♂, Yala, Thailand.		♀, Nakhon Si Thammarat, Thailand. (photo by E.Ikari)
♂, Yala, Thailand.		♀, Surat Thani, Thailand. (photo by A.Guidici)
♂, Yala, Thailand.		♂ genitalia, Yala, Thailand.

ON : Horaga moulmeina sardonyx Frunstorfer,1914 OD : Deut. ent. Z. Iris 28(1):33. TL : Mt.Battak, N.E.Sumatra. (♂, NHML) Distribution : P.Thailand (Surat Thani and Southward), W.Malaysia, Singapore, Sumatra, Borneo, Bangka. ● ssp.onyx ● ssp.sardonyx

sardonyx  ; Holotype ♂, N.E.Sumatra. (NHML)

[ THAILAND ]
Horaga onyx onyx ; Les Day,2011- : Samui Butterflies, fig. (Koh Samui)
Horaga onyx sardonyx ; Saito & Inayoshi,2018 : 36, figs.82,♂,♂(Un). (Yala)

[ THAILAND ]
Surat Thani (Koh Phangan dist.) : 1♀.

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Nakhon Si Thammarat : 1♀.

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Yala : 4♂.

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The butterfly is locally common in montane forest at low to moderate elevationas (alt.150m - 700m). It is frequently found on the hilltops and occurs sympatrically with Horaga syrinx maenala in Yala. 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.

Fruhstorfer, H.,1914 : Neue Lycaenidae.
Deut. ent. Zeit. [Iris] 28(1):33-35.

♂, Yala, Thailand.

1999.07.18 - 2021.10.31.