Subgenus Sphaerotachys Muller, 1926

Tachyura (Sphaerotachys) fumicata (Motschulsky, 1851)

New record for Hong Kong. This is a widespread species and has been expected to occur in Hong Kong. Determined from Terada et al. (2013) and Jedlièka (1965b). Material: 2♀ Hong Kong, Lantau, Tai O, 8.i.13; 1 ex. Hong Kong, Lantau, Tai O, 10.i.12, in moss; ♀ Hong Kong, Lantau, Pui O, 11.ii.12, muddy pool edge; 1 ex. W.T.L., 25.ii.09; 1 ex. Hong Kong, Lantau, Pui O, 12.iv.15 Pui O, in mud at edge of Buffalo Wallah; 4 exx. Hong Kong, Mai Po 16.iv.15, light trap; 1 of 30.iv. 15 W.T.L.; 1 ex W.T.L., 2.vi.15; 1 ex. W.T.L., 14.vi.15; 1 ex. W.T.L., 3.vii.14; 1 ex. W.T.L., 7.vii.15; 1 ex. W.T.L., 25.vii.08; 1 ex. W.T.L., 27.vii.2015; 1 ex. W.T.L., 21.viii.08; 2 exx. W.T., September 2011; 1 ex. W.T.L., 9.x.12; 3 exx. W.T.L., October 2010; 1 ex. Hong Kong, Kuk Po, 6.xi.14; 3 exx. Hong Kong, Kuk Po, 24.xi.14; 1 ex. W.T.L., 30.xi.14. Biology: Imago found throughout the year. Found in wet habitats such as muddy pools and wet moss. Can be attracted to light.