Tethina nigriseta Malloch, 1924

Munari, L., 2004, Beach Flies (Diptera: Tethinidae: Tethininae) From Australia and Papua New Guinea, with Descriptions of Two New Genera and Ten New Species, Records of the Australian Museum 56 (1), pp. 29-56 : 48-50

Tethina nigriseta Malloch, 1924

Figs. 27–28

Mathis & Sasakawa, 1989: 668; Colless & D.K. McAlpine, 1991: 779; Mathis & Munari, 1996: 17.

Material examined. Australia, New South Wales: Booti-Booti Nat. Park, The Ruins, Forster District , shoreline rocks, 9.x.2000 , D.K. McAlpine, 433 1♀; Broken Head, near Byron Bay , shoreline rocks, 7–8.xi.2000 , D.K.M., 3 33 1♀; Bulli , adults emerged from kelp, 11.iii.1991 , D.K.M., 233 2♀♀; Bundagen, via Repton , 15.i.1971 , D.K.M. &A. Hughes, 233 19♀♀; Bundeena, near Sydney , on seashore rocks, 10.xii.1966 , D.K.M., 13 1♀; Careel Bay , 15.xii.1957 , D.J.J. Lee, ( SPHTM Coll. ), 13; ibidem, 28.xii.1957 , D.J.J. Lee, ( SPHTM Coll.), 1♀; Collaroy , 20.i.1924 , [no collector], ( SPHTM Coll.), 1♀; Dee Why, near Sydney , sand hills, 31.iii.1962 , D.K.M., 1♀; ibidem, sand dunes, 4.xi.1971, D.K.M. & G.A. Holloway, 3033 7♀♀; Iluka rain forest, Clarence River , MV lamp, 22.ii.1965 , D.K.M., 1♀; ibidem, MV lamp, 24–25.xi.1970 , D.K.M., 1 3 2♀♀; Kurnell , on beach, 23.ii.1957 ,

phallus. Tethina nigriseta Malloch, 1924 : (27) lateral view, (28) posterior view. Scale bars: 0.1 mm.

D.K.M., [D.K.M. det.], 333 1♀; ibidem, 1.iii.1962, D.K.M., 1233 9♀♀; Little Beach, near Terrigal , on beach, 29.i.1988, D.K.M. & B.J. Day, 2333 31♀♀ ; Maitland Bay, near Terrigal , on beach, 29.i.1988, D.K.M. & B.J. Day, 4033 33♀♀ ; McMasters Beach, near Terrigal , on kelp, 25.xi.1987, D.K.M., R. Blanche, and B.J. Day, 1♀ ; ibidem, 29.i.1988, D.K.M. & B.J. Day, 6♀♀; North Beach, Bellinger River , sand dunes, 15.i.1971, D.K.M., 3533 35♀♀ ; Putty Beach, near Terrigal , 25.xi.1987, D.K.M., R. Blanche, and B. Day, 233 2♀♀ ; Red Rock, near Woolgoolga , dunes, 9.xi.2000, D.K.M., 1♀ ; Seal Rocks (headland), shoreline rocks, 9–10.x.2000, D.K.M., 6 33 8♀♀ ; Sydney, Narrabeen, 21.i.1924, Health Dept., ( SPHTM Coll.), [J. R. Malloch det.], 13; Sydney , Long Reef , on intertidal rocks, 28.i.1964, D.K.M., 2♀♀ ; ibidem, on beach, 28.i.1964, D.K.M., 13; ibidem, on stranded kelp, 30.iii.1964, D.K.M., 433 5♀♀; ibidem, on kelp, 26.iv.1984, D.K.M. & M. Dingley, 1633 40♀♀; Turimetta Beach, near Sydney , 2.v.1981, B.J. Day, 433 1♀ ; Twofold Bay, Nullica Beach , stranded seaweed, 13.v.1988, D.K.M. & B.J. Day, 1133 7♀♀ ; Valla Beach, near Urunga , 23.ix.1981, D.K.M. & B.J. Day, 833 3♀♀ ; Wairo Beach, near Durras , 11.iv.1986, D.K.M., 233 1♀ ; Woody Head, near Iluka , 29.xii.1978, B.J. Day, 433 8♀♀ ; Woolgoolga, shoreline rocks, 7.xi.2000, D.K.M., 13. Australia, Victoria: Mallacoota, Bastion Point , stranded seaweed, 13–14.v.1988, D.K.M. & B.J. Day, 13 2♀♀ ; Walkerville, near Waratah Bay , on stranded seaweed, 6–7.iv.1986, D.K.M., 2 33 1♀ .

Distribution. Australia (NSW, QLD,VIC [new distribution]).

Remarks. This species is probably the most common tethinid fly inhabiting the shores of NSW and VIC.