♂, Phetchabun, Thailand.		♀, Phetchabun, Thailand.

[ THAILAND ]
Lotongus calathus ; Godfrey,1930 : 377. (Prae: Me Song forest / Khanbuli) (in part)
Lotongus calathus balta ; Evans,1949 : 320. (Siam)
Lotongus calathus balta ; Pinratana,1985 : 84, pl.28, fig.180a. (Nakhon Nayok) (in part)
Lotongus calathus balta ; Kimura et al.,2011 : 82, figs.♂,♂(Un),♀,♀(Un). (Doi Suthep / Nakohn Nayok) (in part)
Lotongus calathus balta ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs, Early Stages. (Saraburi / Sa Kaeo / Phetchabun / Nakhon Nayok)

[ LAOS ]
Lotongus calathus balta ; Masui & Uehara,1997 : 6, 5, figs.21,♂,♂(Un). (Saravan)
Lotongus calathus balta ; Osada, Uémura & Uehara,1999 ; 224, pl.140, fig.♂. (Saravan)
Lotongus calathus balta ; Nakamura & Wakahara,2012 : 59.

[ VIETNAM ]
Lotongus calathus ; Godfrey,1919 : 470. (S: Daban)
Lotongus calathus balta ; Evans,1949 : 320. (Tonkin)
Lotongus calathus balta ; Inoué & Kawazoé,1970 ; 1, figs.129♂,130♂(Un),textfig.38(♂,genitalia). (Trang Bom)
Lotongus calathus balta ; Devyatkin & Monastyrskii,1999 ; 171. (Ba Na)
Lotongus calathus ; Vu,2003 : 59. (Phu Quoc)
Lotongus calathus ; Monastyrskii et al.,2006 : 45. (Thua Thien Hue: Huong Thuy ; Phong Dien ; Bach Ma)
Lotongus calathus balta ; Miyazaki, Saito & Saito,2007b ; 14, fig.H-87,♂. (Lam Dong: Dambri ; Dai Duc Me)
Lotongus calathus balta ; Monastyrskii & Devyatkin,2015 : 81. (N / C / S)

[ THAILAND ]
Phetchabun : 3♂ 1♀ (incl.photo).

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Chaiyaphum : 1♀ (photo).

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Nakhon Nayok : 1♂ 1♀ (photo by M.Hayashi).

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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.

♂, Phetchabun, Thailand.	♀, Phetchabun, Thailand.
♀, Phetchabun, Thailand.	♀, Chaiyaphum, Thailand.