♂, Nan, Thailand.		♀, Nan, Thailand.
♂, Nakhon Nayok, Thailand. (photo by S.Sophonviwatkul)		♀, Chiang Mai, Thailand.
♀, Lak Sao, Laos.		♀ (sutthai), Chiang Mai, Thailand.
♂ genitalia, Nan, Thailand.

ON : Hypolycaena grotei Moore, 1884 OD : Proc. zool. Soc. Lond. 1883(4):527, pl.49, fig.5. TL : N.E.Bengal. Distribution : Sikkim to Myanmar, Thailand, Laos. ● ssp.grotei ● ssp.sophonisbe ● ssp.margala

Sinthusa chandrana grotei ♀v. albidus Evans, 1925 : J. Bombay nat. Hist. Soc. 30(4):774. TL. Sikkim-Burma. (♀)
Sinthusa chandrana grotei ♀v. rubidus Evans, 1925 : J. Bombay nat. Hist. Soc. 30(4):774. TL. Sikkim-Burma. (♀)
Sinthusa chandrana sutthai Ek-Amnuay, [2007] : Butts. Thailand : 708, pl.324, fig.L403b♀,♀(Un). TL. Doi Pha Hom Pok, Thailand. (♀) (unavailable name)

[ THAILAND ]
Sinthusa chandrana grotei ; Pinratana,1981 : 146, pl.26, figs.13,♂,14,♀,15,♂(Un). (Chiang Mai; Chaiyaphum)
Sinthusa chandrana grotei ; Ek-Amnuay,[2007] : 708, pl.324, figs.L403a♂,♂(Un),♀,♀(Un). (Chiang Mai; Doi Phu Kha)
Sinthusa chandrana grotei ; Ek-Amnuay,2012 : 754, pl.346, figs.L426,♂,♂(Un),♀,♀(Un),♀,♀(Un). (Chiang Mai; Doi Phu Kha)
Sinthusa chandrana grotei ; Kimura et al.,2014 : 135, figs.♂,♂(Un),♂,♂(Un),♀,♀(Un),♀,♀(Un). (Doi Suthep; Doi Inthanon; Phu Kradung; Phu Khiewo; Doi Musso)
Sinthusa chandrana grotei ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Chiang Mai; Phetchabun; Kanchanaburi; Nakhon Nayok) (accessed: 2023.09.02)

[ LAOS ]
Sinthusa chandrana grotei ; Osada, Uémura & Uehara,1999 : 219. pl.127, figs.♂,♂(Un),♀,♀. (Lak Sao; Ban Ban; Xam Neua)
Sinthusa chandrana grotei ; Onodera,2009b : 37. (Houaphan: Phu Phan)
Sinthusa chandrana grotei f.sutthai ; Nakamura & Wakahara,2012 : 56, pl.24, figs.Ly-266,♀,♀(Un). (Phou Pan)
Sinthusa chandrana grotei ; Onodera,2022 : 97, pl.231, figs.♂,♂(Un),♀,♀(Un),♀,♀(Un). (Bolikhamxai: Lak Sao; Houaphan: Xam Neua; Xiengkhouang: Phou Samsoum)

[ THAILAND ]
Chiang Mai : 7♀.

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Nan : 3♂ 1♀ (1♂ genitalia dissected).

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Nakhon Nayok : 1♂ 2♀ (photo & photo by S.Sophonviwatkul, M.Hayashi).

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[ LAOS ]
Xieng Khouang : 1♀ (photo by H.Onodera).

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Houaphan : 1♀ (photo by H.Onodera).

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Bolikhamxai : 2♂ 2♀ (incl. photo by H.Onodera).

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The butterfly is locally not rare in montane forests at low to high elevations (Alt. 400 - 2000m) and is frequently found at forest edges.
Some examples from Laos show transition to ssp.margala. The relationship between the two subspecies is still not clear. Further taxonomic study is needed.
The markings of females are rather variable. Ek-Amnuay,[2007] described taxon sutthai from N.Thailand, however this name is unavailable and it is considered to be an extreme dry season form.

Moore, F.,1884 : Descriptions of new Asiatic Diurnal Lepidoptera.
Proc. zool. Soc. Lond. 1883(4):521-535, pls.48-49.

Evans, W.H.,1925 : The Identification of Indian Butterflies. Part VIII.
J. Bombay nat. Hist. Soc. 30(4):756-776, 1 pl.

♀, Chiang Mai, Thailand.	♀, Chiang Mai, Thailand.
♀, Nakhon Nayok, Thailand.	♀, Chiang Mai, Thailand.

1999.07.21 - 2024.06.30.