588 DESCRIPTIONS OF AUSTRALIAN MICRO-LEPIDOPTERA, 



2. Upper edge of streak with dark fuscous dot 



at|... 167. uranarcha. 



Upper edge of streak without dark fuscous 



dot 166. leucochrysa. 



166. Mac. leticochrysa, n.sp. 



(J. 16 mm. Head orange, face and middle of back of crown 

 white. Palpi white. Antennae white, ringed with fuscous. 

 Thorax white, with an orange stripe on each side of back. Abdo- 

 men and legs white, anterior legs orange-tinged above, posterior 

 tibiae twice as long as femora, ochreous-tinged, hairs moderate, 

 tarsi half as long as tibise. Forewings elongate, rather narrow, 

 costa rather strongly arched, apex acutely produced into a long 

 fine point, hindmargin sinuate, extremely oblique ; vein 7 to 

 hindmargin, 9 and 10 from a point ; snow-white ; a moderate 

 bright orange straight longitudinal streak below middle from base 

 to apex ; a small suffused orange spot on base of inner margin : 

 cilia white, beneath apex with extension of submedian orange 

 streak, at extreme apex dark fuscous. Hind wings and cilia white. 



Sydney, New South Wales ; in October, one specimen beaten 

 from Banksia. 



167. Mac. uranarcha, n.sp. 



(J, 18 mm. Head orange, face and middle of back of crown 

 white. Palpi white. Antennse white, annulated with fuscous. 

 Thorax white, with very broad orange stripe on each side of back. 

 Abdomen white. Legs white, anterior pair ochreous-tinged above, 

 posterior tibise half as long again as femora, long-haired, tarsi 

 almost as long as tibiae. Forewings elongate, costa strongly arched, 

 apex acute, produced into a long fine point, hindmargin sinuate, 

 extremely oblique ; vein 7 to costa ; white ; a moderate straight 

 bright orange longitudinal streak from base along submedian fold 

 to hindmargin above anal angle and thence along hindmargin to 

 apex, upper edge marked with a small dark fuscous dot at f : cilia 

 w^iite, submedian orange streak extending through them to apex, 

 with a few dark fuscous scales at apex. Hind wings whitish ; 

 cilia white. 



