♂, Vinh Phuc, Vietnam.

Holotype ♂, 1995.v.27, Tam Dao National Park, 1000m, Phu Tho (Vinh Phu) Prov., N.Vietnam. A.L.Monastyrskii leg. (MSU)
Paratypes : 3♂, same data as the holotype ; 1♂, the same locality, 1994.vi.18, A.L.Monastyrskii leg ; 2♂, the same locality, 1999.v.23, A.L.Monastyrskii leg ;
1♂, 1998.v.10, Pu Mat N.R., Nghe An prov., C.Vietnam. FFI expedition leg ; 2♂, 1995.v.13, 1995.v., Bu Huong N.R., Nghe An prov., C.Vietnam. Frontier leg.

[ VIETNAM ]
Halpe gamma ; Devyatkin & Monastyrskii,1999 ; 166, col.pl.12, figs.7♂,8♂(Un). (Tam Dao / Bu Huong)
Halpe gammoides ; Devyatkin,2012 ; 152. (N: Vinh Phuc, Tam Dao)
Halpe gammoides ; Monastyrskii & Devyatkin,2015 : 77, pl.17, fig.67a♂,67b♂(Un). (N: Vinh Phuc, Tam Dao ; C: Nghe An, Pu Mat ; Bu Huong)

[ VIETNAM ]
Vinh Phuc : 1♂.

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Devyatkin, A.L.,2008 : Hesperiidae of Vietnam 18.
Three new species of Halpe Moore,1878 (Lepidoptera, Hesperiidae).
Atalanta 39(1/2):292-296, col.pl.19A.

2017.08.31 - 2018.10.31.