THE TORTRICINA. 



143 



stem of the plant itself. They then get rid of their silk, and 

 enter the cracks of the wood, or beneath the bark, and 

 hybernate until late in the spring; that is to say, they do not 



THE METAMORPHOSES OF THE VINE MOTH. 



1,2,3,4. Eggs on the leaf. 5. Young caterpillars hanging by their web. 6. Leaf with 

 chrysalis. 7. Caterpillar. 8. Moths. 



take any food, and remain in a sleepy and perfectly quiet 

 state, without any metamorphosis; in fact, growth does not go 

 on. When the hot weather commences, they climb up the 

 tender shoots of the vine, and bind up the tiny leaves and 



