Origin;"Palaearctic, adventive in North America; possibly introduced separately in eastern Canada and western WA" Distribution;"Canada: AB, BC, NB, NF, NS, ON, QC, SK. USA: WA; Palaearctic: Europe" "New provincial records";"CANADA, Saskatchewan, Cypress Hills Park, Center Block: Lodgepole Trail, 18-IX-2012, pine/spruce litter near stream, D. Larson (DLC) 1 male; fire guard, 29-X-2013, under fresh-cut pine slabs, D. Larson (DLC) 1 male; Sucker Creek, 1-VI-2012, under bark of recently killed aspen, D. Larson (DLC) 1 female." References;"Klimaszewski et al. 2001, 2011, Bousquet et al. 2013, Klimaszewski et al. 2015a"