i88 LEPIDOPTERA. 



slender pale yellow-brown transverse lines, and discal spot. 

 Hind wings yellowish-white with two similar lines. 



Antennae of the male simple, shining, yellow ; palpi 

 ])oiuted, drooping, yellow-brown ; head and thorax pale 

 brownish-yellow ; abdomen very slender and long, silvery 

 yellow-white. Fore wings long, rather narrow ; the costa 

 straight to the middle, arched beyond ; apex angulated ; hind 

 margin very obli(|iie ; colour shining pale yellow, with the 

 nervures and the costal and hind-marginal areas faintly 

 tinted with brownish-yellow ; the first and second lines 

 irregular and much waved, the latter very oblique and 

 curving round a faint discal streak of the same colour ; sub- 

 terminal line similar, smooth and even, but curving back 

 below the costa, and with the other lines becoming lost in 

 the costal shade ; cilia shining pale grejush-yellow. Hind 

 wings rather short, rounded behind, greyish-white with a 

 yellow tinge on the borders ; on the front edge near the base 

 is a faint pale grey spot, in the middle a much rippled 

 transverse line of the same faint colour, and toward the 

 hind margin a broader and more even shade ; cilia shining 

 yellow-white. Female similar, but with the abdomen 

 shorter. 



Underside of fore wings shining pale yellow, broadly 

 margined and clouded with very pale grey-brown ; hind 

 wings of the same colour, similarly bordered. Body and 

 legs pale yellow. 



Not variable. 



On the wing in the latter half of May and in -June. 

 Abroad there is said to be a second generation in August. 

 Mr. Buckler had the curious fortune to rear specimens in 

 ■October and November, other individuals of the same brood 

 emerging in the following May and June. 



Larva seven-eighths of an inch in length, moderately 

 slender, cylindrical, but tapering a very little at each 

 •extremity ; segments plump and well defined, w-ith a trans- 



