ON : Debis sidonis Hewitson, 1863 OD : Ill. exot. Butts. 3(46): [77], pl.[39], fig.16,♂(Un). TL : North India. (NHML) Distribution : Afghanistan, NW.Himalaya, Nepal to Bhutan, Sikkim, Assam, Myanmar, S.Tibet, Yunnan, Vietnam.

Lethe vaivarta Doherty, 1886 : J. asiat. Soc. Bengal Part.II. 55(2):115-116. TL. "Dhankuri, Khati, Dwali, N.W.Kumaon; near Khela, East Kumaon" [Kumaon, Uttarakhand, N.India].
Lethe irma Evans, 1923 : J. Bombay nat. Hist. Soc. 29(2):531. TL. Gangtok, Sikkim.
Zophoessa nicevillei Evans, 1923 : J. Bombay nat. Hist. Soc. 29(2):531. TL. 'Garhwal,[Uttarakhand, N.India]; Bhutan'.

sidonis ; Syntype 1♂, Rh2612, Darjiling. (NHML)

[ VIETNAM ]
Lethe sidonis f. sidonis ; Dubois & Vitalis,1924 : 28. (Tonkin: Chapa)
Lethe sidonis f.aest. sidonis ; Metaye,1957 : 102. (N)
Lethe sidonis ; Monastyrskii & Devyatkin,2000 : 481. (Hoang Lien Son)
Lethe sidonis sidonis ; Monastyrskii,2005 : 49-50, pl.11, figs.1a♂,1b♂(Un). (N: Hoang Lien)
Lethe sidonis sidonis ; Monastyrskii & Devyatkin,2015 : 22. (N: Lao Cai)

Hewitson, W.C.,1852-1877 : Illustrations of new species of exotic Butterflies, selected chiefly from the Collections of W.Wilson Saunders and William C. Hewitson.
5 vols. John Van Voorst, London.

Doherty, W.,1886 : A list of Butterflies taken in Kumaon.
J. asiat. Soc. Bengal Part.II. 55(2):103-140.

Evans, W.H.,1923 : The Identification of Indian Butterflies. Part II.
J. Bombay nat. Hist. Soc. 29(2):519-537, pl.10-12.

Lang, S.Y.,2017 : The Nymphalidae of China (Lepidoptera, Rhopalocera), Part II. Satyrinae (partim), Satyrini (partim), Subtribes Eritina, Ragadiina, Lethina, Parargina.
Tshikolovets. Czech Rep. 200pp, 24 col + 15 b/w plates, 170 distribution maps.

1998.12.10 - 2025.02.28.