♂, Ha Giang, Vietnam. (photo by A.M.Cotton)		♀, Ha Giang, Vietnam. (photo by A.M.Cotton)
♂, Ha Giang, Vietnam. (photo by A.M.Cotton)		♀, Ha Giang, Vietnam. (photo by A.M.Cotton)
♂, Ha Giang, Vietnam. (photo by A.M.Cotton)		♂, Ha Giang, Vietnam.(photo by A.M.Cotton)

ON : Papilio polytes latreilloides Yoshino, 2018 OD : Butterfly Science 12: 69-70, figs.1(HT,♂), 2(HT,♂Un), 3(PT,♂), 4(PT,♂Un). TL : Weixi County, N.Yunnan. (It will be preserved in the KMNH) Distribution : C. to W.Yunnan, N.Vietnam. ● ssp.romulus ● hybrid zone of latreilloides and polytes

Papilio polytes yunnana Mell, 1938 : Deut. ent. Zeit. [Iris] 1938(2): 313-314. TL. "Yunnan, Taligebiet, Mitu und Chipikuan bei Yunnanfu" [Dali mountains, Midu and Bijiguan near Kunming, Yunnan]. (homonym)
Papilio polytes latoreilloides Yoshino, 2018 : Butterfly Science 12: 71. (IOS)
Papilio polytes latrelloides Yoshino, 2018 : Butterfly Science 12: 72. (IOS)
Papilio polytes latreilioides Yoshino, 2018 : Butterfly Science 12: 72. (IOS)

latreilloides ;
Holotype ♂, 12.May.1999. Weixi County 2500m, N.Yunnan, China. (It will be preserved in the KMNH)
Paratypes : 2♂, May.2002. Dali, 2000m, N.Yunnan, China. (in coll. K.Yoshino)

[ VIETNAM ]
Papilio polytes polytes ; Monastyrskii,2007 : 59-61, pl.15, fig.a♂(f. borealis). (N) (in part)
Papilio polytes polytes ; Monastyrskii & Devyatkin,2015 : 13. (N)
Papilio polytes polytes ; Inayoshi,2008-2021 : on website (21.Jun.2014 last updated ; 31.Mar.2022 changed.), figs.4♂ 2♀ (Ha Giang) (in part)
Papilio polytes latreilloides ; Yoshino,2018 : 72. (N: Hagiang)

[ VIETNAM ]
Ha Giang : 6♂ 3♀.

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Both ssp.polytes and ssp.latreilloides have been obtained sympatrically in some parts of Yunnan, China to Ha Giang, N. Vietnam. Some specimens seem to be intermediate between them, suggesting a hybrid zone. The population in Ha Giang has variable and unstable hindwing markings.
I tentatively treat it as ssp.latreilloides, however the taxon latreilloides may be a synonym of ssp.thibetanus. Further taxonomic study is needed.

Oberthür, C.,1886 : Nouveaux Lépidoptères du Thibet.
Étud. ent. 11: 13-38, pls.1-7.

Mell, R.,1938 : Beiträge zur Fauna sinica. XVII. Inventur und ökologisches Material zu einer Biologie der südchinesischen Lepidopteren).
Deut. ent. Zeit. [Iris] 1938(2): 197-345.

Yoshino, K.,2018 : Description of Two New Subspecies of Papilio polytes (Papilionidae) from Southwest China and a New Subspecies of Delias acalis (Pieridae) from Hainan Island, South China.
Butterfly Science 12: 69-75.

2022.03.31 - 2023.11.30.