♀, Lao Cai, Vietnam. (photo by K.Saito)

ON : Aporia agathon bifurcata Tytler, 1939 OD : J. Bombay nat. Hist. Soc. 41(2): 240. TL : "Loimwe, S.Shan States" [Loi Mwe, Shan Stete, Myanmar]. (NHML) Distribution : Myanmar (Shan State), SE.Yunnan, N.Vietnam, C. to E.China.

Aporia agaton sapaensis Funahashi, 2003 : Wallace 8: 6, pl.2, figs.n.5(HT,♂), (HT,♂Un), n.6,(PT,♀). TL. Sapa, LaoCai, N.Vietnam. (in coll. A.Funahashi)

bifurcata ;
Holotype ♂, Loimwe. (NHML) ; Yoshino,2015 : figs.11,♂, 12,♂(Un).
Paratype ♀, Loimwe. (NHML) ; Yoshino,2015 : figs.13,♀, 14,♀(Un).
sapaensis ;
Holotype ♂, Jun.1992. Sapa, LaoCai, N.Vietnam. (in coll. A.Funahashi)
Paratype : ♀, Jun.1992. Sapa, LaoCai, N.Vietnam. (in coll. A.Funahashi)

[ VIETNAM ]
Aporia agathon f. agathon ; Dubois & Vitalis,1921 : 18. (Tonkin: Chapa)
Aporia agathon agathon ; Metaye,1957 : 85. (N)
Aporia agathon ; Funahashi,2003 : 16. (Lao Cai: Sapa)
Aporia agathon sapaensis ; Monastyrskii & Devyatkin,2015 : 16. (N: Lao Cai)
Aporia agathon bifurcata ; Inayoshi,1996 - 2023 : Butterflies in Indo-China, fig.1♀. (Lao Cai) (30.Nov.2023 last updated ; 30.Apr.2025 changed.)
Aporia agathon bifurcata ; Monastyrskii,2024 : 46-47, pl.11, figs.2a♂,2b♂(Un). (N: Hoang Lien)
Aporia bifurcata ; Hu et al., 2024 : 12. (Lao Cai; Ha Giang)

[ VIETNAM ]
Lao Cai : 1♀.

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

Funahashi, A.,2003 : Description of a new subspecies of Aporia agathon Gray, 1832 from Sapa, N.Vietnam.
in Butterflies of Vietnam part.2., Descriptions of 19 New subspecies of Butterflies from Vietnam.
Wallace 8: 6, pl.2.

Yoshino, K.,2015 : Notes on Aporia agathon (Gray) (Lepidoptera: Pieridae) from N.E.India, West China and North Vietnam.
Butterfly Science 2: 25-28.

Hu, S.J., Jia, Y.Q., Zhang, X., Hsu, Y.F., Monastyrskii, A.L., Vu, V.L., Ge, S.X., Duan, K., Jiang, Z.H., Sbordini, V. & Wang, M.,2024 :
Disentangling taxonomic confusions in the Aporia agathon group using mitochondrial genomic data (Lepidoptera: Pieridae).
Insects 15(998): 1–46.

2025.04.30.