Tree pests
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  • 1. Creatures That Bug Our Trees John Anthony Magto Botany 202
  • 2. Native to chinatransported to UnitedStates in infestedpacking material
  • 3. Killed 20 million treesin Michigan, Ohio,and Indiana.Firewoodquarantines toprevent newinfestations
  • 4. Spread to U.S. in 1870Oaks and Aspens aremost common hostsLarva defoliate treesSmall mammals andbirds are predators
  • 5. Infest ponderosa andCoulter pine treesMainly Western satesTrees lossconsidered normalecologic process
  • 6.  Photosinformation courtesy of the USDA Forest Service  Forestry.about.com