♀, Chanthaburi, Thailand.		♀, Kampot, Cambodia. (photo by K.Saito)

ON : Erites falcipennis ssp. OD : TL : Distribution : S.E.Thailand, Cambodia. ● ssp.falcipennis ● ssp.

Erites falcipennis prasiti Ek-Amnuay, [2007] : Butts. Thailand: 288, pl.116, figs.S82b, 'Ranong' ♂,♂(Un). Loc. Chanthaburi ♂,♂(Un). (Unavailable name)

[ THAILAND ]
Erites medura falcipennis ; Davidson & Macbeth,1938 : 71. (Chanthaburi: Khao Sabap)
Erites falcipennis ; D'Abrera,1985 : 444, fig. Erites ? sp. (Thailand)
Erites ?falcipennis ssp. ; Pinratana,1988 : 27, pl.29, fig.75b♂. (Chanthaburi)
Erites medura rotundata ; Ek-Amnuay,[2007] : pl.115, figs.S81a♂(bottom),♂(bottom,Un). (in part)
Erites falcipennis prasiti ; Ek-Amnuay,[2007] : pl.116, figs.S81b♂,♂(Un),♂,♂(Un). (Chanthaburi; 'Ranong')
Erites falcipennis prasiti ; Uémura,2010 : 7.
Erites falcipennis prasiti ; Ek-Amnuay,2012 : 288, pl.116, figs.N117b♂,♂(Un),♂,♂(Un),♂,♂(Un). (Chanthaburi; 'Ranong')
Erites falcipennis prasiti ; Kimura et al.,2016 : 190, figs.♀,♀(Un). (Kao Soi Dao)

[ CAMBODIA ]
Erites falcipennis falcipennis ; Monastyrskii et al.,2011 : 128. (Phnom Samkos W.S.)
Erites falcipennis ; Chartier & Kosterin,2022 : 116. (Pursat)

[ THAILAND ]
Chanthaburi : 1♀.

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[ CAMBODIA ]
Kampot : 1♀.

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The butterfly is rare in montane forests at low elevations (Alt. 150 - 350m).
The populations from S.E. Thailand to Cambodia seem to be a distinct subspecies of falcipennis or a separate species. Ek-Amnuay ([2007],2012) recorded it from 'Ranong', but the locality is rather doubtful. Further taxonomic and distributional studies are needed.

Ek-Amnuay, P.,[2007] : Butterflies of Thailand. Fascinating insects vol.2. (1st edition).
Amarin Printing and Publishing Public Co., Ltd. Bangkok. 849 pp.

2007.11.10 - 2025.03.31.