♂, Ha Giang, Vietnam. (photo by K.Saito)		♂, Ha Giang, Vietnam. (photo by K.Saito)

ON : Papilio castor dioscurus Jordan, 1909 OD : in Seitz, Grossschmett. Erde 9:45. TL : Than Moi, Tonkin. (♂, NHML) Distribution : N.Vietnam, Guangxi. ● ssp.mahadeva ● ssp.dioscurus ● ssp.kanlanpanus

Syntypes 4♂, Juni-Juli, Than Moi, Tonkin. H.Fruhstorfer (NHML, examined)

[ THAILAND ]
'Papilio castor dioscurus [Papilio castor castor] ; Ek-Amnuay,[2007] : 76, pl.9, figs.P24,♂,♂(Un). ("Chiang Mai: Doi Pha Hom Pok" [loc. err. = Kachin, Myanmar])'
'Papilio castor dioscurus ; Kimura et al.,2011 : 122. (by literature)'
'Papilio castor dioscurus [Papilio castor castor] ; Ek-Amnuay,2012 : 76, pl.9, figs.P23a♂,♂(Un). ("Chiang Mai: Doi Pha Hom Pok" [loc. err. = Kachin, Myanmar])'

[ VIETNAM ]
Papilio castor ; Fruhstorfer,1903 : 175-176. (Tonkin: Than Moi)
Papilio castor ; Dubois & Vitalis,1921 : 11. (Tonkin)
Papilio castor ab. mesites ; Dubois & Vitalis,1921 : 11. (Tonkin: Than Moi)
Papilio castor ; Lemée,1950 : 3. (Hagiang)
Papilio castor dioscurus ; Metaye,1957 : 82. (N)
Papilio castor castor ; Metaye,1957 : 82. (N)
Papilio castor castor ab.♂ mesites ; Metaye,1957 : 82. (N)
Papilio castor dioscurus ; Shinkai,1999 : 52-53. (N)
Papilio castor dioscurus ; Monastyrskii,2007 : 54-55, pl.13, figs.1a♂,1b♂(Un),1c♀. (N: Ba Be; Na Hang; Huu Lien)
Papilio castor dioscurus ; Monastyrskii & Devyatkin,2015 : 12. (N: Tuyen Quang ; Bac Can ; Lang Son)

[ VIETNAM ]
Tonkin : 4♂ (Type series).

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Ha Giang : 2♂.

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Ek-Amnuay,[2007],2012 recorded this taxon at 'Doi Pha Hom Pok, Thailand', however it is incorrect. The specimen is Papilio castor castor, caught in Kachin, Myanmar.

Jordan, K.,1909 : Die Indo-Australische Tagfalter. Papilionidae in Seitz, Grossschmett. Erde
9:41-48.

1996.10.02 - 2022.01.31.