Perittia cygnodiella (Busck, 1921)

Aphelosetia cygnodiella Busck, 1921: 280 . Type locality: Canada, British Columbia, Victoria (Busck 1921: 280). Holotype ♂, in CNC.

Perittia cygnodiella: Kaila (1995: 210) .

Perittia clarkei Traugott-Olsen, 1995b: 266 . Type locality: U.S.A., Washington, Wawawai (Traugott-Olsen 1995b: 267). Holotype ♂, in USNM. Synonymized by Kaila (1999a: 163).

Onceroptila cygnodiella: Braun (1948: 11) .

Distribution: Nearctic. Canada (Alberta, British Columbia, Saskatchewan). U.S.A. (California, Washington).

Larval host plant(s): Symphoricarpos rivularis Suksdorf (Caprifoliaceae) (Powell & Opler 2009).

Figs.: Wagner (1987), Kaila (1995), Traugott-Olsen (1995b), Powell & Opler (2009).