♀, 2005.03.14, Houaphan, Laos. (photo by K.Saito)

ON : Pantoporia bieti ssp. OD : TL : Distribution : N.W.Vietnam, N.E.Laos. ● ssp. ● ssp.pinratanai ● ssp.aurantina

[ LAOS ]
Pantoporia bieti paona: Saito et al.,2011 : 50, figs.9A♀,9B♀(Un). (Xam Neua)
Pantoporia bieti paona: Nakamura & Wakahara,2012 : 45.
Pantoporia bieti paona: Inayoshi,2006–2021 : Butterflies in Indo-China, figs.1♀. (Houaphan) (30.Nov.2021 last update. 30.Sep.2026 changed.)

[ VIETNAM ]
Pantoporia bieti: Monastyrskii,2005b : 148. (Lao Cai: Van Ban)
Pantoporia bieti paona: Monastyrskii & Devyatkin,2015 : 36. (N: Lao Cai)
Pantoporia bieti paona: Monastyrskii,2019 : 4(2):51, pl.41, figs.3a♂,3b♂(Un). (N: Hoang Lien; Van Ban)
Pantoporia bieti paona: Inayoshi,2006–2021 : Butterflies in Indo-China. (by literature) (30.Nov.2021 last update. 30.Sep.2026 changed.)

[ LAOS ]
Houaphan : Xam Neua, 1♂, 2005.03.14, LC. (KS).

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The populations in N.W. Vietnam and N.E. Laos appear to represent a distinct subspecies, as suggested by Monastyrskii (2019), and differ from all other known subspecies. Further distributional and taxonomic studies are needed.

Tytler, H, 1915. Notes on some new and interesting butterflies from Manipur and the Naga Hills. Part II.
Journal of the Bombay natural History Society, 23(3): 502–515.

Eliot, J.N, 1969. An Analysis of the Eurasian and Australian Neptini (Lepidoptera: Nymphalidae).
Bulletin of the British Museum (Natural History), Entomology Supplement 15: 1–155, pls. 1–3.

Monastyrskii, A.L. & Vu, V.L, 2021. New taxa and new records of butterflies from Vietnam (Lepidoptera, Papilionoidea).
Zootaxa, 5048(4): 486–510.

Huang, H, 2026. New or little known butterflies from China - 8 (Lepidoptera: Nymphalidae, Lycaenidae et Hesperiidae).
Atalanta, 57(1/2): 107–158.

2026.09.30.