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Tree of heaven leaves. Credit: Bigstock
Tree-of-Heaven - Articles Articles

Tree-of-Heaven

David R. Jackson

Tree-of-heaven (Ailanthus altissima) also known as ailanthus, Chinese sumac, and stinking sumac 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
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
Does Your Business Need a Spotted Lanternfly Permit?
Does Your Business Need a Spotted Lanternfly Permit? - Articles Articles
Find out if your business or organization is required to have a Spotted Lanternfly permit in Pennsylvania. 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
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
Timber Market Report: 2018 2nd Quarter
Timber Market Report: 2018 2nd Quarter - Articles 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
Asian longhorned ticks are can be found on deer and other wildlife, as well as livestock and companion animals.
Asian Longhorned Tick, Haemaphysalis longicornis - Articles 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
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
Wood Products Document Library
Wood Products Document Library - Articles 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
Quercus shumardii, the Shumard Oak. (Penn State Xylarium).
Do You Know How Many Oaks There Are? - Articles 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
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
Timber Prices: 10 Year Trends Methodology
Timber Prices: 10 Year Trends Methodology - Articles Articles
This article describes the methodology used to create the Timber Prices: 10 Year Trends graphs. More
Real Wood - but is it hardwood, or softwood?
What is the Difference Between Hardwood and Softwood? - Articles Articles
Most people think hardwood is hard, and softwood is soft. Sometimes true, but not necessarily. More
A rendering of a log sawn into board products. http://www.vincentkohler.ch/billon.html
Where Does Lumber Come From? - Articles Articles

Where Does Lumber Come From?

Charles David Ray, Ph.D.

This article demonstrates in text and visuals just where lumber comes from. More
Timber Market Report: 2017 4th Quarter
Timber Market Report: 2017 4th Quarter - Articles Articles

Timber Market Report: 2017 4th Quarter

Michael Jacobson, Ph.D.

October 2017 - December 2017 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
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
Timber Market Report Archives
Timber Market Report Archives - Articles Articles

Timber Market Report Archives

Michael Jacobson, Ph.D.

Each Timber Market Report reflects the stumpage and mill prices over a three-month period. The report is intended to describe general trends in the market and ignore specific timber tract variation. More
Timber Market Report: 2017 3rd Quarter
Timber Market Report: 2017 3rd Quarter - Articles Articles

Timber Market Report: 2017 3rd Quarter

Michael Jacobson, Ph.D.

Price data for July 2017 - September 2017 More
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