Elachista differens Parenti, 1978

Elachista differens Parenti, 1978: 22 . Type locality: France, Lot, Douelle (Parenti 1978: 22). Holotype ♂, in MRSN.

Elachista kosteri Traugott-Olsen, 1995c: 367 . Type locality: Greece, Peloponnes, Zachlorou (Traugott-Olsen 1995c: 368). Holotype in ZMAK. Syn. nov.

Subgenus: Atachia; gleichenella species group.

Distribution: Palearctic. Austria, Bulgaria, France, Germany, Greece (Crete, Rhodos, Lesvos, Samos), Switzerland.

Larval host plant(s): Carex ferruginea Scop. (Cyperaceae) (Parenti 1978).

Figs.: Parenti (1978), Traugott-Olsen (1995c), Kaila & Biesenbaum (1995), Biesenbaum (1995).

Remarks: After examination of samples collected throughout southern Europe, including females from an extensive range, there appears to be no differences between E. differens Parenti and E. kosteri Traugott-Olsen. Therefore, E. kosteri Traugott-Olsen is considered a subjective junior synonym of E. differens Parenti, syn. nov.