♂, Phrae, Thailand.		♀, Chanthaburi, Thailand.
♂, Phrae, Thailand.		♀, Lampang, Thailand.
♂, Phrae, Thailand.		♂, Phrae, Thailand.

ON : Eulepis schreiber assamensis Rothschild, 1899 OD : Novit. zool. 6: 223-224, fig.39,♂. TL : "Kashia Hills" [Khasi Hills, Meghalaya, India]. (NHML) Distribution : N.India to Myanmar, S.Yunnan, Thailand, Laos, Cambodia, Vietnam. ● ssp.assamensis ● ssp.tisamenus

Holotype ♂, Kashi Hills. designated by R.L.Smiles,1975. (NHML)
Paratypes : 1♂, Khasia Hills. designated by R.L.Smiles,1975 (NHML)
1♂, Jaintia Hills. designated by R.L.Smiles,1975 (NHML) ; 1♀, Shillong. designated by R.L.Smiles,1975. (NHML)

[ THAILAND ]
Eriboea schreiber tisamenus ; Fruhstorfer,1914 : 725. (Muak Lek)
Eriboea schreiber assamensis ; Godfrey,1932b : 326. (Petchaburi: Tung Luan)
Polyura schreiber assamensis ; Pinratana,1979 : 103, figs.N175a♂,♂(Un). (Chiang Mai; Chaiyaphum; Chonburi)
Polyura schreiber assamensis ; Smiles,1982 : 162. (Phet Buri; [Tung Luang]; Hin Lap)
Polyura schreiber assamensis ; Pinratana & Eliot,1996 : 100, pl.80, fig.196a♂. (Chiang Mai; Chaiyaphum; Chonburi)
Polyura schreiber tisamenus ; Yamaguchi, Aoki & Akiyama,2005 : 52, fig.21,♂. (Ubon Ratchathani: Phu Pung; Phu Chong Na Yoi)
Polyura schreiber assamensis ; Katsuyama et al.,2006 : 50, fig.127,♂. (Nan: Ban Nam Poon)
Polyura schreiber assamensis ; Ek-Amnuay,[2007] : 494, pl.221, figs.N209a♂,♂(Un). (Chiang Dao)
Polyura schreiber assamensis ; Ek-Amnuay,2012 : 352, pl.149, figs.N183a♂,♂(Un). (Chiang Dao; Wang Chin; Chanthaburi)
Polyura schreiber assamensis ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs, Early Stages. (Phetchabun; Nakhon Nayok; Chanthaburi; Trat) (accessed: 2024.07.11)
Polyura schreiber assamensis ; Kimura et al.,2016 : 136, figs.♂,♂(Un),♀,♀(Un). (Chiang Dao; Wang Chin; Phu Khiewo; Kao Khiewo)

[ LAOS ]
Polyura schreiber tisamenus ; Motono & Negishi,1989 : 62, col.pl.13, fig.♂ ; pl.78, figs.5,♂,6,♂(Un). (Tha Ngone; Vang Vieng)
Polyura schreiber tisamenus ; Osada, Uémura & Uehara,1999 : 208, pl.81, figs.♂,♂(Un),♀. (Boung Kuang; Boun Neua; Xaignabouri)
Polyura schreiber tisamenus ; Nimura & Wakahara,2005 : 44. (Namdhua)
Polyura schreiber tisamenus ; Onodera,2009b : 36,39. (Xieng Kouang: Muang Kham; Bolikhamxai: Thabok)
Polyura schreiber assamensis ; Nakamura & Wakahara,2012 : 47.
Polyura schreiber assamensis ; Onodera,2022 : 51, pl.150, figs.♂,♂(Un). (Bolikhamxai: Thabok)

[ CAMBODIA ]
Polyura schreiber assamensis ; Woodfield & Murton,2006 : figs,♀,♂. (Botum Sakor NP.)
Polyura schreiber assamensis ; Monastyrskii et al.,2011 : 129. (Phnom Samkos W.S.)
Polyura schreiber assamensis ; Chartier & Kosterin,2022 : 116. (Koh Kong; Pursat; Siem Reap)

[ VIETNAM ]
Eriboea schreiber tisamenus ; Fruhstorfer,1914 : 725. (Tonkin: Chiem Hoa)
Eriboea schreiberi [sic] ; Vitalis,1919 : 233. (Tonkin)
Eriboea tisamenus ; Vitalis,1919 : 233. (Tonkin)
Eriboea schreiber f. tisamenus ; Dubois & Vitalis,1924 : 47. (Tonkin: Chiem-Hoa)
Eriboea schreiber tisamenus ; Metaye,1957 : 99. (N)
Eriboea schreiber tisamenus ; Metaye,1958b : 176. (Lam Dong: Blao)
Polyura schreiber assamensis ; Smiles,1982 : 162. (Chiem Hoa)
Polyura schreiber assamensis ; Miyazaki, Saito & Saito,2006b : 35, fig.N-114,♂. (Lam Dong: Dambri; Dong Nai: Thac Mai)
Polyura schreiber assamensis ; Miyazaki et al.,2010 : 24, fig.N-114,♀. (Lam Dong: Dambri; Dong Nai: Thac Mai)
Polyura schreiber assamensis ; Monastyrskii & Devyatkin,2015 : 42. (N / C / S)
Polyura schreiber assamensis ; Monastyrskii,2019 : 4(1):84-85, pl.12, figs.2a♂,2b♂(Un),2c♀. (C: Bach Ma; Cat Loc / S: Cat Tien)

[ THAILAND ]
Chiang Mai : 12♂ (incl. photo).

Jan

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Sep

Oct

Nov

Dec

Lampang : 3♂ 1♀.

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Phrae : 4♂ 1♀ (incl. photo).

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Phetchabun : 1♂ (photo).

Jan

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Nakhon Nayok : 1♂ (photo by M.Hayashi).

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Chanthaburi : 2♀.

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[ VIETNAM ]
Kien Giang : 1♀ (photo by E.Ikari).

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The butterfly is locally common in montane forests at low to moderate elevations (Alt. 300 - 1200m). Males are territorial on canopies at hilltops. There is an old record at 'Chiem Hoa, Tonkin', but the distribution in N. Vietnam needs to be reconfirmed.

Rothschild, L.W. & Jordan, K.,1899 : A monograph of Charaxes and the allied Prionopterous genera. Part 2.
Novit. zool. 6: 220-286, pl.7.

Smiles, R.L.,1982 : The taxonomy and phylogeny of the genus Polyura Billberg (Lepidoptera: Nymphalidae).
Bull. Brit. Mus. Ent. (Nat. Hist.) 44(3): 115-237. London.

♂, Chiang Mai, Thailand.	♂, Chiang Mai, Thailand.
♂, Phetchabun, Thailand.	♂ (territorial behavior), Chiang Mai, Thailand.
♂ (territorial behavior) with P.jalysus, Chiang Mai, Thailand.

2006.12.09 - 2024.07.31.