Elachista arena Kaila, 1997
Elachista arena Kaila, 1997: 15 . Type locality: U.S.A., Nevada, Lander County, Toiyabe National Forest (Kaila 1997: 15). Holotype ♂, in USNM.
Subgenus: Dibrachia .
Distribution: Nearctic. U.S.A. (Nevada).
Larval host plant(s): unknown.
Figs.: Kaila (1997).
Remarks: Kaila (1997) placed E. arena at the argentella species group in sg. Aphelosetia . The present placement follows Kaila & Sugisima (2011).