GYPSY AXD BROWX-TAIL MOTHS AXD THEIR CONTROL 



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this specification, in order that the finished product shall have a color 

 suitable for the proper staining of gypsy moth egg masses. This 

 material must remain fluid and workable at subzero temperatures. 



USE OF BURLAP BANDS 



Gypsy moth caterpillars usually seek shelter during hot, sunny 

 days, and if a band of burlap is attached to a tree (fig. 7) large numbers 



Figure 7.— Burlap band on tree showing caterpillars beneath 



of them will crawl beneath it, where they may be crushed each day. 

 A strip of burlap about 8 inches wide is placed loosely around the tree 

 trunk, and a piece of twine is passed around the center and tied to 

 hold it in place. The top part of the burlap is then folded down to 

 make a double shelter beneath it. 



This method requires considerable hand labor, but is effective in 

 many places. If brown-tail moth caterpillars are present on the 



35249°— 38 3 



