♂, Chiang Mai, Thailand.		♀, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.		♂, Chiang Mai, Thailand.

ON : Tongeia ion ssp. OD : TL : Distribution : N.Thailand (Chiang Mai prov.), Laos.

[ THAILAND ]
Shijima moorei  ssp. ; Pinratana,1981 : 48, 164, pl.7, figs.21,♂,22,♂(Un). (Chiang Mai)
Tongeia ion ; Morishita,1994 : 123, fig.7,♂(Un). (Chiang Mai: Doi Suthep)
Tongeia ion ; Ek-Amnuay,[2007] : 560, pl.253, fig.L77,♂(Un). (no loc.)
Tongeia ion ssp. ; Ek-Amnuay,2012 : 578, pl.262, figs.L102,♂,♂(Un). (Chiang Dao)
Tongeia ion ion ; Kimura et al.,2014 : 184. (by literature)
Tongeia ion ion ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Chiang Mai / Ratchaburi) (accessed: 2020.11.27)

[ LAOS ]
Tongeia ion ssp. ; Nakamura & Wakahara,2012 : 51, pl.14, fig.Ly-31,♂,♂(Un). (Xaisomboune near Phou Bia)

[ THAILAND ]
Chiang Mai : 11♂ 1♀ (incl.photo & photo by S.Sophonviwatkul).

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This is quite localized species however is not rare in the habitats. The butterfly is found in montane forest at moderate elevations (alt.500m).
The population in N.Thailand has rather large black markings and obscure submarginal markings on the UnF than other taxa. Further taxonomic study is needed.

♂, Chiang Mai, Thailand.	♂, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.	♂, Chiang Mai, Thailand.

1999.06.24 - 2020.11.30.