Elachista dagnirella Kaila, 1999
Elachista dagnirella Kaila, 1999b: 15 . Type locality: U.S.A., South Dakota, [Lawrence County], Hardy [Work Center], T3N R1E S30 [now Hardy Guard Station, 44.198316N 104.037155W] (Kaila 1999b: 15). Holotype ♂, in USNM.
Subgenus: Elachista; bifasciella species group.
Distribution: Nearctic. Canada (Alberta, Yukon), U.S.A. (Alaska, California, Colorado, Oregon, South Dakota, Washington).
Larval host plant(s): unknown.
Figs.: Kaila (1999b), Powell & Opler (2009).