Christmas tree pests and weeds of different pests, most of which cause cosmetic damage to the trees, important in the Christmas tree industry. The balsam woolly adelgid ("Adelges picae") are small soft-bodied insects which attack the Fraser fir. The insects appear as white, woolly spots on the tree and are fatal to the fir if left untreated. The woolly adeligid was native to central Europe where it affected the silver fir; it was introduced to the United States, where it has no known native predators, before 1900. Balsam twig aphids ("Mindarus abietnus") are another type of tree pest which affects fir and spruce trees in
Douglas Fraser his father, who worked at a brewery, would sometimes fuel the family stove with stolen whiskey. Samuel Fraser moved to Detroit, Michigan, while his son was still a young boy, in 1922. Samuel, his mother, Douglas, his sister, and his brother sailed to New York City aboard the and were inspected at Ellis Island on April 23, 1923. They travelled to their new home in Detroit by train. Douglas was deeply influenced by the Great Depression. His father was out of work for long periods, and he admitted that the poverty and social disorder that he witnessed changed his life.