♂, Nakhon Nayok, Thailand.

[ THAILAND ]
Isma protoclea ; Godfrey,1916 : 144. (Chonburi: Hup Bon)
Isma protoclea ; Godfrey,1930 : 375. (Chonburi: Hup Bon)
Isma obscura bicolor ; Pinratana,1985 : 75, pl.25, fig.157a. (Nakhon Nayok / Chanthaburi)
Isma protoclea bicolor ; Kimura et al.,2011 : 76, fig.♂,♂(Un). (Kao Yai / Kao Soi Dao / Kratching WF)
Isma protoclea bicolor ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Chanthaburi / Phetchabun / Nakhon Nayok)

[ THAILAND ]
Nakhon Nayok : 1♂.

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Evans, W.H.,1926 : The Identification of Indian Butterflies (9-11)
J. Bombay nat. Hist. Soc. 31(1):49-83, pl.30 ; (2):427-446, pl.31 ; (3):615-637, pl.32.

♂, Nakhon Nayok, Thailand. (photo by S.Sophonviwatkul)