The document discusses several tree pests including the Asian Longhorn Beetle, Emerald Ash Borer, Gypsy Moth, and Western Pine Beetle. The Asian Longhorn Beetle is native to China and was transported to the United States in infested packing material. The Emerald Ash Borer has killed over 20 million trees in Michigan, Ohio, and India, and firewood quarantines aim to prevent new infestations. The Gypsy Moth, which spread to the U.S. in 1870, defoliates trees with oak and aspen being most common hosts, while small mammals and birds prey on the larvae. The Western Pine Beetle infests ponderosa and Coul

1. Tree Pests Creatures That Bug Our Trees Arvin C. Alpuerto Botany 202

2. Asian Longhorn Beetle Native to China Transported to United States in infested packing material

3. Emerald Ash Borer Killed 20 million trees in Michigan, Ohio, and India Firewood quarantines to prevent new infestations

4. Gypsy Moth Spread to U.S. in 1870 Oaks and Aspens are most common hosts Larva defoliate trees Small mammals and birds are predators

5. Western Pine Beetle Infest Ponderosa and Coulter pine trees Mainly Western states Trees loss considered normal ecological process

7. Forestry.about.com