(Figs 1–20)
Nirvana adelaideae Evans, 1938: 5.
Description. Body length (including forewing): ♂, 4.8 mm; ♀, 6.2 mm. Male coloration (Figs 1–3) predominantly greenish-yellow, with a median black stripe extended from apex of crown to end of clavus, forewing with subapical black spot and pale brown basal markings, one false vein present in outer apical cell. Female (Figs 10–12) similar to male in coloration but median black stripe narrower and other dark markings less well developed.
Male pygofer (Figs 5, 6, 18) sclerotized with 11 macrosetae along dorsoapical and ventralapical margin; ventral margin with very short lobe curved mesad with 4 small rigid setae. Subgenital plate (Figs 5, 9) apex truncate, with two short dorsoapical macrosetae. Aedeagal shaft (Figs 7, 8, 19, 20) straight in both lateral and ventral view, narrowed distally in ventral view, with pair of lateral preapical processes extended basolaterad and smaller median ventral spines.
Material examined. AUSTRALIA: 1♂ 1♀ (ASCT), New South Wales, Orange, 20 Jan.1998, BC. McNeil, ex Mexican Orange [Choisya ternata Kunth].