 "M. regularis" is found in the south-western coastal regions of Australia.Nests have been recorded in the towns of Albany, Denmark, Nornalup, Manjimup, Pemberton and around the Margaret River in south Western Australia, Kangaroo Island in South Australia and Portland in Victoria.The ant prefers to inhabit a variety of rural environments, including woodland, open forests, dry marri forests, tree heath and granite mountains.