Cyrestis nivea tonkiniana  Fruhstorfer,1901
Cyrestis nivea tonkiniana ♂ Up. Cyrestis nivea tonkiniana ♂ Un. Cyrestis nivea tonkiniana ♂ Up. Cyrestis nivea tonkiniana ♂ Un.
♂, Savannakhet, Laos. (photo by P.Kosierb) ♂, Savannakhet, Laos. (photo by P.Kosierb)

ON : Cyrestis nivea tonkiniana Fruhstorfer,1901
OD : Soc. ent. 16(13):98.
TL : Than-Moi, Tonkin. (MNHN)
Distribution : Laos, Vietnam, S.Yunnan, Guangxi, Hainan.

● ssp.nivalis
● ssp.tonkiniana
Cyrestis nivea map
Records taken from Literature

[ LAOS ]
Cyrestis nivea f.tonkiniana ; Dubois & Vitalis de Salvaza,1924 : 39. (Hat-Kieng)
Cyrestis nivea tonkiniana ; Motono & Negishi,1989 : 56, pl.53, figs.5,♂,6,♂(Un). (Vientiane; Tha Ngone)
Cyrestis nivea tonkiana [sic] ; Osada, Uémura & Uehara,1999 : 206, pl.51, fig.♂. (Lak Sao)
Cyrestis nivea tonkiniana ; Nakamura & Wakahara,2012 : 45.

[ VIETNAM ]
Cyrestis nivea tonkiniana ; Fruhstorfer,1912 : 576. (Tonkin: Chiem Hoa)
Cyrestis nivea tonkiniana ; Dubois & Vitalis de Salvaza,1919 : 228. (Tonkin)
Cyrestis nivea f.tonkiniana ; Dubois & Vitalis de Salvaza,1924 : 39. (Tonkin)
Cyrestis tonkiniana ; Lemee,1950 : 10. (Hagiang; Backan)
Cyrestis nivea tonkiniana ; Metaye,1957 : 95. (N)
Cyrestis nivea tonkiniana ; Metaye,1958b : 175. (Dinh Quan; Dong Nai)
Cyrestis nivea tonkiniana ; Monastyrskii & Devyatkin,2015 : 34. (N / C / S)
Cyrestis nivea tonkiniana ; Monastyrskii,2019 : 4(1):146-147, pl.32, fig.3,♂. (C: Son Thanh; Chu Yang Sin / S: Nam Cat Tien)

Specimens Examined

[ LAOS ]
Savannakhet : 2♂ (photo by P.Kosierb).
JanFebMarAprMayJun JulAugSepOctNovDec

Notes
The butterfly is locally and less common in montane forest. Further distribution research is needed.
Literature

Fruhstorfer, H.,1901 : Neue Schmetterlinge aus Tonkin.
Soc. ent. 16(13):97-99.
2007.10.10 - 2021.08.31.
A Check list of Butterflies in Indo-China, Chiefly from THAILAND, LAOS & VIETNAM. Copyright © 1996- Y.Inayoshi.