Spongy Moth
Spongy moth (formerly gypsy moth) is a destructive insect when the caterpillars occur in large numbers and defoliate trees. This factsheet will help with identification and management of this pest.
Insects
Aphids
Aphids are soft-bodied, insects that feed on plant sap and subsequently excrete a sugary substance that can attract ants as well as support a saprophytic fungus called sooty mold. Learn about aphids found in home gardens in this factsheet.
Viburnum Leaf Beetle
The viburnum leaf beetle (VLB), Pyrrhalta viburni, is an invasive insect that feeds exclusively on and can significantly damage Viburnum species. Identification and control are described in this factsheet.
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.
Aphids, in-depth
Aphids are really fascinating insects, with bizarre lifestyles and eating habits Learn more about this large group of insects and how to manage them in the garden in this article…
Protecting Your Tree From Emerald Ash Borer
EAB was discovered in Wisconsin in 2008 and has been slowly spreading ever since. In this video, entomologists demonstrate how homeowners can protect their trees from this insect.
Homeowner Guide to Emerald Ash Borer Insecticide Treatments
This factsheet describes considerations and products for treating ash trees with insecticides to control Emerald Ash Borer.
Home Landscape Insecticides
This factsheet describes active ingredients available for homeowners and the landscape insects they control.
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.
Degree Days for Common Landscape Insect Pests
This factsheet lists degree days for emergence and hatching of a wide variety of landscape insect pests.
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.
Degree Days for Common Fruit & Vegetable Insect Pests
Common vegetable insects can be monitored using degree days or indicator plants. This factsheet provides degree day information for many common vegetable garden pests.
