These include various boring, insects and leaf defoliators that may cause damage to ornamental trees and shrubs.
- Bagworms
- Barklice/Psocids
- Basswood Leafminer
- Boxelder Bug
- Cedar Beetle
- Elm Leaf Beetle
- Emerald Ash Borer
- Euonymus Scale
- Fall Webworm
- Giant Inchneumonid Wasps
- Hackberry Psyllids
- Hawthorn Leafminer
- Hawthorn Mealybug
- Japanese Beetle
- Kermes scale
- Lace Bugs
- Magnolia Scale
- Mimosa Webworm
- Pigeon Horntail
- Solitary Oak Leafminer
- Spruce Needleminer
- Subterranean Termites
- Woolly Aphids
- Zimmerman Pine Moth