creatures that bug our trees tommy insley botany 202
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Tree PestCreatures That Bug Our Trees
Tommy InsleyBotany 202
Asian Longhorn Beetle Native to China. Transport to United
States in infested packing material.
Emerald Ash Borer Kill 20 million trees
in Michigan, Ohio, and Indiana.
Firewood quarantines to prevent new infestations.
Gypsy Moth Spread to U.S in
1970. Oaks and Aspens
are most common host.
Larva defoliate trees
Small mammals and birds are predators.
Western Pine Beetles Infest Ponderosa
and Coulter pine trees.Mainly Western
states
Trees loss considered normal ecological process
Acknowledgements Photos and information courtesy of the
USDA Forest Service.• forestry.about.com
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