Sinthusa nasaka amba  (Kirby,1878)

Sinthusa nasaka amba ♂ Up. Sinthusa nasaka amba ♂ Un. Sinthusa nasaka amba ♀ Up. Sinthusa nasaka amba ♀ Un.
♂, Ranong, Thailand. ♀, Chanthaburi, Thailand.
Sinthusa nasaka amba ♂ Up. Sinthusa nasaka amba ♂ Un. Sinthusa nasaka amba ♀ Up. Sinthusa nasaka amba ♀ Un.
♂, Kanchanaburi, Thailand. ♀, Kanchanaburi, Thailand.
Sinthusa nasaka amba ♂ Up. Sinthusa nasaka amba ♂ Un. Sinthusa nasaka amba ♀ Up. Sinthusa nasaka amba ♀ Un.
♂, Tak, Thailand. ♀, Mae Hong Son, Thailand.
Sinthusa nasaka amba ♂ Up. Sinthusa nasaka amba ♂ Un. Sinthusa nasaka amba ♀ Up. Sinthusa nasaka amba ♀ Un.
♂, Champasak, Laos. ♀, Chiang Mai, Thailand.

ON : Hypolycaena amba Kirby,1878
OD : in Hewitson, Ill. diurn. Lep. Lycaenidae Suppl.: 32-33, pl.5b, figs.44,♂,45,♀,46,♂(Un).
TL : Malacca.
Distribution : S.Myanmar, Thailand, Laos, Vietnam, Langkawi, W.Malaysia,
Sumatra, Nias, Bangka, Belitung, Borneo.

Synonym

Sinthusa amboides Elwes,[1893] : Proc. zool. Soc. Lond. 1892(4):645. TL. E.Pegu ; Perak.


Records taken from Literature

[ THAILAND ]
Sinthusa nasaka amba ; Godfrey,1930 : 351-352. (Prae: Me Song forest)
Sinthusa nasaka amba ; Godfrey,1930 : 351-352. (Chonburi: Sriracha)
Sinthusa nasaka amba ; Pinratana,1981 : 146, pl.26, figs.10,♂,11,♀,12,♂(Un). (Chaiyaphum / Kanchanaburi)
Sinthusa nasaka amba ; Seki,1986 : 22. (Ranong: Kampuan)
Sinthusa nasaka amba ; Ek-Amnuay,[2007] : 708, pl.323, figs.L402,♂,♂(Un),♀. (Phu Khieo)
Sinthusa nasaka obscurata ; Ek-Amnuay,2012 : 754, pl.345, figs.L425a,♂,♂,♂(Un). (Phu Khieo / Saraburi)
Sinthusa nasaka amba ; Ek-Amnuay,2012 : 754, pl.346, figs.L425b,♂(Malaysia),♂(Malaysia,Un),♀. (Ranong)
Sinthusa nasaka obscurata ; Kimura et al.,2014 : 135, figs.♂,♂(Un),♀,♀(Un). (Phu Khiewo / Sai York Noi / Kam Puan)
Sinthusa nasaka amba ; Kimura et al.,2014 : 135, figs.♂,♂(Un),♀,♀(Un). (Kao Luang / Ka Chong / Than To WF)
Sinthusa nasaka obscurata ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs., Early Stages. (Chiang Mai / Sa Kaeo / Nakhon Nayok / Chanthaburi / Phetchaburi)

[ LAOS ]
Sinthusa nasaka amba ; Osada, Uémura & Uehara,1999 : 219. pl.127, figs.♂,♂(Un),♀,♀. (Lak Sao)
Sinthusa nasaka obscurata ; Nakamura & Wakahara,2012 : 56.

[ VIETNAM ]
Sinthusa nasaka ; Lien,2003 : 58. (Phu Quoc)
Sinthusa nasaka obscurata ; Miyazaki, Saito & Saito,[2007] : 69, figs.L-149,♂,♀. (Lam Dong: Dambri)
Sinthusa nasaka amba ; Monastyrskii & Devyatkin,2015 : 69. (N: Hai Phong / C: Quang Binh / S)


Specimens Examined

[ THAILAND ]
Mae Hong Son : 1♀.
JanFebMarAprMayJun JulAugSepOctNovDec

Chiang Mai : 5♀ (incl.photo).
JanFebMarAprMayJun JulAugSepOctNovDec

Tak : 1♂.
JanFebMarAprMayJun JulAugSepOctNovDec

Kanchanaburi : 1♂ 2♀.
JanFebMarAprMayJun JulAugSepOctNovDec

Nakhon Nayok : 1♂ (photo).
JanFebMarAprMayJun JulAugSepOctNovDec

Sa Kaeo : 1♀ (photo).
JanFebMarAprMayJun JulAugSepOctNovDec

Chanthaburi : 2♂ 1♀ (incl.photo).
JanFebMarAprMayJun JulAugSepOctNovDec

Trat : 1♀.
JanFebMarAprMayJun JulAugSepOctNovDec

Ranong : 4♂.
JanFebMarAprMayJun JulAugSepOctNovDec

Yala : 1♂ 3♀ (photo by S.Atdhabhan).
JanFebMarAprMayJun JulAugSepOctNovDec


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

Bolikhamxai : 1♀ (photo by H.Onodera).
JanFebMarAprMayJun JulAugSepOctNovDec

Champasak : 1♂.
JanFebMarAprMayJun JulAugSepOctNovDec


Notes
The butterfly is locally common in montane forest at low to moderate elevations (alt.10m - 500m) and is frequently found at the edge of the forest.
I treat all populations in Indo-China region as ssp.amba.

Literature

Hewitson, W.C.,1863-1878 : Illustrations of diurnal Lepidoptera, Lycaenidae.
London, van Vorst. x+229pp. and 14a-14h, Suppl. 1-47; pls. (108, numbered;)
1-85, 88-92, 3a,3b,3c, Suppl.I-VII, Ia, Ib, IIIa, IIIb, IVa, Va, Vb. In 8 parts.

Elwes, H.J.,[1893] : On butterflies collected by Mr. W.Doherty in the Naga and Karen Hills and Perak, Part.2.
Proc. zool. Soc. Lond. 1892(4):617-664, pls.43,44.

Fruhstorfer, H.,[1912] :
Uebersicht der Lycaeniden des Indo-Australischen Gebiets. Begrundet auf die Ausbeute und die Sammlung des Autors.
Berl. ent. Z. 56(3/4):197-272, 4 figs.

Huang, H. & J.Q. Zhu,2018 : A tentative review of the genus Sinthusa Moore,1884 from China (Lepidoptera, Lycaenidae)
Atalanta 49(1-4):143-153.

Sinthusa nasaka amba ♂ Sinthusa nasaka amba ♀
♂, Yala, Thailand. (photo by S.Atdhabhan) ♀, Yala, Thailand. (photo by S.Atdhabhan)
Sinthusa nasaka amba ♂ Sinthusa nasaka amba ♀
♂, Chanthaburi, Thailand. ♀, Sa Kaeo, Thailand.
Sinthusa nasaka amba ♂ Sinthusa nasaka amba ♀
♂, Nakhon Nayok, Thailand. ♀, Chiang Mai, Thailand.

1999.07.21 - 2020.07.31.
A Check list of Butterflies in Indo-China, Chiefly from THAILAND, LAOS & VIETNAM. Copyright © Y.Inayoshi.