New Species of Austrothaumalea Tonnoir from Australia (Diptera: Thaumaleidae) Author Sinclair, Bradley J. text Records of the Australian Museum 2008 2008-06-25 60 1 1 12 http://dx.doi.org/10.3853/j.0067-1975.60.2008.1490 journal article 10.3853/j.0067-1975.60.2008.1490 2201-4349 4676495 Genus Niphta Theischinger Niphta Theischinger, 1986: 314 . The genus Niphta is characterized by a distinct ridge (supraalar region) in front of the wing, microtrichia of first vein (R+R 1 +R 1+2 ) confined to base near humeral crossvein, crossvein closer to origin of R 3 than to apex of R 1+2 , R 3 with arch not strongly produced, basal appendage of CuA absent, gonocoxites broad, not much longer than wide and hypandrium narrow.