Leptothorax paraxenus Heinze & Alloway, 1992: 195, figs. 1-4 (q.m.) CANADA (Ontario). Nearctic.

Primary type information: Primary type material: holotype queen. Primary type locality: Canada: Ontario, Halton County, Milton (nr Toronto), Brittania Road (County Road no. 6), 500 m. W of intersection with King’s Highway 25, 18.v.1990 (J. Heinze). Primary type depository: MCZC. Secondary type information: Secondary type material: 3 paratype queens, 1 paratype male. Secondary type locality: same as for holotype. Secondary type depositories: BMNH, MCZC.