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

ON : Astictopterus stellifer Butler, 1879 OD : Trans. linn. Soc. London (Zoology) 1(8):555. TL : "Malacca" [Malacca, W.Malaysia]. (NHML) Distribution : S.Myanmar, Thailand, Laos, Langkawi, W.Malaysia, Tioman, Singapore, Borneo, Sumatra, Nias, Java, Batoe, Mentawai.

Koruthaialos niasicus Fruhstorfer, 1910 : Deut. ent. Zeit. [Iris] 24(5):91-92. TL. Insel Nias. (NHML)

[ THAILAND ]
Iambrix stellifer ; Godfrey,1930 : 369. (Me Wong; Bangnara; Nakhon Sri Thammarat)
Iambrix stellifer ; Evans,1949 : 272. (Siam)
Iambrix stellifer ; Pinratana,1985 : 60, pl.20, figs.118,♀,♂(Un). (Ranong; Phang Nga; Yala)
Iambrix stellifer ; Kimura et al.,2011 : 62, figs.♂,♂(Un),♀,♀(Un). (Sai York Noi; Ranong Hot Spring; Kam Puan; Muang Shone; Khlong Naka; Kao Luang; Ka Chong; Than To WF.)
Iambrix stellifer ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Phetchaburi; Yala) (accessed: 2023.08.03)
Iambrix stellifer ; Küppers & Janikorn,2017 : 91-92, figs.Abb.H-131-132. (Phang Nga)

[ LAOS ]
Iambrix stellifer ; Motono & Negishi,1989 : 81, pl.114, figs.A5,♀,A6,♀(Un). (Vientiane)
Iambrix stellifer ; Osada, Uémura & Uehara,1999 : 223, pl.139, fig.♂(Un). (Phong Si)
Iambrix stellifer ; Nimura & Wakahara,2005 : 49. (Namdhua)
Iambrix stellifer ; Nakamura & Wakahara,2012 : 59.
Iambrix stellifer ; Onodera,2022 : 116, pl.252, figs.♂,♂(Un),♂,♂(Un). (Bolikhamxai: Thabok)

[ THAILAND ]
Mae Hong Son : 1♂.

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Nan : 1♂.

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Tak : 1♂.

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Ranong : 6♂.

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Nakhon Si Thammarat : 1♂.

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Satun : 1♂.

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Yala : 4♂ 1♀ (incl. photo).

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[ LAOS ]
Bolikhamxai : 1♂ (photo by H.Onodera).

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The butterfly is locally not rare in secondary and montane forests at low to moderate elevations (Alt. 10 - 1000m) and is often found at forest edges. Both sexes visit flowers.

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

Fruhstorfer, H.,1910 : Neue Hesperiden des Indo-Malayischen Faunengebietes und Besprechung verwandter Formen.
Deut. ent. Zeit. [Iris] 24(5):75-104. (1.May.1910)

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.

♂, Yala, Thailand.

1999.09.04 - 2023.08.31.