Summary[edit] Description: Ellipsidion australis, a species of Blattidae. Paruna Reserve, Como NSW Australia November 2010. Date: 20 November 2010, 17:02. Source: Cockroach. Author: John Tann from Sydney, Australia. Camera location33° 59′ 58.34″ S, 151° 03′ 28.08″ EView all coordinates using: OpenStreetMap-33.999539; 151.057801.