Genus Ariadna Audouin, 1826

Pylarus Hentz, 1842 (synonymised in Beatty 1970)

Macedonia Hogg, 1900 (synonymised in Rainbow 1911)

Segestriella Purcell, 1904 (synonymised in Beatty 1970).

Diagnosis and description. For a generic diagnosis and description of Ariadna refer to Giroti & Brescovit, 2018.

Composition. The genus Ariadna comprises 13 previously described species in Australia ( Ariadna decatetracantha Main 1954; A. thyrianthina Simon 1908; A. kiwirrkurra Baehr & Whyte 2016; A. clavata Marsh et al. 2018; A. tan- gara Marsh et al. 2018; A. dysderina L. Koch 1873; A. octospinata (Lamb 1911); A. segmentata Simon 1893b, A. muscosa Hickman 1929; A. major Hickman 1929; A. burchelli (Hogg 1900); A. montana Rainbow 1920; A. natalis Pocock 1900 as well as A. phantasma sp. nov. described in this paper.

Distribution. Described species of Ariadna are known from all Australian states/territories except the Northern Territory.