In Massachusetts, except in weil-sheltered locations, the worms sometimes are 

 winterkilled in their cocoons when not covered with snow or water. The worms 

 freeze in midwinter when exposed in their unbroken cocoons to air with a 

 temperature of —2° to —3° F. 



Distribution and Food Plants 



This species has been found in Quebec, Prince Edward Island, Nova Scotia, 



Maine (at Machias), Massachusetts, Rhode Island, Connecticut, New York, New 



Jersey, North Carolina, Michigan, Wisconsin, Texas, and Washington. It seems to 



have been introduced in the Long Beach cranberry district of Washington about 



CRANBERRY FRUITWORM 

 Fig. 38. Cranberries cut open, with worms at work. 



[52} 



