Plum Curculio

Plum curculio is one of the most common and detrimental pests of apple and other fruits in Wisconsin. Learn about the life cycle, damage patterns, and control options to effectively manage plum curculio.

European Pine Sawfly, Neodiprion sertifer

If you’ve noticed masses or writhing, dark green “caterpillars” on your pine trees this spring, you likely have an infestation of European pine sawfly.  To learn more about this pest, read this article…

Apple Maggot: Scourge of Home Apple Production

If you have an apple tree in your backyard, you’ve probably found out that apple maggot likes your fruit as much as you do. Learn more about this pesky fly and what to do about it in this article…

Spotted Wing Drosophila

Spotted wing Drosophila is an invasive vinegar fly that can affect a wide variety of fruits, especially raspberries, in Wisconsin. Learn identification and management techniques in this factsheet.

Create a Butterfly Garden

Colorful butterflies can add a lot to a garden. With just a little extra planning and proper plant selection you can encourage these pretty creatures to visit, and maybe even get caterpillars to grow in your yard. Learn how to create a butterfly garden that will be attractive to many different types of butterflies in this article…

Japanese Beetle

The Japanese beetle, Popillia japonica, is a significant pest of landscape trees and shrubs, vegetable and fruit crops, and turfgrass. This factsheet describes the lifecycle of this beetle along with management and control options.

Fungus Gnats on Houseplants

Fungus gnats (Family Sciaridae) are insects commonly associated with overwatered houseplants. They can become a nuisance when they are present in large numbers and fly around inside a home. In most situations, fungus gnats are a cosmetic problem. However, on occasion, fungus gnat larvae can cause plant damage.

Zimmerman Pine Moth

While Zimmerman pine moth prefers Austrian and Scots pines, it will also attack Eastern white and mugo pines in the landscape. Learn about damage caused by this pest and control strategies in this factsheet.

Plant Flowers to Encourage Beneficial Insects

If you plant them, they will come. Planting flowers will encourage many beneficial insects because they need nectar and pollen as adults. But some flowers are better than others for attracting small wasps and flies that are predators or parasitoids of pest insects. To learn more about which flowers are best for natural enemies read this article…

Pine Root Collar Weevil

Pine root colar weevil is a destructive pest of pines, including Austrian, Scots, red and Eastern white. Learn synptoms and how to protect your trees in this factsheet.

Ips Bark Beetle

Ips bark beetle, also known as the pine engraver, is an insect that attacks and kills weak, stressed, declining and dying pine and spruce trees. Identification and management are covered in this fact sheet.

Boxelder Bug, Boisea trivittatus

Pesky boxelder bugs are very noticeable in the fall when they congregate before overwintering in buildings. To learn more about this nuisance pest, read this article…

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