Recommendations for managing weeds, pests and diseases, including rot, scale, blight, mold, gall, canker, lichens, rusts and mildew. Tips on dealing with moths, caterpillars, worms, beetles, borers, spiders and lanternflies.
Lycorma delicatula, commonly known as the spotted lanternfly (SLF), is an invasive insect pest present in Pennsylvania and some other eastern states. SLF threatens grape production, tree health and it is a nuisance in landscapes. More
Heather L Leach, Dave Biddinger, Ph.D., Grzegorz (Greg) Krawczyk, Ph.D., 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
A guide that reviews the identification, life cycle, and techniques for managing SLF. While it can cause significant damage to plants, it is a nuisance pest in the ornamental and landscape industries. More
With recent efforts to combat the threat of spotted lanternfly Penn State Extension has recently completed several useful resources to help with the identification and control of tree-of-heaven, commonly referred to as Ailanthus. More
In response, consumers, distributors, and pesticide applicators are advised to cease the sale and use of this product. A press release by the Pennsylvania Department of Agriculture highlights the details of this unfolding story. More
If you have spotted lanternflies, you can wrap sticky bands around tree trunks to stop them. This fact sheet will tell you how to make or where to purchase sticky traps, how to install them, and ways to avoid bycatch. More
As if boxwood blight is not enough to keep growers, landscape architects, and landscape contractors up at night, an insect that is devastating box forests and landscape plantings across Europe has shown up in Ontario, Canada. Meet the box tree moth! More
Camphor shoot borers are an introduced species of ambrosia beetle that attack small-diameter branches and trunks of stressed, weakened, and dying trees. They also accidentally bore holes into plastic gasoline containers, hoses, and tanks. More