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Understanding Tree Pests: A Guide to Common Threats Affecting Our Trees

Explore the significant tree pests that threaten forests across the United States, including the Asian Longhorn Beetle, Emerald Ash Borer, Gypsy Moth, and Western Pine Beetle. From the devastating impact of the Emerald Ash Borer, which has killed millions of trees, to the ecological role of the Western Pine Beetle in maintaining tree population dynamics, this guide offers insights into the threats posed by these pests. Learn about their habits, host trees, and the importance of firewood quarantines in preventing new infestations. Information courtesy of the USDA Forest Service.

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Understanding Tree Pests: A Guide to Common Threats Affecting Our Trees

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  1. Tree Pests Creatures That Bug Our Trees DeAirra Cropper Botany 202

  2. Asian Longhorn beetle • Native to China • Transported to United States in infested pack material

  3. Emerald Ash borer • Killed 20 million trees in Michigan, Ohio, and Indiana • Firewood quarantines to prevent new infestations

  4. Gypsy moth • Spread to U.S. in 1870 • Oaks and Aspens are most commons 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

  6. Acknowledgement • Photos and information courtesy of the USDA Forest Service • forestry.about.com

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