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TREES IN" WINTER 



The caterpillars when mature are somewhat over two inches in 

 length, and are covered with long hairs. In color they are dark 

 brown with a pair of blue spots on each of the first five segments and 

 a pair of red spots on each of the remaining six segments. In early 

 July they change to pupae, and in late July develop into adult 



Fig-. S3. A Gypsy Moth eg-g-mass, 

 natural size, after the larvae have 

 emerged through the small holes. 



moths. The moths measure about five inches across the expanded 

 wings. The male is smaller than the female and is brown in color. 

 The female is almost white with dark markings. They are heavy- 

 bodied insects and, for this reason, do not fly long distances. 



One of the most effective means of controlling the pest is by de- 

 stroying the egg masses during the fall and winter. A sponge sat- 

 urated with creosote and attached to the end of a long pole is used 

 for this purpose. A little lamp-black is added to the creosote to 

 color the egg masses. In Massachusetts, the following creosote 

 mixture is used: Creosote oil 50 parts, carbolic acid 20 parts, tur- 



