LARGE, HAIRY CATERPILLARS EATING THE LEAVES 291 
near by, and the adult moths are out in July and August. The 
female is light grayish, heavy bodied, and has a wing expanse of two 
inches, but cannot 
fly. The male is 
much smaller, 
brown in general 
color, and flies 
readily. Eggs are 
laid in masses, and 
are covered with 
vellowish hairs 
from the body of 
the female. Ege 
masses occur on 
the trunks of trees, 
Fic. 429.— Newly hatched larve of the Gypsy Moth 
on egg-mass; and empty pupal shell. Original. 
the under side of 
branches, or on any 
permanent object near at hand. The egg stage lasts until the follow- 
ing May, when the young caterpillars hatch and at once begin feeding. 
Large sums have been spent by federal, state, and town author- 
ities to prevent the spread of 
this pest, reduce its ravages, 
and introduce its natural 
enemies. 
The egg masses may be 
painted with creosote at any 
time between September and 
the following April. This will 
penetrate and kill the eggs. 
Fic. 430.—The Gypsy Moth. Adult male. The larve may be poisoned 
Original. ‘ ‘ 
by spraying with arsenate of 
lead, using 5 to 8 pounds to 59 gallons of water, and applying early 
while the larve are still small. Tall trees may be banded with 
burlap, so as to provide a place where the caterpillars will hide by 
day and where they may be killed by mechanical means. 
