44 STORRS AGRICULTURAL EXPERIMENT STATION 
inarked. It was evidenced by the unhealthy appearance of the 
foliage, its premature loss—the leaves falling from two to three 
weeks earlier than they normally should—and by the lack of 
development of the fruit, both in size and quality.” Many 
trees in this locality were so seriously affected that it would 
be impossible to find on them a single unaffected leaf. There 
are few apple orchards in the state where the insect cannot 
be found in sufficient numbers to cause a serious infestation 
in the future. 
LIFE HISTORY AND HABITS, 
The main facts and many interesting details of the insect’s 
life and habits were worked out by Brunn in 1883. During the 
past season, however, we have studied the pest both in the 
orchard and laboratory, and can now add some important de- 
tails. 
Early in June the tiny eggs are deposited singly on the sur- 
face of the leaf, adjacent to one of the larger veins. Each 
egg is protected by a drop of wax, which appears in the sun- 

Fic. 8—A badly infested twig, showing the curling of the leaves. 
