♂, 1993.02.20. Mae Hong Son, Thailand.		♂, 2003.01.03. Dambri, Bao Loc, Vietnam. (photo by K.Saito)
♂, 2015.02.14. Pleiku, Gia Lai, Vietnam. (photo by K.Saito)		♂ genitalia, Mae Hong Son, Thailand.

Holotype ♂, 1995.x.11, B.Hang, Xainabouli. J.Uehara leg. (KMNH)
Paratypes : 4♂, same locality as holotype, 11,12,12,12.x.1995. (in coll. J.Uehara) ; 1♂, 1994.x. Nakok, Thakhek, C.Laos. (in coll. J.Uehara) ;
2♂, Thabok, C.Laos, 1995.vii.6, 1997.vi.6. (in coll. J.Uehara) ; 1♀, 1997.ix.12, Phong Si, C.Laos. (in coll. J.Uehara) ;
2♂, 2003.x.15. Nahin Pass, C.Laos. (in coll. K.Maruyama) ; 2♂, 2003.x.13. Nahin Pass, C.Laos. (in coll. K.Maruyama) ;
2♂, 2003.x.16. Viang Thone, C.Laos. (in coll. K.Maruyama) ; 1♂, Nakhai to Lak Sao, C.Laos. (in coll. K.Maruyama) ;
1♂, 2006.v.3. Near Ban Lat Khoay, C.Laos. (in coll. K.Maruyama)

[ THAILAND ]
Halpe lao ; Saito & Inayoshi,2018 : 40, fig.135,♂,♂(Un). (Mae Hong Son)

[ VIETNAM ]
Halpe lao ; Saito & Inayoshi,2018 : 40, fig.136,♂,♂(Un). (Gia Lai)

[ THAILAND ]
Mae Hong Son : Mae Hong Son dist. 1993.02.20. 2♂, LC (YI)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[ VIETNAM ]
Gia Lai : Pleiku. 2015.02.14. 1♂, T.Miyagawa (KS).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Bao Loc : Dambri pass. 2003.01.03. 1♂, K.Saito (KS)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

First record from Thailand and Vietnam.
This species is distinguishable from Halpe arcuata by only examination of the male genitalia.

Uehara, J. & K.Maruyama,2016 :
The revision of Halpe arcuata group and description of two new species of Halpe Moore,1878 (Lepidoptera, Hesperiidae) from Indochina.
Butterflies 73:19-24.

2017.08.31 - 2019.01.31.