♂, Mae Hong Son, Thailand.		♂, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.		♂, 2012.07.01. Dak Cheung, Sekong, Laos.
♂, Chiang Mai, Thailand.		♂ genitalia, Chiang Mai, Thailand.

ON : Baoris cahira sirius Evans, 1926 OD : J. Bombay nat. Hist. Soc. 31(3):633. TL : 'Karens [Kayah State, Myanmar] to Dawnas [Dawna Range, Myanmar]' [Kayah State, Myanmar]. (NHML) Distribution : Nepal, Assam, Manipur, Myanmar (Kayah State; Dawna Range), Thailand, Laos, Vietnam.

Baoris sirius sirina Evans, 1932 : Ident. Indian Butts. (2nd ed.) : 412. TL. "Manipur" [Manipur, NE.India]. (NHML)

sirius : Type, ♂, Karens. (NHML) ; Huang,2011 : figs.3,♂, 4,♂(Un).

[ THAILAND ]
Baoris sirius sirius ; Davidson & Macbeth,1938 : 93.
Caltoris sirius sirius ; Evans,1949 : 451. (Siam)
Caltoris sirius sirius ; Pinratana,1985 : 113. not fig. (no loc.)
'Caltoris sirius sirius ; Ek-Amnuay,[2007] : 842, pl.387, fig.H300,♂(Un,Malaysia). [from Eliot,1992]'
Caltoris bromus bromus ; Ek-Amnuay,[2007] : 842, pl.387, figs.H303,♂,♂(Un). (Chiang Mai)
Caltoris sirius sirius ; Kimura et al.,2011 : 106. (by literature)
'Caltoris sirius sirius ; Ek-Amnuay,2012 : 906, pl.419, figs.H297,♂(Un,Malaysia). [from Eliot,1992]'
Caltoris bromus bromus ; Ek-Amnuay,2012 : 906, pl.419, figs.H300,♂,♂(Un). (Chiang Mai)

[ VIETNAM ]
Caltoris sirius sirius ; Evans,1949 : 451. (Tonkin)
Caltoris sirius sirius ; Devyatkin & Monastyrskii,1999 : 179. (Tam Dao; Ba Vi; Vu Quang)
Caltoris sirius sirius ; Luong et al.,2004 : 15. (Cuc Phuong)
Caltoris sirius sirius ; Miyazaki, Saito & Saito,2007b : 17, fig.H-127,♂. (Lam Dong: Dambri)
Caltoris sirius sirius ; Monastyrskii & Devyatkin,2015 : 84. (N / C: to Khanh Hoa)

[ THAILAND ]
Mae Hong Son : 3♂ ; Mae Hong Son dist.

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Chiang Mai : 14♂ 1♀ (incl. photo) ; Fang dist ; Mae On dist ; Chom Thong dist ; Omkoi dist.

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Tak : 1♂.

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Dec

[ LAOS ]
Sekong : Dak Cheung. 1♂. 2012.07.01. K.Phongpiyamit (YI)

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New to Laos.
The butterfly is locally common in montane forests at moderate to high elevations (Alt. 700 - 1800m).
In the specimens from N. Thailand, the white spots on the UpF are very variable. Some specimens have reduced markings, lack white spots in space 1b and upper cell spot. The specimen shown in Ek-Amnuay ([2007],2012) is ssp.fusca from W. Malaysia and is not confirmed in Thailand.

Evans, W.H.,1926 : The Identification of Indian Butterflies (11).
J. Bombay nat. Hist. Soc. 31(3):615-637, pl.32.

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.

Huang, H.,2011 : Notes on the genera Caltoris Swinhoe, 1893 and Baoris Moore, [1881] from China (Lepidoptera, Hesperiidae).
Atalanta 42(1-4):201-220.

♂, Chiang Mai, Thailand.

2018.08.31 - 2025.01.31.