1672 DESCRIPTIONS OF AUSTRALIAN MICRO-LEPIDOPTERA, 
739. (412b.) Oec. hilaropa, n.sp. 
(J. 18-20 mm. Head orange. Palpi ochreous-yellow, anterior 
edge of terminal joint and extreme base bbickisb. Antennse dark 
grey. Thorax pale ochreous-yellow, anterior half blackish. 
Abdomen ochreous-yellow, suffused with grey, especially towards 
base. Legs dark grey, posterior pair ochreous-yellowish. Fore- 
wings elongate, costa slightly arched, apex round-pointed, hind- 
margin nearly straight, very oblique ; light ochreous-yellow ; 
markings blackish, slightly purple-tinged ; a narrow straight 
rather oblique fascia very near base ; a transverse bar in disc at 
I, almost always connected with an elongate spot along inner 
mai’gin beyond middle ; a rather irregular narrow slightly 
inwards-curved fascia from § of costa to anal angle ; a sub- 
quadrate apical spot, continued as a cloudy line along hindmargin 
to anal angle : cilia dark grey. Hind wings dark fuscous ; cilia 
light ochreous-yellowish, more or less suffused with pale gi'ey on 
upper half of hindmargin and round apex. 
Greenmount (on the range near Perth) and York, West 
Australia ; in N oveinber, five specimens. Easiest separated from 
Oe. protadelpha by the wholly dark grey cilia of foi’ewings, and 
the cilia of hindwings wholly yellow on lower half of hindmargin. 
740. (442c.) Oec. protadelpha., n.sp. 
15-20 mm. Heatl orange. Palpi ochreous-yellow, anterior 
edge of terminal joint, and extreme base blackish. Antennte dark 
grey. Thorax ochreous-yellow, anterior half blackish. Abdomen 
dark grey, apex ochreous-yellow. Legs dark grey, posterior pair 
ochreous-yellow. Forewings elongate, costa slightly arched, apex 
round-pointed, hindmargin nearly straight, very oblique ; ochreous- 
yellow ; markings purple-blackish ; a narrow straight oblique 
fascia very near base ; a narrow direct fascia from middle of 
inner margin, reaching | across wing, produced along inner 
mai’gin as a wedge-shaped streak to near anal angle ; an irregular 
narrow slightly inwards-curved fascia from | of costa to anal 
