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Commonly Encountered Pennsylvania Spiders
Commonly Encountered Pennsylvania Spiders - Articles Articles
This publication discusses the more common and important spider species in Pennsylvania, including two rarely encountered but medically important species. More
Winterizing Sprayer, Photo by Andrew Frankenfield
Late Fall is the Time to Winterize Your Sprayers - Articles Articles
Once the growing season is over and the weather is turning colder it’s time to winterize your pesticide sprayer before it gets too cold and causes damage to sprayer components. The following are tips to guide you. More
Pesticide Applicator
Pesticide Applicator Short Courses - Articles Articles
Pesticide applicator short courses prepare professionals in a classroom-style setting to take the certified pesticide applicator’s exam. 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
Navigating the PaPlants Website
Navigating the PaPlants Website - Articles Articles
Learn how to access information in the Pennsylvania Department of Agriculture's PaPlants website and how being a registered user can provide even more information. 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
Bigstock.com
Ticks and Tickborne Disease - Articles Articles

Ticks and Tickborne Disease

Erika Machtinger

Tick bite prevention tips to reduce your risk More
Lyme Disease
Lyme Disease - Articles Articles

Lyme Disease

Erika Machtinger, Steve Jacobs

Lyme disease is an infection caused by the Borrelia burgdorferi bacteria and is transmitted by ticks. More
Tree of heaven leaves. Credit: Bigstock
Tree-of-Heaven - Articles 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
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
Are Home Remedies a Good Solution? Penn State Extension Says No!
Are Home Remedies a Good Solution? Penn State Extension Says No! - Articles Articles
Many home remedies can be found on the internet, but are they the best choice? 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
Figure 1. Soybean cyst nematodes females (yellow arrows) and nodules (white arrows) on soybean roots. Photo credit: Penn State Department of Plant Pathology & Environmental Microbiology Archives, Penn State University, Bugwood.org
Plant Parasitic Nematodes Explained - Articles Articles

Plant Parasitic Nematodes Explained

Adriana Murillo-Williams, Alyssa Collins, Ph.D., Paul D. Esker

Have you noticed a decline in yield without a clear explanation? It could be due to plant parasitic nematodes. More
Pesticide Labels and SDSs
Pesticide Labels and SDSs - Articles Articles

Pesticide Labels and SDSs

Sharon I Gripp

Links to pesticide labels and SDSs. 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
Pesticide Laws and Regulations
Pesticide Laws and Regulations - Articles Articles
Many state and federal laws and regulations pertain to the use of pesticides. The major ones in Pennsylvania and nationally are briefly described below. More
Tree Fruit Insect and Mite Control Toolbox - Pesticide Resistance Management
Tree Fruit Insect and Mite Control Toolbox - Pesticide Resistance Management - Articles Articles
A number of insect and mite pests have developed varying levels of resistance to some insecticidal chemistries over the years, including the organophosphates, carbamates, and pyrethroids. More
Tree Fruit Disease Toolbox - Fungicide Resistance Management
Tree Fruit Disease Toolbox - Fungicide Resistance Management - Articles Articles
Resistance has sometimes resulted in pest-management-program failures. Below are presented tactics to help delay resistance to fungicides. More
Tiny, black, spherical structures are produced on stalks above the white mold. Each of these contains thousands of spores that are released to float in the air. Photo by K. Peter.
Stone Fruit Disease - Rhizopus Rot - Articles Articles

Stone Fruit Disease - Rhizopus Rot

Kari A. Peter, Ph.D.

Rhizopus rot, caused by Rhizopus nigricans, can be very destructive to harvested fruit. More
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