1666 DESCRIPTIONS OP AUSTRALIAN MICRO-LEPIDOPTERA, 
posterior margin orange-yellow. Abdomen ochreous-yellow, basal 
half dark grey. Legs dark grey, posterior pair ochreous-yellow. 
Forewings elongate, rather narrow, costa gently arched, apex 
round-pointed, hindmargin extremely obliquely rounded ; deep 
ochreous-yellow ; base of costa and of inner margin slenderly dark 
fuscous ; an erect rather irregular wedge-shaped dark fuscous 
spot on inner margin before anal angle, I’eaching more than half 
across wing ; a moderate dark fuscous hindmarginal fascia, nar- 
rowed almost to a point at anal angle, where it touches preceding 
spot : cilia dark fuscous, base sometimes yellowish towards middle 
of hindmargin. Hindwings dark grey ; cilia pale ochreous-yel- 
lowish. 
Geraldton, West Australia ; in November, six specimens. 
Recognisable from the two following especially by the wholly 
yellow cilia of hindwings, and bright colouring. 
726. (398b.) Ilapl. perinyctis, n.sp. 
15-16 mm. Head orange-yellow. Palpi dark fuscous, 
above light yellowish. Antennsepale fuscous. Thorax ochreous- 
yellow, anterior half more or less dark grey. Abdomen ochreous- 
yellowish, basal half dark grey, sometimes mixed with grey 
posteriorly. Legs dark grey, posterior pair ochreous-yellowish. 
Forewings elongate, rather narrow, costa gently arched, apex 
round-pointed, hindmargin extremely obliquely rounded ; ochreous- 
yellow, sometimes much mixed with grey •, sometimes a cloudy 
fuscous streak beneath costa from base to IJ ; an erect wedge- 
shaped dark fuscous spot on anal angle, reaching more than half 
across wing ; a cloudy subquadrate dark fuscous apical spot : cilia 
dark fuscous, sometimes more or less suffused with ochreous- 
yellowish on upper half of hindmargin, Hindwings dark fuscous; 
cilia rather dark fuscous, round apex sometimes mixed with liglit 
yellowish. 
Perth, West Australia; in November, three specimens. More 
obscure than the other two species ; best distinguished from 
II. torosema by the dark fuscous cilia of hindwings, from II. 
amphidoxa by the partially yellow thorax. 
