Australia has three described Austroleptis species in this family.
References
Hardy, G. H. 1920. Australian Rhyphidae and Leptidae (Diptera). Papers and Proceedings of the Royal Society of Tasmania 1919: 117-129.
Nagatomi, A. & Evenhuis, N. L. 2007. Family Austroleptidae [originally included in Rhagionidae]. In: Evenhuis, N. L. (ed.), Catalog of the Diptera of the Australasian and Oceanian Regions. (online version). Available at: http://hbs.bishopmuseum.org/aocat/austroleptidae.html . Last accessed: 12 January 2016.
Paramonov, S. J. 1962. A review of Australian Leptidae (Diptera). Australian Journal of Zoology 10: 113-169.