B. parvula (Schäffer, 1896)

– Sch ӧttella parvula Schäffer, 1896: 176 AK Weber 1950; MacLean et al. 1978; Christiansen & Bellinger 1980, 1998; Fjellberg 1985; Skidmore 1995; Babenko &

Fjellberg 2006 BC Marshall et al. 1990; Skidmore 1995; Cannings & Scudder 2005; Cannings 2010 QC Rochefort 2006

General distribution: Holarctic.