Gnathifera acacivorella (Gaedike, 1968)
(Figs 10, 26)
Ochromolopis acacivorella Gaedike, 1968: 612, figs 30a–30b
Gnathifera acacivorella (Gaedike, 1968): Gaedike 1978: 208
Material studied. New South Wales: 1 ♀, Barren Grounds Fauna Res., 29.x.1977, leg. V. J. Robinson, ANIC, 1 ♂, CSIRO Exp. Fm., Wilton, 20.xii.1976, leg. V. J. Robinson, ANIC .
Distribution. New South Wales (first record), Tasmania (Gaedike, 1968).
Bionomics. Larvae in galls of Acacia sp.
The description of the male genitalia is presented for the first time (Fig. 26):
Uncus straight, narrowing to rounded tip; gnathos nearly circularly swollen, covered with numerous minute bristles; valva short, more or less parallel, costal edge apically ending in a short digital process, at underside with a thin strongly sclerotized rod-like process, ventral edge with narrow longitudinal bristled fold, apodemes connected with vinculum, with digital process, nearly reaching apex of valva; phallus longer than valva, basal half narrower than apical half, with rounded tip.