♂, Ranong, Thailand.		♀, Ranong, Thailand.
♂, Yala, Thailand.		♀, Yala, Thailand.

ON : Astictopterus gemmifer Butler, 1879 OD : Trans. linn. Soc. London (Zoology) 1(8): 555. TL : "Malacca" [W.Malaysia]. (NHML) Distribution : S.Myanmar, P.Thailand (South from Chumphon), W.Malaysia, Tioman, {Singapore}, Sumatra, Batoe, Natuna.

[ THAILAND ]
Ancistroides gemmifer gemmifer ; Evans,1949 : 281. (P)
Ancistroides gemmifer gemmifer ; Pinratana,1985 : 63, pl.21, fig.127,♂. (Ranong)
Ancistroides gemmifer gemmifer ; Kimura,1997 ; 41, pl.3, figs.53,♀,54,♀(Un). (Trang: Ka Chong)
Ancistroides gemmifer gemmifer ; Ek-Amnuay,[2007] : 786, pl.361, figs.H153,♂,♂(Un). (Ranong)
Ancistroides gemmifer gemmifer ; Kimura et al.,2011 : 65, figs.♂,♂(Un),♀,♀(Un). (Ranong Hot Spring; Kam Puan; Khlong Naka; Ka Chong; Than To WF.)
Ancistroides gemmifer gemmifer ; Ek-Amnuay,2012 : 840, pl.388, figs.H149,♂,♂(Un). (Ranong)
Ancistroides gemmifer gemmifer ; Küppers & Janikorn,2017 : 96-97, figs.Abb.H-149-152. (Phang Nga)
Ancistroides gemmifer gemmifer ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2023- : Butterflies of Thailand, fig. (Chumphon) (accessed: 2023.08.04)

[ THAILAND ]
Ranong : 10♂ 2♀.

Jan

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May

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Sep

Oct

Nov

Dec

Phang Nga : 1♂.

Jan

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Mar

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Krabi : 1♀.

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Trang: 2♂ 2♀.

Jan

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Yala : 2♂ 1♀ (incl. photo).

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The butterfly is locally not rare in montane forests at low elevations (Alt. 30 - 400m). Both sexes visit flowers.
Zhang et al. (2022: 39) suggested that the taxon should be treated as a genus Kerana based on molecular analysis.

Butler, A.G.,1879 : The Butterflies of Malacca.
Trans. linn. Soc. London (Zoology) 1(8): 533-568, pls.68,69.

Evans, W.H.,1949 : A catalogue of the Hesperiidae from Europe, Asia and Australia in the British Museum (Natural History).
i-xix + 1-502, pls.1-35. London.

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.