Information on private forest pests and diseases, including spiders, worms, scale, caterpillars, weevils, mites, spotted lantern fly, knotweed, multiflora rose and other invasive weeds.
Araneus saevus is found from Canada into the northern United States. It can be seen in forested areas and suburbia with mature landscape plantings.
When02:00 PM 01/02/2019 - 03:00 PM 01/16/2019
Join us for an introductory three-part webinar series and learn how to use herbicides to control forest vegetation.
By Donald Seifrit Length1:14
Learn first-hand how to scrape and destroy spotted lanternfly egg masses, which are visible between October and July.
By Julie Urban Length22:39
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.
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.
By 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.
By David R. Jackson, Art Gover
Tree-of-heaven (Ailanthus altissima) also known as ailanthus, is a rapidly growing deciduous tree native to a region extending from China south to Australia. Spotted Lanternfly, an invasive pest, is particularly attracted to Tree-of-heaven.
Some tips to help you avoid spreading Spotted Lanternfly (SLF) and be in compliance with the Pennsylvania Department of Agriculture (PDA) regulations.
Find out if your business or organization is required to have a Spotted Lanternfly permit in Pennsylvania.
By Heather L Leach, Dave Biddinger, Ph.D.
Recommendations for safe pesticide applications to control spotted lanternfly infestations.
Untested homemade solutions may harm people, pets and plants. Their use can be unsafe and illegal.
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.
By Elizabeth Finlay, Donald Seifrit Length4:33
Banding trees with sticky tape can capture and kill spotted lanternfly nymphs and adults. This non-toxic, inexpensive technique can be used on any tree.
By Dave Biddinger, Ph.D., Heather L Leach
Insecticide recommendations for spotted lanternfly in tree fruit, updated August 2018.
Spotted Lanternfly, Lycorma delicatula, is a new threat to Pennsylvania and the United States, and experts are still learning how to combat it.
By Dave Biddinger, Ph.D., Heather L Leach
Insecticide recommendations for spotted lanternfly in grape, updated August 2018.
More Online Courses
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.
By 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.
Penn State researchers are studying how feeding damage caused by the spotted lanternfly affects grapevine health and the quality and quantity of the fruit.
Learn about invasive plants spreading through northern Pennsylvania. Presentations and field tours will cover ID, ecology and biology of several invasive plants as well as using iMapInvasives to monitor where they occur.
This article summarizes one method of capturing and killing spotted lanternfly (SLF): placing sticky bands on trees.
This presentation describes how volunteers should place bands on trees and enter their data.
This webinar discusses the options you have to control spotted lanternfly based on the life cycle of the insect through the year.
By David R. Jackson Length17:23
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.
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.