Asian longhorned beetle is an invasive insect that kills many kinds of trees, including maples. Discover how to identify these beetles and the signs they leave behind.

Emerald ash borer is considered the most devastating invasive insect in North American forests. It attacks ash trees. Discover how to identify these dangerous insects and the signs they leave behind.

Hemlock wooly adelgid attacks hemlock trees, which commonly grow on steep slopes near streams. Discover how to identify this insect and the signs they leave behind.

The spotted lanternfly is an emerging invasive insect that can damage many trees and fruit crops. Learn to identify this pest so you’re ready when it reaches your land.