sentences:  The chromosome number of the species is n = 18.The species is known only from its type locality, Maligne Canyon, near Jasper, Alberta, Canada.It closely resembles the workerless European species, "Leptothorax pacis", and having believed to be also lacking a worker caste when it was first described in 1979, was placed in the same genus (at the time, genus "Doronomyrmex").