Pests and Diseases

Recommendations for managing weeds, pests and diseases, including rot, scale, blight, mold, gall, canker, lichens, rusts and mildew. Tips on dealing with moths, caterpillars, worms, beetles, borers, spiders and lanternflies.

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Photo: Holly Raguza, Pennsylvania Department of Agriculture
How You Can Comply with the Spotted Lanternfly Quarantine Regulations - Guides and Publications Guides and Publications
Free
Some tips to help you avoid spreading Spotted Lanternfly (SLF) and be in compliance with the Pennsylvania Department of Agriculture (PDA) regulations. More
Dead spotted lanternfly at the base of a treated tree. Photo by Pennsylvania Department of Agriculture
Treating Black Walnuts with Insecticides for Spotted Lanternfly Control - Articles Articles
Recommendations for safe pesticide applications to control spotted lanternfly infestations. More
An adult spotted lanternfly. Photo by Pennsylvania Department of Agriculture
Avoid Home Remedies to Control Spotted Lanternfly - Articles Articles
Untested homemade solutions may harm people, pets and plants. Their use can be unsafe and illegal. More
While spotted lanternflies will feast on a variety of plant species, they have a special fondness for Ailanthus, or tree-of-heaven. Photo: Emily Swackhamer
Spotted Lanternfly Expert Provides Tips for Home Management of Pest - News News
The pest harms host plants and can render outdoor areas unusable by leaving behind honeydew, which attracts other insects and promotes the growth of sooty mold. More
Updated Insecticide Recommendations for Spotted Lanternfly on Tree Fruit
Updated Insecticide Recommendations for Spotted Lanternfly on Tree Fruit - Articles Articles
Insecticide recommendations for spotted lanternfly in tree fruit, updated August 2018. More
Spotted Lanternfly: What to Look For
Spotted Lanternfly: What to Look For - Articles Articles
Spotted Lanternfly, Lycorma delicatula, is a new threat to Pennsylvania and the United States, and experts are still learning how to combat it. More
Spotted lanternfly feeding on grapevine. Image by Erica Smyers.
Updated Insecticide Recommendations for Spotted Lanternfly on Grape - Articles Articles
Insecticide recommendations for spotted lanternfly in grape, updated August 2018. More
Spotted Lanternfly Permit Training for Businesses
Spotted Lanternfly Permit Training for Businesses - Online Courses Online Courses
Free
Spotted lanternfly is an invasive insect that can damage many crops. Learn best practices to stop its spread. Businesses operating in the quarantine zone must have permits to move equipment and goods within and out of the zone. More
Overall picture of white oak impacted by cynipid wasp galls. Photo: Sandy Feather, Penn State
Cynipid Wasp Galls: Making A Mess of White Oaks - News News
The Extension office received a sample of damaged white oak leaves from the North Hills of Pittsburgh. Given the amount of rain we have had all year, anthracnose was a possible suspect. More
Spotted Lanternfly Grape Pest Alert
Spotted Lanternfly Grape Pest Alert - Articles Articles

Spotted Lanternfly Grape Pest Alert

Heather L Leach, Michela Centinari, Ph.D.

This fact sheet provides identification, damage, quarantine, and management information for the spotted lanternfly, an invasive sap-feeding planthopper that feeds on the vine trunk, shoots, and leaves of grape plants, among other crops. More
Adult spotted lanternflies. Photo Credit: E. Smyers
Spotted Lanternfly Management for Homeowners - Articles Articles

Spotted Lanternfly Management for Homeowners

Heather L Leach, Dave Biddinger, Ph.D., Grzegorz (Greg) Krawczyk, Ph.D.

A guide that reviews the identification, life cycle, current distribution, and techniques for managing spotted lanternfly on your property. More
Volunteers from Penn State's Fruit Research and Extension Center help prepare holes for planting grapevines at Manatawny Creek Vineyard in Berks County, the location of the research. Image: Erica Smyers
Lanternfly's Penchant for -- and Potential to Harm -- Grapevines Focus of Study - News News
Penn State researchers are studying how feeding damage caused by the spotted lanternfly affects grapevine health and the quality and quantity of the fruit. More
Photo credits below
Will the Quarantine Effort for Spotted Lanternfly Work? - News News
For the past few years, there have been numerous Penn State Extension articles on the emerging spotted lanternfly (SLF) issue. More
Designing Your Vegetable Garden
Dig In - Your Guide to a Successful Vegetable Garden - News News
Presented by the Penn State Master Gardeners of Lackawanna County. More
Plant infested with boxwood leaminer. Photo: Sandy Feather, Penn State
It’s Spring, and Soon the Boxwoods Will Sing - News News
Many years ago, a homeowner called our office with a question about why her boxwoods were making noise. More
Spotted lanternflies captured on a sticky band. Photo: Emelie Swackhamer, Penn State
Spotted Lanternfly Management: Placing Sticky Bands on Trees - Articles Articles
This article summarizes one method of capturing and killing spotted lanternfly (SLF): placing sticky bands on trees. More
Spotted Lanternfly: Volunteer Banding Program
Spotted Lanternfly: Volunteer Banding Program - Videos Videos
This presentation describes how volunteers should place bands on trees and enter their data. More
Spotted Lanternfly: Management Options through the Seasons
Spotted Lanternfly: Management Options through the Seasons - Videos Videos
This webinar discusses the options you have to control spotted lanternfly based on the life cycle of the insect through the year. More
Spotted Lanternfly: Research Update
Spotted Lanternfly: Research Update - Videos Videos

Spotted Lanternfly: Research Update

Julie Urban

22:39

A lot of scientific research is being done to increase our understanding about how the spotted lanternfly behaves and what management methods might be effective. More
Identifying Tree-of-Heaven and Some Native Look-a-Likes
Identifying Tree-of-Heaven and Some Native Look-a-Likes - Videos Videos
Tree-of-heaven a preferred host of the invasive insect, the spotted lanternfly (SLF.) The tree is used to help monitor for SLF and also as a “trap” trees to help control SLF populations. More
Spotted Lanternfly Public Meetings
Spotted Lanternfly Public Meetings - Workshops Workshops

Spotted Lanternfly Public Meetings

Multiple Options Available

Free
Spotted lanternfly is an invasive insect that has spread throughout southeastern Pennsylvania and surrounding states. Learn how to recognize spotted lanternfly and what you can do to help stop its spread. More
Georgia Department of Ag., Bugwood.org
It's Time to Plant! - Workshops Workshops
Come join Penn State Master Gardeners of Carbon County as they present their spring workshop "It's Time to Plant." More
Magnolia Leaf-Footed Bug
Magnolia Leaf-Footed Bug - Articles Articles

Magnolia Leaf-Footed Bug

Michael J. Skvarla

Magnolia leaf-footed bugs are brown bugs occasionally found on magnolia. They do not pose a risk to human health and do not cause damage to or reduce the vigor of infested trees, but may be nuisance pests. More
Snow damage on juniper. Photo credit Sandy Feather.
Winter Damage to Trees and Shrubs - Articles Articles
Learn the best ways to prevent and remedy damage to trees and shrubs caused by ice and snow. More
Spotted Lanternfly Conference for the Green Industry
Spotted Lanternfly Conference for the Green Industry - Workshops Workshops
Updates on the Spotted Lanterfly for Green Industry Professionals. More
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