Perittia piperatella (Staudinger, 1859)
Elachista piperatella Staudinger, 1859: 256 . Type locality: Spain, Granada (Staudinger 1859: 256). Lectotype ♂ designated by Nielsen & Traugott-Olsen (1978a: 5), in ZMHB.
Perittia piperatella: Kaila (1999a: 163) .
Mendesia joannisiella Mendes, 1909: 65 . Type locality: Portugal, Beira Baixa, Serra da Guardunha (Mendes 1909: 65). Lectotype ♂ designated by Nielsen & Traugott-Olsen (1978a: 5), in NHMUK. Synonymized by Nielsen & Traugott-Olsen (1978a: 5).
Polymetis piperatella: Nielsen & Traugott-Olsen (1978a: 5) .
Mendesia piperatella: Traugott-Olsen (1995a: 161) .
‡ Mendesia joanisiella; misspelling (Traugott-Olsen 1995a: 161).
Distribution: Palearctic. Portugal, Spain.
Larval host plant(s): Cistus ladanifer L. ( Cistaceae) (Mendes 1909).
Figs.: Nielsen & Traugott-Olsen (1978a), Traugott-Olsen (1995a).