118 
THK tlll'SY Moill. 
MEANS OP DISTRIBUTION. 
"The gipsy moth spreads chiefly during the caterpillar 
stage. While the caterpillars do not crawl very far from 
where they hatch, except when there is a scarcity of food, 
they have the habit, when small and young, of spinning 
-&J0 PAYS 
Fig. 8.— The Life Cycle of the Gipsy Moth. 
down on their silken threads from trees (as do the canker 
worm caterpillars in orchards), and, falling on vehicles, are 
then carried from place to place. Electric cars, pleasure 
and business vehicles, bicycles and automobiles are common 
means of thus transporting the gipsy moth. 
"The special attention of all those upon whom gipsy 
moth suppression devolves is, therefore, directed to the 
necessity of keeping traveled highways free from the insect. 
