♂, 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 : Salween Dist., U.Tenasserim. (♂, NHML) Distribution : Myanmar (Tenasserim), 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 ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,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 salweena ; Osada, Uémura & Uehara,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

Aug

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

Feb

Mar

Apr

May

Jun

Jul

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Oct

Nov

Dec

The butterfly is locally common in montane forests at moderate to high elevations (Alt. 900 - 1750m).
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. pt.1.
J. Bombay nat. Hist. Soc. 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 - 2023.06.30.