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
Fraser of Strichen abolished with other hereditary peerages in 1999. The current chief of the Clan, Simon Fraser, the 16th Lord Lovat, is a direct descendant of Thomas Alexander. Fraser of Strichen The Frasers of Strichen are a branch of the highland Clan Fraser, which assumed the chiefship of the clan in the 19th century. After Archibald Campbell Fraser of Lovat, the third son of Simon "the Fox" Fraser, died without descendants in 1815, the chiefship of Clan Fraser was passed to Thomas Alexander Fraser of Strichen. He was a descendant of the 7th Lord Lovat. In 1854 the title of Lovat was