Invasive Pests

Invasive Insects

Invasive insects damage the ecosystem by excluding native insects from their natural environment, usually through out-competing for food resources.  In addition, invasive insects can damage or kill trees and other plants.  Learn about some of the invasive insects that are found in Wisconsin and how to manage them if you find them.

Identifying Brown Marmoted Stinkbug

Identifying Emerald Ash Borer

Emerald Ash Borer Field Guide, from WI DNR

Identifying Japanese Beetle

Identifying Spotted Wing Drosophila

You can learn more about invasive species at the Hungry Pests website.

Other Invasive Species

Crazy Worms