♂, Yala, Thailand.		♂, Yala, Thailand.
♂, Surat Thani (Koh Phangan), Thailand. (photo by A.Giudici)		♂ genitaia, Yala, Thailand.

ON : Myrina maenala Hewitson, 1869 OD : Ill. diurn. Lep. Lycaenidae 1(4)(Suppl.): 7, pl.3, figs.85,♂(Un), 86,♂. TL : Borneo. (NHML) Distribution : P.Thailand, Langkawi, W.Malaysia, Singapore, Sumatra, Bangka, Borneo. ● ssp.moulmeia ● ssp.maenala

Horaga halba Distant, 1886 : Rhop. Malayana: 460, pl.44, fig.23. TL. Penang, Malay Peninsula.
Horaga corniculum H.H. Druce, 1895 : Proc. zool. Soc. Lond. 1895(3): 611, pl.34, figs.8,♂, ♂(Un). TL. "Kina Balu" [Kina Balu, Borneo]. (MfN)
Horaga affinis H.H. Druce, 1895 : Proc. zool. Soc. Lond. 1895(3): 611, pl.34, figs.9,♂, ♂(Un). TL. 'Kina Balu; Labuan' [Labuan, Borneo]. (MfN)

maenala ; Holotype ♂, Borneo. (NHML)
corniculum ; Lectotype ♂, Kina Balu. designated by Takanami,1986. (MfN) ; Takanami,1989 : 29, figs.A43a♂, 43b♂(Un).
affinis ; Holotype ♂, Labuan, Borneo. (MfN) ; Takanami,1989 : 29, figs.A44a♂, 44b♂(Un).

[ THAILAND ]
'Horaga syrinx moulmeina ; Ek-Amnuay,[2007] : 678, pl.310, figs.L335,♂,♂(Un). (in part)'
'Horaga amethysta purpurescens ; Ek-Amnuay,[2007] : 678, pl.310, figs.L336,♂,♂(Un),♀,♀(Un). (Ranong)'
Horaga syrinx moulmeina ; Les Day,2011-2022 : Samui Butterflies, figs.♂[♀],[♀](Un). (Koh Samui) (accessed: 2022.07.30)
'Horaga syrinx moulmeina ; Ek-Amnuay,2012 : pl.328, figs.L359,♂,♂(Un),♂,♂(Un),♀(right),♀(right,Un). (in part)'
Horaga syrinx maenala ; Saito & Inayoshi,2018 : 36, figs.83,♂,♂(Un). (Yala)
Horaga syrinx maenala ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2023- : Butterflies of Thailand, figs. (Yala) (accessed: 2023.07.04)

[ THAILAND ]
Surat Thani (Koh Phangan dist.) : 1♂ 1♀ (incl. photo by A.Giudici).

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Yala : 6♂ (incl. photo).

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The butterfly is locally common in montane forests at moderate elevations (Alt. 20 - 700m). Males are territorial on trees at hilltops and occur sympatrically with Horaga onyx sardonyx. Time of male activity is different between the two species. In syrinx from about 11:00 to 14:30 while in onyx from about 15:00 to 16:00.
Cowan (1966) treated the record from Ranong by Godfrey (1930) as ssp.moulmeina. However, the possibility of ssp.maenala is also considered and needs to be confirmed by reliable specimens.

Hewitson, W.C.,1869 : Illustrations of diurnal Lepidoptera. Part I. Lycaenidae.
1(4): 115-136, 14a-14h, supplementary 1-16, pls.47-54, 3a-3c, supplementary pls.1-5 (30.April.1869), London, John Van Voorst.

Distant, W.L.,1882-1886 : Rhopalocera Malayana : A Description of the Butterflies of the Malay Peninsula.
London, Author, Penang, Logan: xvi + 482 + [4] pp, 46 pls.

Druce, H.H.,1895 : A Monograph of the Bornean Lycaenidae
Proc. zool. Soc. Lond. 1895(3): 556-627, pl.31-34.

Cowan, C.F.,1966 : Indo-oriental Horagini (Lepidoptera : Lycaenidae).
Bull. Brit. Mus. nat. Hist. (Ent.) 18(4): 103-141, 3 pls.

Takanami, Y.,1989 : On Some Type Specimens of Lycaenidae from South East Asia (Lepidoptera).
Tyô to Ga 40(1): 23-80.

♂ (territorial behavior), Yala, Thailand.	♂ (territorial behavior), Yala, Thailand.
♂, Surat Thani (Koh Phangan), Thailand. (photo by A.Giudici)	♀, Surat Thani (Koh Phangan), Thailand. (photo by A.Giudici)

1999.07.18 - 2024.11.30.