Articles
Articles
Articles Fierce Orbweaver
Steve Jacobs
Araneus saevus is found from Canada into the northern United States. It can be seen in forested areas and suburbia with mature landscape plantings. More
Articles Timber Market Report: 2018 3rd Quarter
Charles David Ray, Ph.D.
Timber stumpage and pulpwood prices in Pennsylvania, for the third quarter of 2018. July-September 2018. More
Articles Integrated Forest Vegetation Management
David R. Jackson
To sustain healthy forest ecosystems it is necessary to consider multiple vegetation management practices using a systematic approach called Integrated Vegetation Management (IVM). More
Articles Spotted Lanternfly: Tips for Handling Yard Waste in Quarantined Areas
Emelie Swackhamer
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
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
Articles Tree-of-Heaven
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. More
Articles How You Can Comply with the Spotted Lanternfly Quarantine Regulations
Emelie Swackhamer
Some tips to help you avoid spreading Spotted Lanternfly (SLF) and be in compliance with the Pennsylvania Department of Agriculture (PDA) regulations. More
Articles Find out if your business or organization is required to have a Spotted Lanternfly permit in Pennsylvania. More
Articles Treating Black Walnuts with Insecticides for Spotted Lanternfly Control
Heather L Leach, Dave Biddinger, Ph.D.
Recommendations for safe pesticide applications to control spotted lanternfly infestations. More
Articles Avoid Home Remedies to Control Spotted Lanternfly
Heather L Leach
Untested homemade solutions may harm people, pets and plants. Their use can be unsafe and illegal. More
Articles Updated Insecticide Recommendations for Spotted Lanternfly on Tree Fruit
Dave Biddinger, Ph.D., Heather L Leach
Insecticide recommendations for spotted lanternfly in tree fruit, updated August 2018. More
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
Articles Updated Insecticide Recommendations for Spotted Lanternfly on Grape
Dave Biddinger, Ph.D., Heather L Leach
Insecticide recommendations for spotted lanternfly in grape, updated August 2018. More
Articles Timber Market Report: 2018 2nd Quarter
Charles David Ray, Ph.D.
Timber stumpage and pulpwood prices in Pennsylvania, for the second quarter of 2018. April - June 2018. More
Articles Asian Longhorned Tick, Haemaphysalis longicornis
Erika Machtinger, Michael J. Skvarla
The Asian Longhorned tick is a recent invasive tick to Pennsylvania. This tick can be found on wildlife and on livestock. It is important to be aware of the presence of this tick and to implement prevention and control measures when necessary. More
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
Articles Wood Products Document Library
Charles David Ray, Ph.D.
A listing of hard-to-find reference sources and documents related to Wood Products More
Articles January 2018 - March 2018 More
Articles Do You Know How Many Oaks There Are?
Charles David Ray, Ph.D.
This article discusses the number of oaks that are identified as unique species. More
Articles Spotted Lanternfly Management: Placing Sticky Bands on Trees
Emelie Swackhamer
This article summarizes one method of capturing and killing spotted lanternfly (SLF): placing sticky bands on trees. More
Articles Timber Prices: 10 Year Trends Methodology
Michael Jacobson, Ph.D.
This article describes the methodology used to create the Timber Prices: 10 Year Trends graphs. More
Articles What is the Difference Between Hardwood and Softwood?
Charles David Ray, Ph.D.
Most people think hardwood is hard, and softwood is soft. Sometimes true, but not necessarily. More
Articles Where Does Lumber Come From?
Charles David Ray, Ph.D.
This article demonstrates in text and visuals just where lumber comes from. More
Articles Timber Market Report: 2017 4th Quarter
Michael Jacobson, Ph.D.
October 2017 - December 2017 More
Articles What To Do If You Find the Spotted Lanternfly on Your Property
Emelie Swackhamer
This insect is considered a threat to some crops and many people are working to try to prevent it from spreading. More