♂, 2016.05.01. Yala, Thailand.		♂, Kamphaeng Phet, Thailand. (photo by S.Sophonviwatkul)
♂, Kamphaeng Phet, Thailand. (photo by A.Giudici)		♂ genitalia, Yala, Thailand.

ON : Deudorix staudingeri H.H. Druce, 1895 OD : Proc. zool. Soc. Lond. 1895(3):621, pl.34, fig.10,♂. TL : "Labuan" [Pulau Labuan, Borneo]. (MfN) Distribution : Thailand, Langkawi, W.Malaysia, Singapore, Borneo, Nias.

staudingeri ; Lectotype ♂, Labuan, Borneo. designated by Takanami,1986 (MfN) ; Takanami,1989 : 34, figs.A77a♂, 77b♂(Un).

[ THAILAND ]
Deidprox staudingeri ; Saito & Inayoshi,2018 : 38-39, figs.116,♂,♂(Un). (Yala)
Deidprox staudingeri ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2020- : Butterflies of Thailand, figs. (Kamphaeng Phet) (accessed: 2022.10.07)

[ THAILAND ]
Kamphaeng Phet : 4♂ (incl. photo by S.Sophonviwatkul and A.Giudici), (1♂ genitalia dissected).
Pang Sila Thong Dist., 2013.08.13. 1♂ (photo by S.Sophonviwatkul).

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Yala : Betong Dist., 2016.05.01. 1♂ P.Sukkit (YI), (genitalia dissected).

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The butterfly is locally uncommon in montane forests at moderate elevations (Alt. 700 - 1400m). Males are territorial on shrubs at hilltops.
The first discovery in Thailand was a photo taken by Supat Sophonviwatkul on 13.Aug.2013 in Kamphaeng Phet, W. Thailand. And Prasobsuk Sukkit obtained a male on 01.May.2016 in Yala, P. Thailand. It seems to be distributed along the Tenasserim range from peninsular to western Thailand.

The difference between Deudorix epijarbas and Deudorix staudingeri. (♂ genitalia)
Deudorix epijarbas ♂	Deudorix staudingeri ♂	Deudorix epijarbas ♂	Deudorix staudingeri ♂

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

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

♂ (territorial behavior), 2013.08.13. Kamphaeng Phet, Thailand. (photo by S.Sophonviwatkul)
♂ (territorial behavior), 2013.08.13. Kamphaeng Phet, Thailand. (photo by S.Sophonviwatkul)

1999.07.21 - 2024.11.30.