Lab 2-2 - r Larva defoliate trees r Small mammals and birds...

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Creatures That Bug Our Trees Robert L. Kerin Botany 202
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Native to China r Transported to United States in infested packing material
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Killed 20 million trees in Michigan, Ohio, and Indiana r Firewood quarantines to prevent new infestations
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Spread to U.S. in 1870 r Oaks and Aspens are most common hosts
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Unformatted text preview: r Larva defoliate trees r Small mammals and birds are predators Infest Ponderosa and Coulter pine trees • Mainly western states r Tree loss considered normal ecological process Photos and information courtesy of the USDA Forest Service • forestry.about.com...
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  • Fall '09
  • RondaWilliams
  • Native Americans in the United States, U.S. state, United States Forest Service, Robert L. Kerin Botany

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