Evergreen bagworm in forested areas are rare. With scarce predators in urban areas, evergreen bagworms often thrive in urban habitats. When disturbed, the larva will retract its head into its case and hold the front opening closed. Mature larva may remain in the host tree or drag its case nearby before attaching itself for the pupa stage. Arborvitae and red cedar are the favored host trees of the evergreen bagworm, but cypress, juniper, pine, spruce, apple, birch, black locust, elm, maple, poplar, oak, sycamore, willow, and over 100 other species are also attacked. Leaves and buds are both fair game for food.
National Christmas Tree (United States) that year's display. Many of the decorations in 2000 and 2002 were manufactured with the same high-tech plastic used to make the faceplates of astronaut helmets. During the summer, National Park Service workers apply a pesticide to the tree to kill red spider mites (which can kill evergreen trees). The tree is also checked so that rodents do not take up residence in its roots or branches. The tree is pruned yearly, and fertilized every three years. The high Fraser Firs for the Pathway of Peace are cut in early November. Hargrove Inc., a company which provides trade show and