♂, Yala, Thailand.		♀, Yala, Thailand.
♂, Yala, Thailand.		♀, Yala, Thailand.
♂ genitalia, Yala, Thailand.

♂, Chanthaburi, Thailand.		♀, Chanthaburi, Thailand.

ON : Allotinus horsfieldi permagnus Fruhstorfer, 1913 OD : Z. wiss. InsektBiol. 9(11):344. TL : Sumatra. (♂, NHML) Distribution : S.E. & P.Thailand, Langkawi, W.Malaysia, Tioman, {Singapore}, Borneo, Sumatra, Bangka, Batu.

Allotinus horsfieldi nessus Corbet, 1939 : Trans. R. ent. Soc. Lond. 89(5):72-73. TL. Perak, Malay Pen. (♂, NHML)

permagnus ; Lectotype 1♂, W.Sumatra. (NHML)
nessus ; Holotype ♂, Allotype ♀, Jan.-Feb.1890. Perak, Malay Peninsula. W.Doherty (NHML)

[ THAILAND ]
Allotinus horsfieldi ; Pendlebury,1923 : 43. (Nakhon Sri Thammarat: Khao Ram)
Allotinus horsfieldi nessus ; Pinratana,1981 : 30, pl.5, fig.9,♂. (Yala)
Allotinus horsfieldi permagnus ; Eliot,1986 : 34. (P)
Allotinus unicolor rekkia ; Ek-Amnuay,[2007] : pl.247, figs.L40b♂,♂(Un). (in part)
Allotinus horsfieldi permagnus ; Ek-Amnuay,[2007] : 546, pl.247, figs.L41b♂,♂(Un),♀(Un). (Yala)
Allotinus unicolor unicolor ; Ek-Amnuay,2012 : pl.253, figs.L64b♂,♂(Un). (in part)
Allotinus horsfieldi permagnus ; Ek-Amnuay,2012 : 560, pl.253, figs.L65,♂,♂(Un)(Than To),♀(Un,right). (in part)
Allotinus horsfieldi permagnus ; Kimura et al.,2014 : 40, figs.♂,♂(Un),♀,♀(Un). (Thaleban; Than To WF.)
Allotinus corbeti ; Küppers & Janikorn,2020 : 126, figs.Abb.L-053-054. (Phang Nga)
Allotinus horsfieldi permagnus ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2023- : Butterflies of Thailand, figs. (Yala) (accessed: 2023.04.28)

[ THAILAND ]
Chanthaburi : 1♂ 1♀.

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Pattani : 1♂.

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Satun : 1♂ 1♀.

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Yala : 5♂ 10♀.

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The butterfly is common in primary forests at low elevations (Alt. 10 - 400m) in the Peninsular region.
The male specimen from Chanthaburi had lost its abdomen. Although I was not able to examine any genitalia, I tentatively treat it as this taxon. Further taxonomic study is needed.

Fruhstorfer, H.,1913 : Uebersicht der Gerydinae und Diagnosen neuer oder verkannter Formen (Lep., Lyc).
Z. wiss. InsektBiol. 9(8/9):242-247, 9(10):307-310, 9(11):341-344, 9(12):367-371.

Corbet, A.S.,1939 : A Revision of the Malayan Species of Allotinus Felder and Felder (Lepidoptera: Lycaenidae).
Trans. R. ent. Soc. Lond. 89(5):63-77, 1 pl, 23 figs.

Eliot, J.N.,1986 : A review of the Miletini (Lepidoptera: Lycaenidae)
Bull. Br. Mus. nat. Hist. (Ent.) 53(1):1-105, 108 figs.

1999.07.24 - 2023.09.30.