♂, Chanthaburi, Thailand.		♀, Chanthaburi, Thailand.
♂, Sa Kaeo, Thailand.		♀, Chanthaburi, Thailand.
♂, Chaiyaphum, Thailand.		♀, Chanthaburi, Thailand.
♀, Chaiyaphum, Thailand.		♀, Chanthaburi, Thailand.

ON : Euthalia apicalis chula Fruhstorfer, 1905 OD : Ent. Zeit. 19(11):56, fig.6,♀. TL : Muook-Lek, Siam. Distribution : C. to S.E.Thailand. ● ssp.chula ● ssp.lioneli

[ THAILAND ]
Euthalia eriphylae chula ; Fruhstorfer,1913 : 670. (Muok Lek)
Euthalia eriphylae chula ; Godfrey,1916 : 131. (Pak Jong; Chonburi: Hup Bon)
Euthalia eriphyle [sic] chula ; Godfrey,1930 : 292. (Muak Lek; Pak Jong; Chonburi: Sriracha)
Euthalia eriphylae chula ; Pinratana,1979 : 75, figs.N129,♀,♀(Un). (Chaiyaphum; Chanthaburi; Saraburi)
Euthalia eriphylae chula ; Pinratana & Eliot,1996 : 77, pl.52, figs.140a♂,♀. ("Chiang Mai"; Chaiyaphum; Nakhon Nayok; Saraburi; Chanthaburi)
Euthalia eriphylae chula ; Ek-Amnuay,[2007] : 438, pl.193, figs.N145a♂(center),♂(right,Un),♀,♀(Un). (Chaiyaphum: Phu Khieo; Chanthaburi) (in part)
Euthalia eriphylae chula ; Ek-Amnuay,2012 : 448, pl.197, figs.N311a♂(Phu Khieo),♂(Phu Khieo,Un),♀,♀(Un). (Chanthaburi; Phu Khieo) (in part)
Euthalia eriphylae chula ; Kimura et al.,2016 : 105, figs.♂,♂(Un),♂,♂(Un),♀,♀(Un),♀,♀(Un). (Phu Khiewo; Mouk Lek; Kao Soi Dao) (in part)

[ THAILAND ]
Chaiyaphum : 2♂.

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Sa Kaeo : 1♂ 1♀ (incl. photo by A.Giudici).

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Chanthaburi : 6♂ 4♀.

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The butterfly is locally not rare in montane forest at low to moderate elevations (Alt. 300 - 700m).
I suspect that this taxon might be a subspecies of Euthalia mahadeva. However, I tentatively follow the classical classification. Further taxonomic study is needed, including DNA analysis.

Fruhstorfer, H.,1905 : Neue Rhopaloceren aus dem Indo-Australischen Gebiet.
Ent. Zeit. 19(11):55-57.

♀, Sa Kaeo, Thailand. (photo by A.Giudici)

2007.02.10 - 2021.09.30.