♂, Xiang Khouang, Laos. (photo by K.Saito)		♀, Xiang Khouang, Laos. (photo by K.Saito)
♂, Chiang Mai, Thailand.		♂, Phong Saly, Laos. (photo by H.Onodera)

ON : Apatura sordida naga Tytler, 1915 OD : J. Bombay nat. Hist. Soc. 23(3): 502, pl.1, fig.3,♂. TL : "Yakama, Naga Hills" [Nagaland, N.E.India]. (NHML) Distribution : Assam, N.Myanmar, S.Yunnan, N.Thailand, N.Laos.

Chitoria sordita [sic] hani Yoshino, 1999; Neo Lepidoptera 4: 2, figs.6,(HT,♂), 10(HT,♂Un); TL: "Xishuanbanna, Monhai county, South Yunnan, China" [Xishuangbanna, Menghai, S.Yunnan]. (in coll. K.Yoshino)

naga : Syntype ♂, 28.Sep.1912. Jakama, Naga Hills, N.E.India. (NHML) ; Masui,2004 : figs.1,♂,♂(Un)
hani : Holotype ♂, Aug.1995. "Xishuanbanna" [Xishuang Banna], "Monhai" [Menghai] county, South Yunnan, China. (in coll. K.Yoshino)

[ THAILAND ]
Chitoria sordida ssp.: Miyata & Hanafusa,1994 : 1, pl.4, fig.8,♂. (Chiang Mai: Chiang Dao)
Chitoria naga: Masui,2004 : 246–248. (Chiang Dao)
'Chitoria sordida: Ek-Amnuay,[2007] : 466, pl.207, fig.N176,♂(Laos) [photo from Osada et al.,1999].'
Chitoria naga: Kimura et al.,2016 : 123. (Chiang Dao by literature) (partim)
Chitoria naga: Sophonviwatkul et al.,2022– : Butterflies of Thailand, figs. (Chiang Mai) (accessed: 2023.04.27)
Chitoria naga: Masui,2025 : 210. (N.Thailand)

[ LAOS ]
Chitoria sordida ssp.: Masui & Uehara,1994 : 5, figs.25,26. (Xiang Khouang)
Chitoria sordida: Koiwaya & Wakahara,1998 : 6–7, figs.14–16(Larva),17–19(Pupa),20,♂(Un). (Xieng Kouang)
Chitoria sordida ssp.: Osada et al.,1999 : 208, pl.72, figs.♂,♂(Un),♀. (Phong Saly)
Chitoria naga: Masui,2004 : 246–248, figs.9,♂(Up & Un),10,♀(Up & Un). (Xiang Kouang; Phong Sali; Xam Neua)
Chitoria naga: Nakamura & Wakahara,2012 : 47.
Chitoria naga: Onodera,2022 : 47, pl.142, figs.♂,♂(Un). (Xiengkhouang: Tha; Phongsali)
Chitoria naga: Masui,2025 : 210, pl.25, figs.♂,♂(Un),♀,♀(Un). (N.Laos)

[ THAILAND ]
Chiang Mai : 5♂ (incl. photo).

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[ LAOS ]
Phong Saly : 3♂ (incl. photo by H.Onodera).

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Xiang Khouang : 2♂ 1♀ (incl. photo by H.Onodera).

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The butterfly is locally not uncommon in forests at moderate elevations (900–1,200 m a.s.l.). Males are observed mud-puddling along stream banks and at puddles.

Tytler, H, 1915. Notes on Some New and Interesting Butterflies from Minipur and the Naga Hills. Part II.
Journal of the Bombay natural History Society, 23(3): 502–515.

Miyata, T. & Hanafusa, H, 1994. Newly recorded butterflies from North Thailand (Lepidoptera: Nymphalidae).
Futao, 17: 1–2, pl. 4.

Yoshino, K, 1999. New Butterflies from China 5
Neo Lepidoptera, 4: 1–10.

Masui, A, 2004. A revision on Chitoria sordida and C.naga (Lepidoptera, Nymphalidae).
Tyô to Ga, 55(4): 243–250.

♂, Chiang Mai, Thailand.	♂, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.	♂, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.	♂, Phong Saly, Laos. (photo by K.Phongpiyamit)

2007.09.20 - 2026.06.30.