95 
Egg-Laying Record 
Date of 
emer¬ 
gence 
of 
moth 
Date 
of 
copu¬ 
lation 
Date 
of 
first 
eg'g- 
laying 
Dates 
egg- 
masses 
were 
laid 
No. of 
eggs 
in 
each 
mass 
• 
Total 
No. 
eggs 
laid 
Total 
eggs in 
dead 
body of 
female 
Entire 
total 
of 
eggs 
Date 
of 
death 
of 
moth 
Mar. 3 
1908 
Mar. 10 
(eve) 
Mar. 11 
(p.m.) 
Mar. 11 
“ 11 
“ 13 
“ 15 
60 
47 
85 
105 
297 
296 
593 
Mar. 18 
Mar. 8 
1908 
1 
Mar. 10 
(eve) 
Mar, 11 
(p.m.) 
Mar. 11 
“ 11 
“ 13 
“ 17 
“ 18 
“ 19 
67 
162 
87 
35 
87 
50 
488 
146 
634 
Mar. 20 
Mar. 11 
1908 
• 
445 
445 
Mar. 26 
ii y 2 to 13 days after the eggs are deposited. They are quite 
active from the first, and upon being disturbed drop from the leaf, 
suspending themselves by delicate threads. They feed preferably 
on the lower surface of the leaf, and usually along the principal 
leaf-vein. Later they may eat the entire leaf or the buds and 
flowers. 
Fig. 10. Rose Leaf-roller, Arcliips 
rosaceana; part of egg-mass highly 
magnified. 
DESCRIPTIONS 
Egg (Fig. 9, 10).—The eggs are oval, measuring .5 mm. in 
width and 1.0 mm. in length. They are lemon-yellow when first 
laid, later changing to gamboge, the mass, on the leaf, having a 
greenish tint due to the translucency of the eggs. With a hand 
