WorksheetsTree Disorders/Pests
Total questions: 20
Worksheet time: 10mins
Look like small bumps on twigs & branches
Aphids
Scale
Tent Moth
Aphids
Scale
Heart Rott
Insecticides can harm the pest but not beneficial insects
True
False
This insect has a shiny black body with white spots and striped antennae
Gypsy moth
Hemlock woolly adelgid
Asian longhorn beetle
This damage is caused by what?
Cicada
Scale
Heart rott
A fungal disease that causes the decay of wood at the center of the trunk
Canker
Scale
Heart rott
How can you control/prevent cicada infestations?
Cover small trees
Clip off and destroy damage
Don't plant new trees within 4 years of cicada emergence
Heart rott
Hemlock woolly adelgid
Camker
More than 50,000 known species
Aphids
Rust
Scale
Copper spray and sulfur powder prevents what?
Rust
Scale
Gypsy moth
Gypsy moth
Tent caterpillar
Hemlock woolly adelgid
Chemical insecticides can be used for tent caterpillars
True
False
Native to east Asia
Asian longhorn beetle
Gypsy moth
Hemlock woolly adelgid
Scale
Aphid
Hemlock woolly adelgid
This is a good indicator of what?
Cicadas
Heart rott
Tent moths
Gypsy moth
Tent caterpillar
Asian longhorn beetle
Which type of scale produces honeydew?
Hard
Soft
Ladybugs are a beneficial insect for many disorders
False
True
Humans, animals, and the weather can all be tree disorders/pests
True
False
Pruning and watering helps prevent certain disorders
False
True
