♂, Houaphan, Laos. (photo by K.Saito)		♂, Lao Cai, Vietnam. (photo by K.Saito)

ON : Euthalia pacifica masaokai Yokochi, 2005 OD : Trans. lepid. Soc. Japan 56(1):9, figs.5(HT,♂), 6(HT,♂Un), 7(PT,♀), 8(PT,♀Un). TL : Xamneua, N.Laos. (♂, in coll. T.Yokochi) Distribution : Laos, N.Vietman, S.Yunnan.

Holotype ♂, 18.Jun.2000. Xamneua, N.Laos. (in coll. T.Yokochi)
Paratypes : same locality as the holotype. 25♂ 7♀ (in.coll. T.Yokochi ; J.Uehara)

[ LAOS ]
Euthalia pacifica ; Masui & Uehara,2004 : 24, figs.4a♂,4b♀. (Xam Neua)
Euthalia masaokai ; Nakamura & Wakahara,2012 : 46.

[ VIETNAM ]
Euthalia masaokai ; Saito & Inayoshi,2022b : 25, figs.20,♂,20v♂(Un). (Lao Cai: Sa Pa)

[ LAOS ]
Houaphan : 1♂.

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[ VIETNAM ]
Lao Cai : Sa Pa, 2014.06.--. 1♂ LC (KS).

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New to Vietnam.

Yokochi, T.,2005 : Descriptions of a new species and six new subspecies of the genus Euthalia (subgenus Limbusa),
with designation of lectotype of Euthalia pratti occidentalis (Lepidoptera, Nymphalidae)
Trans. lepid. Soc. Japan 56(1):6-18, 25 figs.

2021.11.30 - 2023.01.31.