808 DESCRIPTIONS OF AUSTRALIAN MICRO-LEPIDOPTERA, 



This and the two following species are closely allied and very 

 similar ; M. melanomitra is best separated from M. trithyra by 

 the partially whitish-ochreous cilia, but differs also in the bi'oader 

 fascia, and more triangular costal spots. 



Bowenfels (2,500 feet), New South Wales ; iSIount Lofty, 

 Wirrabara, and Quorn, South Australia ; in October and January ; 

 common. 



486. Macr. trithyra, n. sp. 



Parva, alls ant. nigricantibus, fascia antica modica obliqua, 

 maculis costse duabus subquadratis, altera lineam emittente, tertia 

 dorsi subtriangulari ; post, saturatius eereo-fuscis, ciliis omnino 

 griseis ; abdomine griseo. 



$. 11-13 mm. Head white, crown blackish. Palpi white, ter- 

 minal joint blackish. Antennte black, spotted with white. Thorax 

 white, anterior margin and a small posterior spot blackish. 

 Abdomen dark grey. Legs blackish, banded with white. Fore- 

 wings elongate-lanceolate ; blackish ; markings white, sometimes 

 slightly ochreous-tinged ; a moderate oblique fascia from \ of 

 costa to 5 of inner margin ; a subquadrate spot on middle of costa, 

 and a slightly larger one on inner margin hardly beyond it, sub- 

 triangular ; a larger quadrate spot on costa, near apex, connected 

 by a fine irregular line with a dot on anal angle : cilia dark grey, 

 towards anal angle paler, on costal spot white. Hindwings rather 

 dark bronzy -fuscous ; cilia grey. 



Differs from the preceding by the wholly grey cilia of hind- 

 wings and abdomen. 



Sydney and Cooma (3,000 feet). New South Wales ; Mount 

 Lofty, South Australia; four specimens in December and January. 



487. Macr. euryleAica, n. sp. 



Minor, alis ant. saturate fuscis, fascia antica lata obliqua, 

 maculis costse ac dorsi obscuris, tertia costse postica majore 

 angulum analem attingente, quarta etiam ciliorum subapicali 

 niveis ; post, saturatius fuscis, ciliis stramineis. 



(J 9. 15-18 mm. Head white, crown blackish. Palpi white, 

 terminal joint with dark fuscous line on each side. Antcnnse 



