African fig fly is an invasive vinegar fly related to spotted wing drosophila. It’s being carefully monitored in Wisconsin due to unknown potential impact. Learn more here.
This factsheet describes the symptoms, life cycle, monitoring methods and control of San José scale (Diaspidiotus perniciosus), which is a concern in poorly managed orchards.
If you’re looking for a small tree with attractive white blossoms in spring and small fruits that can be food for animals or humans, consider one of several species of serviceberry. To learn more, read this article…
Sawflies are a group insects related to wasps. The plant-feeding larvae often look like caterpillars or slugs, and large numbers cause noticeable defoliation on their hosts. Learn more about sawflies in this article…
Eastern filbert blight is a potentially serious fungal disease found throughout the United States, affecting Corylus species, commonly known as hazelnuts or filberts. Symptoms and management are described in this factsheet.
Spotted lanternfly (SLF) is an invasive planthopper native to Asia. Though not yet found in Wisconsin, SLF has potential for severe damage on a large plant host range. Learn what to watch for with this new pest.
Cucumber mosaic is a viral disease that affects a wide range of fruits, vegetables, herbaceous and woody ornamentals, and weeds. This factsheet covers identification and ways to prevent this incurable disease.
Skeletonizing of leaves of roses, raspberries, grapes and other plants may be caused by adult rose chafers. Learn to identify and manage rose chafer in this publication.
Root-knot nematodes are small, soilborne, worm-like organisms that infect many agricultural and horticultural plants. This publication describes the symptoms, and management of root-knot nematodes in Wisconsin.
Foliar nematodes are microscopic worm-like organisms that live in and on leaves (and other above-ground plants parts). Learn what to look for and how to manage foliar nematodes in this factsheet.
This publication describes plant damage caused by deer, and illustrates numerous methods for protecting plants from deer.
Southern blight is a lethal fungal disease that is most common in the tropics and subtropics, but can cause problems in temperate locations like Wisconsin during periods of warm, moist weather. Learn more here.