1. Creatures That Bug our Tress
Raziel B. Lucagbo
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
 Oaksand Aspens are
most common host
 Larva defoliate tress
 Small mammals and
birds are predators

5.  InfestPonderosa and
Coulter pine trees
• Mainly Western State
 Tree loss considered
normal ecological
process

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