Halpe species incertae sedis
Halpe sp. ♂ Up. Halpe sp. ♂ Un. Halpe sp. ♂ genitalia Halpe sp. ♂ genitalia
♂, 2021.04.--. Kon Tum, Vietnam. (photo by K.Saito) ♂ genitalia, Kon Tum, Vietnam. (photo by K.Saito)

ON : Halpe species incertae sedis
OD :
TL :
Distribution : Vietnam. 		Halpe sp. map
Records taken from Literature

[ VIETNAM ]
Halpe gamma ; Saito & Inayoshi,2023b : 55, figs.4,♂,4v♂(Un),5a-d(♂ genitalia). (Kon Tum)

Specimens Examined

[ VIETNAM ]
Kon Thum : Ngoc Linh, 2021.04.--. 1♂ (genitalia dissected), LC (KS).
JanFebMarAprMayJun JulAugSepOctNovDec

Notes

Xue et al. (2025) treated Halpe gamma as endemic to Taiwan. They also suggested that the specimen from C. Vietnam may represent a distinct species.
The butterfly is rare, only one male has been found at high elevation (Alt. 2400m). Further taxonomic study is needed.

Literature

Xue, G.X., Li, M., Liu, Z.F., Li, J.L. & Wang, H.M.,2025 : Description of two new cryptic species related to Halpe gamma Evans, 1937 from China (Hesperiidae, Hesperiinae).
Zootaxa 5660(2): 279–289.

2025.07.31
A Check list of Butterflies in Indo-China, Chiefly from THAILAND, LAOS & VIETNAM. Copyright © 1996- Y.Inayoshi.