Insects and pests

Ambrosia beetles on oak and beech are a type of bark beetle/wood borer that bores into stems and branches of trees an…

Aphids are a large group of small, soft-bodied insects with a modified, needle-like mouthpart (called a “stylet…

Arborvitae leafminer (Argyresthia thuiella Packard) is one of four eastern species of leafminers whose prefe…

Asian longhorned beetle (ALB) is a destructive pest of maple and other deciduous trees. ALB larvae bore into stems an…

The bagworm is an unusual caterpillar and serious defoliating pest of many ornamental trees and shrubs throughout the…

Balsam woolly adelgid (BWA), Adelges piceae, is a small but significant pest of…

Beech blight aphid (Grylloprociphilus imbricator) is a species of woolly aphid that forms dense colonies on …