Bryodrilus librus (Nielsen & Christensen, 1959) (T)
Marionina libra Nielsen & Christensen, 1959 .
Bryodrilus librus Schmelz & Collado 2010; Shen 2012; Dózsa-Farkas 2019.
Bryodrilus parvus Nurminen 1970; Dash 1970; Xie et al. 2000b; Chen 2009; Schmelz & Collado 2010.
For a complete list of synonymies see Dózsa-Farkas et al. (2012).
Distribution and habitat. Canada (Dash 1970), Northern and Central Europe (Christensen & Dózsa-Farkas 1999; Schmelz & Collado 2010; Dózsa-Farkas et al. 2019), Siberia Arctic Archipelago (Christensen & Dózsa-Farkas 2006); Russian Far East (Degtyarev et al. 2020). Terrestrial.
Distribution in China. Jilin Province (Xie et al 2000b; Chen 2009; Lian et al. 2011; Shen 2012).
New records. Sichuan Province, alpine meadows of Zheduo Mountain, 30°04′11.90’N, 101°48′13.46’E, 4344 m asl, leg. X. Jiang, 05. 2019.