lena salweena, further taxonomic study is needed.

Tytler, H, 1939. Notes on some new and interesting butterflies chiefly from Burma. Part 1.
Journal of the Bombay natural History Society, 41(2): 235–252.

Nishimura, M, 1999. A review of the genus Aemona Hewitson (Lpidoptera, Nymphalidae), with descriptions of a new genus and a new species from North Myanmar.
Tyô to Ga, 50(1): 1–15, 67 figs.

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

2007.10.10 - 2026.06.30.