Australia has nine described Ditomyiidae species, all falling within Australosymmerus. Seven of these are found in Tasmania, three of which are endemic to the island state.
Colless, D. H. 1970. The Mycetophilidae (Diptera) of Australia. Part 1. Introduction, key to subfamilies, and review of Ditomyiinae. Journal of the Australian Entomological Society 9: 83-99.
Matile, L. 1996. Family Ditomyiidae. In: Evenhuis, NL (ed.), Catalog of the Diptera of the Australasian and Oceanian Regions. (online version). Available at: http://hbs.bishopmuseum.org/aocat/ditomyiidae.html . Last accessed: 18 September 2015.