1. Creatures That Bug Our Trees
Johanna Neri
Botany 202

2. Native to china transported
to United States in infested
packing material

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

4. Spread to U.S. in 1870
Oaks and Aspens are
most common hosts
Larva defoliate trees
Small mammals and
birds are predators

5. Infest ponderosa and
Coulter pine trees
Mainly Western sates
Trees loss considered
normal ecologic process

6.  Photosinformation courtesy of the USDA
Forest Service
• forestry.about.com