T. BAINBRIGGE FLETCHER 81 
following table shows the variation exhibited by larve from eggs laid at the 





same time. 
Egg laid Egg hatched Larva pupated Moth emerged 
1423-07 19-X-07 | 13-X1-07 1-XII-07 
17-X-07 23-X-07 | 12-X1-07 29-XI-07 
17-X-07 23-X-07 20-XI-05 9-XII-07 
17-X-07 23-X-07 pa. 30-V-08 
18—X-07 24—X-07 | 14—XI-07 4—XTI-07 


Some larve may, however, enter into a resting stage which lasts for two 
years or perhaps even longer. 
The egg is elongate-oval with rounded ends, about 0°53 mm. long and 
0:26 mm. broad, with minute longitudinal (but slightly zigzag) ridges ; at 
first translucent white, looking green against the green background of a lcaf 
or boll, but turning light yellow before hatching, the head of the enclosed 
larva showing as a large black spot at one end. The young larva does not 
eat the empty egg-shell. 
The newly-hatched larva is about 1 mm. long, cylindrical, tapering poste- 
riorly, yellow; head black, shiny ; prothoracic shield dark brown. When 
about half-grown, it is yellowish-white with pinkish suffusion around the 
spiracles and tubercles, head chestnut-brown, prothoracic shield brownish. 
When full-grown it is about 12 mm. long, rather stout, about 2°5 mm. broad, 
pinkish ; head brown ; prothorax broad, with a medially divided, light brown 
shield ; all segments (except head and anal segment) with a broad salmon- 
pink ring broken on each side by two delicate light-grey spots which form 
an interrupted lateral stripe; anal segment with a small shield; hairs 
moderate. 
The pupa is about 6 to 7 mm. long and about 2°6 mm. broad, yellowish- 
brown, with short brown hairs densely scattered over the surface ; anal segment 
with a black cremastral spine and numerous shorter hair-like hooklets. These 
cremastral hooks retain the pupa-case inside the cocoon on emergence of the 
moth. . 
The moth flies in the evening, after dusk, remaining during the daytime 
hidden away under any convenient shelter ; when disturbed by day, it scuttles 
along and seeks another shelter, rarely taking to wing. It is attracted to light 
at night to some extent. 
