Pests and Diseases

Information on private forest pests and diseases, including spiders, worms, scale, caterpillars, weevils, mites, spotted lantern fly, knotweed, multiflora rose and other invasive weeds.

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Keep your permit in your vehicle. Photo: Emelie Swackhamer, Penn State
How to Get a Spotted Lanternfly Permit From the PA Department of Agriculture - News News
The Pennsylvania Department of Agriculture (PDA) is requiring Pennsylvania businesses to get spotted lanternfly (SLF) permits. 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
Spotted lanternfly empty egg cases. Photo: Emelie Swackhamer, Penn State
Spotted Lanternfly Permits for Transporting Goods - News News
The spotted lanternfly permitting process is new in the Pennsylvania quarantined area for business, government, and other organizations. 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: Living with the Quarantine
Spotted Lanternfly: Living with the Quarantine - Videos Videos
The Pennsylvania Department of Agriculture has enacted a quarantine order in counties that are infested with the spotted lanternfly. 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
Perdue Announces Emergency Funding for Spotted Lanternfly in Pennsylvania
Perdue Announces Emergency Funding for Spotted Lanternfly in Pennsylvania - News News
U.S. Secretary of Agriculture Sonny Perdue today announced $17.5 million in emergency funding to stop the spread of the spotted lanternfly in southeastern Pennsylvania. More
What To Do If You Find the Spotted Lanternfly on Your Property
What To Do If You Find the Spotted Lanternfly on Your Property - Articles Articles
This insect is considered a threat to some crops and many people are working to try to prevent it from spreading. More
Photo: Holly Raguza, Pennsylvania Department of Agriculture
Spotted Lanternfly: Tips for Handling Yard Waste in Quarantined Areas - Articles Articles
To prevent the movement of this insect, avoid moving yard waste such as woody plant debris (fallen trees or branches and tree trimmings) outside the quarantine area. More
Photo: Holly Raguza, Pennsylvania Department of Agriculture
How You Can Comply with the Spotted Lanternfly Quarantine Regulations - Articles Articles
Some tips to help you avoid spreading Spotted Lanternfly (SLF) and be in compliance with the Pennsylvania Department of Agriculture (PDA) regulations. More
Spotted Lanternfly IPM Management Calendar
Spotted Lanternfly IPM Management Calendar - Articles Articles

Spotted Lanternfly IPM Management Calendar

Emelie Swackhamer, David R. Jackson, Art Gover

There are various management techniques to consider to destroy or control the Spotted Lanternfly. Learn the recommended methods to use during certain times of the year. More
Invasive Forest Plants of the Mid-Atlantic
Invasive Forest Plants of the Mid-Atlantic - Guides and Publications Guides and Publications

Invasive Forest Plants of the Mid-Atlantic

Allyson Brownlee Muth, Ed.D., Sky Templeton

72

$10.00
Identify invasive grasses, herbs, shrubs, trees, and vines often found in your Pennsylvania forests and woodlots. More
Photo credit: Pennsylvania Department of Agriculture
PDA Adds 7 Counties to Spotted Lanternfly Quarantine Zone - News News
The quarantine area for spotted lanternfly has expanded and changed from municipal to county-level in an effort to protect at-risk areas. More
Fresh spotted lanternfly egg masses. Photo: Emelie Swackhamer, Penn State
Fall is Egg-laying Season for the Spotted Lanternfly - News News
The Spotted Lanternfly (SLF) continues to be a significant landscape pest in southeastern Pennsylvania. More
Do Lichens Cause Harm to Trees?
Do Lichens Cause Harm to Trees? - Videos Videos

Do Lichens Cause Harm to Trees?

Scott Weikert

3:50

Lichens are often thought to be a pest or disease to trees and shrubs. More
Why are My Spruce Trees Dying?
Why are My Spruce Trees Dying? - Videos Videos

Why are My Spruce Trees Dying?

Kimberly Bohn, Ph.D.

7:09

Learn how to identify types of spruce trees, symptoms of two common fungal diseases, and what if any treatments are available. More
Herbicide treatments are often used to reduce competition between undesirable vegetation and planted or naturally established tree seedlings.
Chemical Control of Forest Vegetation - Articles Articles
This article details control methods involving pesticides and herbicides by application method. More
Photo: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org, Japanese barberry, Berberis thunbergii, Infestation
The Invasive Japanese Barberry - Articles Articles
Japanese barberry (Berberis thunbergii) is an invasive, non-native woody plant that can grow 3 to 6 feet tall with a similar width. More
Spotted lanternfly 4th instar nymphs. Photo: E. Swackhamer, Penn State
How to Comply with the Spotted Lanternfly Regulations - News News
Lycorma delicatula, commonly known as the spotted lanternfly (SLF), is a new invasive insect in southeastern Pennsylvania. More
James B. Hanson, USDA Forest Service, Bugwood.org
White Pine Weevil - Articles Articles
The white pine weevil is considered the most destructive insect pest of eastern white pine in North America. More
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