Creatures That Bug Our Trees               Johanna Neri                 Botany 202
Native to china transportedto United States in infestedpacking material
Killed 20 million trees inMichigan, Ohio, andIndiana. Firewoodquarantines to preventnew infestations
Spread to U.S. in 1870Oaks and Aspens aremost common hostsLarva defoliate treesSmall mammals andbirds are predators
Infest ponderosa andCoulter pine trees   Mainly Western satesTrees loss considerednormal ecologic process
 Photosinformation courtesy of the USDA Forest Service  •   forestry.about.com
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Tree pests 2

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Tree pests 2

  1. 1. Creatures That Bug Our Trees Johanna Neri Botany 202
  2. 2. Native to china transportedto United States in infestedpacking material
  3. 3. Killed 20 million trees inMichigan, Ohio, andIndiana. Firewoodquarantines to preventnew infestations
  4. 4. Spread to U.S. in 1870Oaks and Aspens aremost common hostsLarva defoliate treesSmall mammals andbirds are predators
  5. 5. Infest ponderosa andCoulter pine trees Mainly Western satesTrees loss considerednormal ecologic process
  6. 6.  Photosinformation courtesy of the USDA Forest Service • forestry.about.com

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