♂, 2020.03.06. Tak, Thailand.		♂, 2020.03.06. Tak, Thailand.
♂, 2014.06.--. Nghe An, Vietnam. (photo by K.Saito)		♂ genitalia, Tak, Thailand.

ON : Symbrenthia silana Nicéville, 1885 OD : J. asiat. Soc. Bengal 54 Pt.II(2):117-118, pl.2, fig.19,♂. TL : Sikkim. (NZC) Distribution : Bhutan, Sikkim, Nagaland, N.Myanmar (Kachin), S.E.Tibet, W.Thailand, C.Vietnam, Hainan.

Types 1♂, 1883, Sikkim. (NZC) ; 1♀, Autumn, 1883. Buxa, Bhutan. (NZC). Sheela et al.,2019 : 250, figs.♂,♂(Un) ; 251, figs.♀,♀(Un).

[ THAILAND ]
Symbrenthia silana ; Saito & Inayoshi,2022b : 25, figs.12,♂,12v♂(Un). (Tak: Umphang Dist.)

[ VIETNAM ]
Symbrenthia silana ; Saito & Inayoshi,2018 : 31, figs.27,♂,♂(Un). (Nghe An)
Symbrenthia silana ; Monastyrskii,2019 : 4(1):115, pl.27, figs.4a♂,4b♂(Un). (C: Nghe An)

[ THAILAND ]
Tak : Umphang Dist.
2020.03.04. 1♂ A.Giudici (photo) ; 2020.03.06. 2♂ Y.Inayoshi & A.Giudici (YI).

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[ VIETNAM ]
Nghe An : Song Lam, 2014.06.--. 1♂ LC (KS).

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This is the first record from Thailand. The first finding is taken photo by Mr.Antonio Giudici on 4.Mar.2020 in Umphang Dist., Tak.
The butterfly is found around small stream in montane forest at moderate elevations and seems very local species.

Nicéville, L. de.,1885 : Descriptions of some new Indian Rhopalocera
J. asiat. Soc. Bengal 54 Pt.II(2):117-124, pl.2.

Gillham, N.W.,1956 : Symbrenthia silana de Niceville, A good species (Lepidoptera: Nymphalidae)
Psyche 63:11-13.

Lang, S. & Han, H.,2009 : Study on some nymphalid butterflies from China (Lepidoptera, Nymphalidae)
Atalanta 40(3/4):493-500.

♂ 2020.03.04. Umphang, Tak, Thailand. (photo by A.Giudici)	♂ 2020.03.06. Umphang, Tak, Thailand.

2020.03.31 - 2023.01.31.