710 REVISION OF AUSTRALIAN LEPIDOPTERA, 



A. Hindwings white 31. nivosa. 



B. „ yellow. 



a. Forewings with apex obtuse. 



1. Groundcolour of forewings dark fuscous. .32. catocalina. 



2. „ ,, yellow or whitish. 

 i. Anterior margin of thorax blackish. 



*. forewings with first fascia blackish- 

 fuscous, 

 f. Cilia of hindwings wholly yellow. 33. Shepherdi. 

 ff. ,, „ broadly blackish 



beneath apex 34. laeta. 



**. Forewings with first fascia ochre- 



ous-yellow, black-margined 35. gratiosa. 



ii. Anterior margin or thorax not blackish. 36. congrua. 



b. Forewings with apex subfalcate. 



1. Forewings with blackish fasciae entire... 37. discrepans. 



2. „ „ not reaching costa 38. conographa. 



31. Term, nivosa, Walk. 



(Lema nivosa, Walk. Suppl. 805.) 



^ £. 27-29 mm. Head white, face and palpi orange. Antenna? 

 blackish. Thorax white, with a black dot on shoulder. Abdomen 

 white, anal tuft orange. Legs orange, anterior and middle tibia? 

 and tarsi spotted with blackish. Forewings rather elongate-trian- 

 gular, costa slightly arched, apex tolerably obtuse, hindmargin 

 straight, somewhat oblique, rounded beneath ; white ; a slender 

 black costal streak from base to \, having on its lower margin a 

 black dot at each extremity, and one at \ of costa ; a short orange 

 elongate mark on costa beyond this : cilia white, on upper i| of 

 hindmargin with five or six adjacent quadrate blackish spots on 

 basal half. Hindwings white ; a small round blackish spot on 

 hindmargin below middle, sometimes obsolete ; cilia white. 



Sydney, New South Wales ; Melbourne, Victoria ; in September; 

 three specimens. 



