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Tree Pests. Creatures That Bug Our Trees Marina Del Conte Botany 202. Asian Longhorn Beetle. Native to China Transported to United States in infested packing material. Emerald Ash Borer. Killed 20 million trees in Michigan, Ohio, and Indiana

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tree pests

Tree Pests

Creatures That Bug Our Trees

Marina Del Conte

Botany 202

asian longhorn beetle
Asian Longhorn Beetle
  • Native to China
  • Transported to United States in infested packing material
emerald ash borer
Emerald Ash Borer
  • Killed 20 million trees in Michigan, Ohio, and Indiana
  • Firewood quarantines to prevent new infestations
gypsy moth
Gypsy Moth
  • Spread to U.S. in 1870
  • Oaks and Aspens are most common hosts
  • Larva defoliates trees
  • Small mammals and birds are predators
western pine beetle
Western Pine Beetle
  • Infest Ponderosa and Coulter pine trees
    • Mainly western states
  • Tree loss considered normal ecological process
acknowledgements
Acknowledgements
  • Photos and information courtesy of the USDA Forest Service
    • Forestry.about.com