W. similis Mills, 1934

– Willemia similis Mills, 1934: 19

AK Weber 1950; Danks 1981; Fjellberg 1985; Skidmore 1995; Babenko & Fjellberg 2006

NT Hammer 1953; Christiansen & Bellinger 1980, 1998; Rusek 1994; Skidmore 1995; Babenko & Fjellberg 2006

NU Fjellberg 1986, 1994; Babenko 1993; Babenko & Bulavintsev 1997; Babenko & Fjellberg 2006

General distribution: Holarctic.

Unplaceable records of Willemia sp.:

MB Porco et al. 2014

QC Turnbull 2014 (two species)