Aeromachus dubius impha  Evans,1943
Aeromachus dubius impha ♂ Up. Aeromachus dubius impha ♂ Un. Aeromachus dubius impha ♀ Up. Aeromachus dubius impha ♀ Un.
♂, Chiang Mai, Thailand. ♀, Chiang Mai, Thailand.
Aeromachus dubius impha ♂ Up. Aeromachus dubius impha ♂ Un. Aeromachus dubius impha ♂ genitalia Aeromachus dubius impha ♂ genitalia
♂, Chiang Mai, Thailand. ♂ genitalia, Chiang Mai, Thailand.

ON : Aeromachus dubius impha Evans,1943
OD : Proc. R. ent. Soc. Lond. (B)12(7/8):100.
TL : Manipur. (♂, NHML)
Distribution : Assam to Myanmar, Thailand, Laos, Cambodia, Vietnam, Hainan, Yunnan.
Type Material Information

Type ♂, Imphal, Manipur. 2000 ft., 1911.Jun. H.C.Tytler. (NHML)

Records taken from Literature

[ THAILAND ]
Aeromachus dubius impha ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Phetchabun)
Aeromachus dubius impha ; Saito & Inayoshi,2018 : 39, figs.128,♂,♂(Un). (Chiang Mai / Nan / Phetchabun)

[ LAOS ]
Aeromachus dubius impha ; Motono & Negishi,1989 : 80, pl.112, figs.B1-4. (Nam Moh / Pakse)
Aeromachus dubius impha ; Osada, Uémura & Uehara,1999 ; 222, pl.137, fig.♂(Un), (Nam Tha)
Aeromachus dubius impha ; Nakamura & Wakahara,2012 : 58.

[ CAMBODIA ]
Aeromachus dubius ; Onodera,2008 : 60. (Mondolkiri: O Rang)

[ VIETNAM ]
Aeromachus dubius impha ; Evans,1949 : 244. (Tonkin)
Aeromachus dubius impha ; Inoué & Kawazoé,1966 ; 88, figs.75♂,76♂(Un),77♀,78♀(Un). (K-241 (Djiring and Dalat) ; Dalat ; Kontum)
Aeromachus dubius impha ; Devyatkin & Monastyrskii,1999 ; 164. (N: Cao Bang)
Aeromachus dubius impha ; Monastyrskii & Devyatkin,2015 : 76. (N / C to Lam Dong)

Specimens Examined

[ THAILAND ]
Chiang Rai : 1♂.
JanFebMarAprMayJun JulAugSepOctNovDec

Chiang Mai : 14♂ 4♀ (incl. photo & photo by A.Giudici).
JanFebMarAprMayJun JulAugSepOctNovDec

Lampang : 1♂ 2♀.
JanFebMarAprMayJun JulAugSepOctNovDec

Nan : 2♂ (incl. photo).
JanFebMarAprMayJun JulAugSepOctNovDec

Phetchabun : 1♂ (photo).
JanFebMarAprMayJun JulAugSepOctNovDec

Notes

New to Thailand. The first finding is taken photo by Mr.Supat Sophonviwatkul on 27.Jun.2013 in Khao Kho dist., Phetchabun.
The butterfly is locally common in montane forest at low to moderate elevations (Alt.350m - 1200m).

Literature

Evans, W.H.,1943 : A Revision of the Genus Aeromachus de N. (Lepidoptera: Hesperiidae).
Proc. R. ent. Soc. Lond. (B)12(7/8):97-101.

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.

Aeromachus dubius impha ♂ Aeromachus dubius impha ♂
♂, Chiang Mai, Thailand.
Aeromachus dubius impha ♂ Aeromachus dubius impha ♂
♂, Nan, Thailand. ♂, Chiang Mai, Thailand.
Aeromachus dubius impha ♂
♂, Chiang Mai, Thailand.
1999.09.04 - 2019.09.30.
A Check list of Butterflies in Indo-China, Chiefly from THAILAND, LAOS & VIETNAM. Copyright © 1996- Y.Inayoshi.