OF NEW SOUTH WALES. 205 



fuscous streak along inner margin from near base to anal angle ; 

 very faint indications of a transverse oblique yellowish band 

 before one-third, margined internally with a few silvery- metallic 

 scales ; hind-marginal line cloudy dark fuscous ; cilia white, 

 with two cloudy fuscous grey parting-lines. Hind wings 

 whitish, towards apex and on hind margin narrowly suffused with 

 fuscous-grey ; hind-marginal line dark fuscous ; cilia white, with 

 an indistinct grey parting-line near base. 



A distinct and conspicuous insect, larger and broader-winged 

 than its congeners, easily known by the wholly white costa and 

 obsolete fascia. One , taken by Mr. Burkitt at light at GHades- 

 ville, Sydney, in September. 



Et. Behrii Z. Is. 1848, 883. 



8" 10". Head in bright ochreous-orange, face brassy- 

 metallic ; in ? shining dark ochreous-grey. Labial palpi much 

 more than twice as long as head, dark brassy-fuscous ; maxillary 

 palpi in <$ long, bright ochreous-orange ; in $ very short, 

 fuscoas. Antenna? dark fuscous with ochreous-whitish rings, in 

 thickened, with a large tuft of black scales and white silky 

 hairs in sinuation. Thorax dark ochreous-grey, in <$ with a 

 bright orange suffused spot on anterior margin. Abdomen 

 whitish-ochreous, base of segments dark-grey. Legs ochreous 

 above, dark-fuscous beneath. Fore wings elongate, narrow, 

 slightly dilated, costa nearly straight, hind margin oblique, 

 slightly rounded ; dark slaty-grey, densely irrorated with 

 whitish, and sometimes in $ with scattered carmine scales; a 

 straight moderately broad clear white costal streak from base to 

 a little before apex, enclosing a very narrow strip of ground 

 colour along costal edge, and margined beneath by a moderately 

 broad ferruginous streak running from base to apex of wing and 

 changing to black towards base and apex ; a transverse very 

 oblique ferruginous band from one-fourth of costal streak to one- 

 third of inner margin, internally edged by a pale golden metallic 

 line of raised scales, and within that by a broader blackish line ; 

 an indistinct small blackish spot on lower margin of subcostal 

 streak before two-thirds ; a hind- marginal row of rather 



[31] 



