ON : Euthalia alpherakyi monbeigi Oberthür, 1907 OD : Bull. Soc. ent. Fr. 1907:261-262. TL : "Tsekou" [Yanmen, NW. Yunnan]. (NHML) Distribution N. Myanmar, N. Vietnam, NW. Yunnan.

Euthalia bellula uedai Yokochi, 2009 : Butterflies (Teinopalpus) 53:20, figs.1(HT,♂),2(HT,♂Un),3,♀,4,♀(Un). TL. Chudu Razi, Kachin, Myanmar. (KMNH)

monbeigi : ♂, Syntype, Rh.37227, BMNH(E)#310508, #807824, Thibet Tsekou. R.P.Dubernard. (MNHN) : Yokochi,2010 : 28, pl.16, figs.69a♂,69b♂(Un).
uedai :
Holotype ♂, 20.Jul.2006. Chudu Razi 30miles west of Kawanglangpu, E.Kachin, Myanmar, (KMNH) : Yokochi,2010 : 31, pl.25, figs.105a♂,105b♂(Un).
Paratypes : 3♂ 1♀, same locality as holotype. (in coll. T.Yokochi)

[ VIETNAM ]
Euthalia bellula ; Monastyrskii & Devyatkin,2015 : 41, pl.11, fig.44a♂,44b♂(Un). (N: Lao Cai)
Euthalia monbeigi ; Monastyrskii,2019 : 4(2):137-138, pl.72, figs.3a♂,3b♂(Un). (N: Hoang Lien; Yen Bai; Tam Dao)

This species and Euthalia bellula seem to be distributed together in N. Vietnan and they are found sympatrically in some localities.
Further taxonomic study is needed.

Oberthür, C.,1907 : Observations sur les espèces sino thibétaines du genre Euthalia et description de formes nouvelles.
Bull. Soc. ent. Fr. 1907:257-262.

Yokochi, T.,2009 : Two new subspecies of the Genus Euthalia (Subgenus Limbusa) recorded from Kachin, Myanmar (Lepidoptera, Nynmphalidae)
Butterflies (Teinopalpus) 53:20-27.

Yokochi, T.,2010 : Revision of the Subgenus Limbusa Moore,[1897] (Lepidoptera, Nymphalidae, Adoliadini)
Part 1. Systematic arranement and taxonomic list.
Bull. Kitakyushu Mus. Nat. Hist. Hum. Hist. ser.A, 8:19-67.

Yokochi, T.,2012 : Revision of the Subgenus Limbusa Moore,[1897] (Lepidoptera, Nymphalidae, Adoliadini)
Part 3. Descriptions of species (2)
Bull. Kitakyushu Mus. Nat. Hist. Hum. Hist., ser.A, 10:9-100.

2022.01.31.