mastotermes darwiniensis: Australian termite; sole living species of Mastotermes; called a living fossil; apparent missing link between cockroaches and termites
termite: whitish soft-bodied ant-like social insect that feeds on wood
black and tan: an English recruit (who wore a uniform that was black and tan) serving in the Irish constabulary to suppress the Sinn Fein rebellion of 1919 to 1921