Origin;Nearctic Distribution;"Canada: AB, BC, NB, NF, NS, NT, QC, ON, SK, YT. USA: AZ, MA, WA, WI" "New provincial records";"CANADA, Saskatchewan, Larson Ranch, Hwy 21, 16 km S Maple Creek, 12-IX-2013, mouldy aspen log, D. Larson (DLC) 1 female; Cypress Hills Park, Center Block, fire guard: 10-IX-2013, newly cut lodgepole pine log, D. Larson (DLC, LFC) 3 males, 3 females; 8-VIII-2013, Ips tunnels in lodgepole pine (DLC) 3 males, 1 female; 26-VIII-2014, under bark of lodgepole pine (DLC) 1 male." References;"Casey 1893, Hatch 1957, Moore and Legner 1975, Klimaszewski et al. 2001, Webster et al. 2009, Klimaszewski et al. 2011, Bousquet et al. 2013"