♂, Xaignabouri, Laos.		♀, Chiang Mai, Thailand.
♂, Chiag Mai, Thailand.		♀, Nan, Thailand.
♂, Chiang Mai, Thailand.	♂, Chiang Mai, Thailand.	♂, Ha Giang, Vietnam. (photo by K.Saito)

ON : Papilio arcturus Westwood, 1842 OD : Ann. Mag. nat. Hist. (1)9:37. TL : Himalayan Mountains. Distribution : Nepal, Bhutan, India to Myanmar, Thailand, Laos, Vietnam, China.

Papilio arcturus arcturulus Fruhstorfer, 1902 : Deut ent. Zeit. [Iris] 14(2):349. TL. "Szechuan" [Sichuan], China. (♂, NHML)
Papilio arcturus [ab.] porphyrians Oberthür, 1914 : Étud. Lép. Comp. 9(2):45, pl.251, fig.2131,♂. TL. "la région sino-thibétaine, non loin de Tâ-tsien-lou" [not far from Kangding, Sichuan]. (IFS)
Papilio arcturus ab. privatus Röber, 1927 : Int. ent. Zeit. Guben 20(44):400. TL. Naga Hills. (♂, NHML) (IFS)
Papilio arcturus dawna Tytler, 1939 : J. Bombay nat. Hist. Soc. 41(2):237-238. TL. Dawna Taung ; Dawnas, [S.Myanmar]. (♂, NHML)

arcturulus ; ♂, Type (red), #149343, Szechuan, China. (NHML, examined)
porphyrians ; ♂, Type (red), #149651, 1910, Tâ-tsien-lou. (NHML, examined)
privatus ; ♂, Type HT (red), Oct.1924. Naga Hills. (NHML, examined)
dawna ; ♂, Type HT (red), 2.Jan.1926. Dawna. 5360 ft. (NHML, examined)

[ THAILAND ]
Papilio arcturus arcturus ; Godfrey,1930 : 215. (Hot Spring, Me Lamoung; Chiang Rai: Doi Chang)
Papilio arcturus arcturus ; Pinratana,1977 : 49, figs.P35,♀,♀(Un). (Chiang Mai: Doi Inthanon)
Papilio arcturus arcturus ; Pinratana & Eliot,1992 : 27,43, pl.48, fig.37,♂. (Chiang Mai)
Papilio arcturus arcturus ; Nishimura,1995 : 155-156, fig.4(map). (Nan: Doi Phu Kha; Chiang Mai: Doi Pa Hompok; Doi Chiang Dao; Doi Inthanon; Omkoi; Chiang Rai: Wiang Pa Pao; Lampang: Mae Mo)
Papilio arcturus arcturus ; Ek-Amnuay,[2007] : 96, pl.20, figs.P40,♂,♂(Un),♀,♀(Un). (Doi Pha Hom Pok; Doi Phu Kha)
Papilio arcturus dawna ; Kimura et al.,2011 : 128, figs.♂,♂(Un),♀,♀(Un). (Doi Pha Hom Pok; Doi Ankkaan; Doi Inthanon)
Papilio arcturus arcturus ; Ek-Amnuay,2012 : 96, pl.20, figs.P37,♂,♂(Un),♀,♀(Un). (Doi Pha Hom Pok; Doi Phu Kha)
Papilio arcturus arcturus ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Chiang Mai) (accessed: 2023.05.16)

[ LAOS ]
Papilio arcturus f. arcturus ; Dubois & Vitalis,1921 : 14. (Xien Khouang)
Papilio arcturus arcturus ; Osada, Uémura & Uehara,1999 : 200, pl.18, figs.♂,♂(dsf,Un),♀. (Xam Neua)
Papilio arcturus arcturus ; Cotton & Racheli,[2007] : 336-337. (Lak Sao)
Papilio arcturus dawna ; Nakamura & Wakahara,2012 : 41, pl.1, figs.Pa-34,♀,♀(Un). (Phou Samaoun)
Papilio arcturus dawna ; Onodera,2022 : 8, pl.36, figs.♂,♂(Un), pl.37, figs.♀,♀(Un). (Xiengkhouang: Phou Samsoum)

[ VIETNAM ]
Papilio arcturus arcturus ; Shinkai,1999 : 57-58. (N: Mt.Pia Oac; Sapa; Tam Dao)
Papilio arcturus ; Monastyrskii et al.,2006 : 38. (Thua Thien Hue: Bach Ma)
Papilio arcturus arcturus ; Monastyrskii,2007 : 66-67, pl.19, figs.2a♂,2b♀. (N: Hoang Lien; Van Ban; Pia Oac; Tam Dao; Dong Phuoc / C: Vu Quang; Ngoc Linh)
Papilio arcturus arcturus ; Monastyrskii & Devyatkin,2015 : 13. (N / C to Gia Lai)

[ THAILAND ]
Chiang Mai : 18♂ 12♀ (incl. photo).

Jan

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Dec

Nan : 9♂ 3♀ (incl. photo).

Jan

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Oct

Nov

Dec

[ LAOS ]
Xaignabouri : 3♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[ VIETNAM ]
Ha Giang : 1♂.

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Dec

The butterfly is locally common in montane forests at moderate to high elevations (Alt. 530 - 2500m). Both sexes visit flowers. Males form flight paths along streams or forest edges and frequently come to the banks of streams and puddles to suck water, and are territorial on hilltops.

Westwood, J.O.,1842 : Insectorum novorum Centuria, auctore Decadis quartae, ex ordine Lepidopterorum et genere Papilionis, Synopsis.
Ann. Mag. nat. Hist. (1)9:36-39.

Fruhstorfer, H.,1902 : Neue Indo-Australische Lepidopteren
Deut. ent. Zeit. [Iris] 14(2):334-350.

Oberthür, C.,1914 : Lépidoptères de la région sino-thibétaine
Étud. Lép. comp. 9(2):41-60.

Röber, J.,1927 : Neue exotische Falter.
Int. ent. Zeit. Guben 20(44):400-403.

Tytler, H.,1939 : Notes on some new and interesting butterflies chiefly from Burma. pt.1.
J. Bombay nat. Hist. Soc. 41(2):235-252.

Hu, S.J, Cotton, A.M., Lamas, G, Duan, K. & Zhang, X.,2023 : Checklist of Yunnan Papilionidae (Lepidoptera: Papilionidea) with nomenclatural notes and descriptions of new subspecies
Zootaxa 5362(1):001-069.

♂, Chiang Mai, Thailand.	♀, Nan, Thailand.
♂, Chiang Mai, Thailand.	♀, Nan, Thailand.
2♂ with paris, Chiang Mai, Thailand.	♂, Chiang Mai, Thailand.
♂ (territorial behavior), Chiang Mai, Thailand.	♀ (laying egg), Chiang Mai, Thailand.

1996.10.06 - 2023.11.30.