ON : Lethe berdievi Monastyrskii, 2005 OD : Atalanta 36(1/2):144-145, pl.6, figs.7(HT,♂), 8(HT,♂Un), 9(PT,♀), 10(PT,♀Un). TL : N.Vietnam. (♂, NHML) Distribution : N.Vietnam.

Holotype ♂, 26.Apr.2004. Nam Xay commune, Van Van, Lao Cai, N.Vietnam. (NHML)
Paratypes : 4♂ 2♀, same locality as holotype.

[ VIETNAM ]
Lethe berdievi ; Monastyrskii,2005 : 63, pl.17, figs.4a(HT,♂),4b(HT,♂Un). (N: Van Ban)
Lethe berdievi ; Monastyrskii & Devyatkin,2015 : 22, pl.4, fig.12a(HT,♂),12b(HT,♂Un). (N: Lao Cai)

Monastyrskii, A.L.,2005 : New Taxa and new records of butterflies from Vietnam (3) (Lepidoptera, Rholalocera)
Atalanta (juli2005) 36(1/2):141-160, Col.pl.6-8.

2006.01.20 - 2022.03.31.