Austrosciara heterospinata sp. n.

(Fig. 1 A–C)

Type locality: Australia, New South Wales, Victoria Park, near Lismore.

Holotype: Male, 7.vi.1978, rainforest, leg. B.J. Loudon, ASCT 00049053 (ASCU).

Paratype: 1 male, 29.iv.1978, New South Wales, Royal Nat. Park, leg. B.J. Loudon ASCT 00050310 (PWMP).

Description. Male. Head. Brown. Eye bridge 2–3 facets wide. Antenna dark brown; l/w index of 4th flagellomere about 2.2, the flagellomere with pale hairs somewhat longer than the diameter of the basal node; necks rather long. Palpus 3-segmented, pale, basal segment with one long bristle and a flat patch of sensillae.

Thorax. Brown. Scutum with short fine hairs, some lateral bristles longer; scutellum with 2 longer marginal bristles; postpronotum bare. Wing brownish; R1 shorter than 1/2 R; R 5 in the distal third with ventral macrotrichia; C longer than 1/2 w; y = x and without macrotrichia; posterior veins with macrotrichia. Haltere short and brownish. Coxa somewhat paler than the brownish legs, tarsi darkened; apex of fore tibia with a broad comb of hyaline bristles; spurs of middle and hind tibiae equal in size, longer than the diameter of the apex; claws with fine teeth.

Abdomen. Brown, with rather sparse fine hairs. Hypopygium brown, the ventral base v-shaped; gonocoxites at the inner ventral margin with rather long hairs; gonostylus bulbous, pointed to the apex, apically with a tooth and 4 spines arranged as pairs in the distal half, the upper pair of spines crossed. Tegmen longer than broad, pyramid-like, with fine teeth. Aedeagus rather long. Body length: 2.2 mm.

Comments. The species is characterized by having macrotrichia on all posterior wing veins, a short-haired scutum and a bulbous gonostylus with 4 spines arranged in two pairs in the distal half.

Distribution. Australia: New South Wales.