Austrocyphon lobatus, sp. n.

(Figs. 174–177)

Type material. Holotype: ♂, LORIEN W.R. 3 km N Lansdowne/Taree NSW 14-27.Sept.1987 G.Williams ex r/f margin malaise trap. Paratypes: NSW: 2♂, Acacia Creek N.S.W., J.Armstrong (all ANIC).— QLD: 2♂, S.E.Queensland, Tambourine Mts 2–9.iv.1935; AUSTRALIA R.E.Turner B.M. 1935-240; Cyphon fenestratus Blackburn Id. J.Armstrong (NHML); 1♂, Brisbane Q. 6.7. 62 E.A.Bernays (QMSB, UQIC Reg. #88659, T169587).

Habitus. BL 2.2–2.5 mm, BL/BW 1.5. Regularly oval. Uniformly light to dark brown.

Male. T8 deeply excised, ending in two inwardly curved sparsely pilose lobes; apodemes long, connected by a distinct arched sclerite. S8 a simple U-shaped arch, no setae noticed.

T9 completely divided, only a short bridge between the lateral rods remains. Lateral rods barely thicker than basal apodemes, each ending in a spinulose slightly club-shaped portion with terminal spine. S9 elongate oval, well sclerotized, pilose apex narrow, notched.

Penis slender, basal portion much longer than caudal portion which has gently angled sides and a blunt tip. Trigonium nearly filling the membranous foramen. Centema distinct, no apical spicules. Parameres are simple slender rods arising from a narrow common base, apices with membranous flange.

Female. Unknown.

Etymology. The name is a Latin adjective describing the lobed tergite 8.