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.

Organic and Reduced-Risk Lawn Care

More and more people wish to move in the direction of creating an organic lawn, or what some people call a natural lawn. This publication helps them decide which route to follow: organic lawn care or reduced-risk lawn care.

Degree Day Calculation

Degree Days incorporate temperature and time to quantify the rate of plant and insect development. This useful tool helps predict events such as flowering, harvest, and pest outbreaks.

Phenology

Phenology is a branch of science that studies the life cycles of plants and animals with seasonal changes and weather. Learn more in this factsheet.

Managing Turfgrass Pests in Wisconsin

This publication describes pest management options available to professional turfgrass managers to keep turf in top condition while limiting potential harm to the environment.

Home Turf Insecticides

The need for insecticides on home lawns in Wisconsin is rare. Learn what is available to homeowners to control specific pests that may occur in this factsheet.

European Chafer

An insect pest of turfgrass, European chafer beetle grubs voraciously feed on turfgrass roots and cause thinning, wilting, and irregular dead patches. This fact sheet details the life cycle and recommendations for control.

May/June Beetles

May/June beetles or “Junebugs” are native insects common throughout Wisconsin often be seen near lights on early summer evenings. Learn about these large beetles and their larva in the soil in this factsheet.

Field Ants

Field ants are common in Wisconsin, and noted for producing large mounds that ruin home lawns and interfere with landscape plantings. This factsheet discusses identification and control.

Turfgrass Disorder: Greenbug

Areas of discolored turfgrass,from pale green to yellow to burnt orange, often under shade trees, may be caused by feeding of greenbug, a type of aphid. Learn about greenbug here.

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