♂, Ranong, Thailand.		♀, Ranong, Thailand.
♂, Ranong, Thailand.		♂, Phetchaburi, Thailand. (photo by K.Yano)

ON : Astictopterus armatus H.Druce, 1873 OD : Proc. zool. Soc. Lond. 1873(2):359, pl.33, fig.7,♂. TL : Borneo. (NHML) Distribution : P.Thailand (Phetchaburi and Southward), S.Myanmar, W.Malaysia, Borneo, Sumatra, Batoe, Sipora.

[ THAILAND ]
Kerana armata armata ; Godfrey,1930 : 371-372. (Trang: Chawng)
Kerana armata armata ; Godfrey,1932a : 275. (P)
Ancistroides armatus armatus ; Evans,1949 : 281. (P)
Ancistroides armatus armatus ; Pinratana,1985 : 63, pl.21, figs.126,♂,♀. (Ranong; Trang; Yala)
Ancistroides armatus armatus ; RDPB & DNP,2006-2008 : Butterflies in Hala-Bala Forest, fig.[♂](Un). (Narathiwat: Hala Bala) (last update: 2007.01.02 ; accessed: 2023.07.12)
Ancistroides armatus armatus ; Ek-Amnuay,[2007] : 786, pl.361, figs.H152,♂,♂(Un). (in part). (Yala)
Ancistroides armatus armatus ; Kimura et al.,2011 : 65, figs.♂,♂(Un),♀,♀(Un). (Kam Puan; Khlong Naka; Ka Chong; Than To WF.)
Ancistroides armatus armatus ; Ek-Amnuay,2012 : 840, pl.388, figs.H148,♂,♂(Un). (Yala) (in part)
Ancistroides armatus armatus ; Küppers & Janikorn,2017 : 96, figs.Abb.H-147-148. (Phang Nga)

[ THAILAND ]
Phetchaburi : 1♂.

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Ranong : 8♂ 1♀.

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Trang : 1♀.

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Yala : 2♂ (photo).

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The butterfly is locally not rare in montane forests at low to modelate elevations (Alt. 10 - 550m). Both sexes visit flowers.
Zhang et al. (2022:39) suggested that the taxon should be treated as a genus Kerana based on molecular analysis.

Druce, H.,1873 : A List of the Collections of Diurnal Lepidoptera made by Mr.Lowe in Borneo, with Descriptions of new Species.
Proc. zool. Soc. Lond. 1873(2):337-361, 2 pls.

Zhang, J., Cong, Q., Shen, J. & Grishin, N.V.,2022 : Taxonomic changes suggested by the genomic analysis of Hesperiidae (Lepidoptera)
Insecta Mundi 0921:1-135.

♂, Yala, Thailand.	♂, Yala, Thailand.

1999.09.04 - 2023.08.31.