ON : Celaenorrhinus ratna nujiangensis Huang, 2001 OD : Neue ent. Nachr. 51:66, pl.1, fig.1(HT,♀). TL : Longpo to Nidadan, Nujiang Valley, SE.Tibet-Yunnan border. (QEC) Distribution : N.Myanmar (Kachin), SE.Tibet, Laos.

Holotype ♀, 6.Sep.2000, Longpo to Nidadan, Nujiang Valley, SE.Tibet-Yunnan border. (QEC)

[ LAOS ]
Celaenorrhinus maculosus ssp. ; Osada, Uémura & Uehara,1999 : 221, pl.134, fig.♀. (Xam Neua)
Celaenorrhinus maculosus maculosus ; Nakamura & Wakahara,2012 : 57.
Celaenorrhinus ratna tytleri ; Inayoshi,2012-2023 : Butterflies in Indo-China. (by literature) (31.May.2023 last updated ; 31.Dec.2024 changed.),
Celaenorrhinus ratna nujiangensis ; Uehara & Masui,2024 : 11, figs.18A♂,18B♂(Un),18C-D(♂genitalia). (Xam Neua; Xiengkhouang: Phou Samsoum)

Uehara & Masui (2024) treated the population from Laos as Celaenorrhinus ratna nujiangensis. The male specimen they showed is rather strange compared to the usual nujiangensis, but I have tentatively followed them here. Further taxonomic study is needed.

Evans, W.H.,1926 : The Identification of Indian butterflies. Part.IX.
J. Bombay nat. Hist. Soc. 31(1):49-83, pl.30.

Evans, W.H.,1949 : A catalogue of the Hesperiidae from Europe, Asia and Australia in the British Museum (Natural History).
i-xix+1-502, pls.1-35. London.

Devyatkin, A.L.,2000 : Hesperiidae of Vietnam 8.
Three new species of Celaenorrhinus Hübner, 1819, with notes on the C.maculosa (C.& R.Felder, [1897]) - oscula Evans, 1949 group (Lepidoptera, Hesperiidae)
Atalanta 31(1/2):205-211, col.pl.XVb.

Huang, H.,2001 : Report of H. Huang's 2000 Expedition to SE.Tibet for Rhopalocera.
Neue ent. Nachr. 51:65-152.

Huang, H.,2003 : A list of butterflies collected from Nujiang (Lou Tse Kiang) and Dulongjiang, China with descriptions of new species, new subspecies, and revisional notes (Lepidoptera, Rhopalocera).
Neue ent. Nachr. 55:3-114.

2024.12.31.