Insects and pests

Elongate hemlock scale, sometimes called fiorinia scale, is a significant pest of hemlock in its invaded range in eas…

Emerald ash borer was first discovered in southeastern Michigan in 2002. Accidentally introduced on solid wood packin…

Strawberry trees, or ornamental varieties in the genus Arbutus (A. unedo and Arbutus x ‘Marin…

Euonymus scale (Unaspis euonymi Comstock) is an armored scale. Armored scales s…

The European hornet (Vespa crabro) was introduced to North America in the 1840s. Since arriving, this insect…

The fall webworm, Hyphantria cunea (Drury), is a native pest of shade and ornamental trees throughout much of North A…

The forest tent caterpillar, Malacosoma disstria, is a native pest to North America and is found throughout …

The Formosan subterranean termite is considered to be the most aggressive and destructive species of termite in the w…

Scales insects are an unusual group that look and behave very differently than most insect pests encountered on trees…