Disrupts Xylem flow
Ambrosia Beetle
Causes a powdery white on leaves
What is Powdery Mildew?
leaf distortion
frost
What's a common way to prevent Douglas Fir Bark Beetles?
Use small fires to slow the spread.
Known as the Firengraver
Bark beetle
Rots the roots away
What is Root Rot?
off colored leaves and needles
light
Name a common prevention method for Hemlock Looper
biological control agents

Hemlock Looper
Causes leaves to wilt and turn purpleish.
What is Laurel Wilt?
pigmentation
air pollution
How can we prevent Carpenter Ants?
Use a bulb duster to spread acid.
Males have black and white wings
Pine butterfly
A disease that wilts leaves on oaks.
What is Oak Wilt?
poor growth
drought
How can we prevent the spread of Ambrosia Beetle?
Landscape borer spray
Can be controlled by fire
Douglas fir bark beetle
Causes progressive crown deterioration and yellowing of the canopy.
What is Sugarberry Dieback?
trunk shattering
lightning
Name a way to prevent the spread of Emerald Ash Borers
Treat trees with insecticides.