Elachista tanaella Aarvik & Berggren, 2004: 84. Type locality: Norway, FN Tana, Faccabaeljåkka (Aarvik & Berggren 2004: 84). Holotype ♂, in ZMUO.
Subgenus: Elachista; bifasciella species group.
Distribution: Palearctic. Norway.
Larval host plant(s): unknown.
Figs.: Aarvik & Berggren (2004).