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Cover photo for Wasps at Porch Lights

Wasps at Porch Lights

In recent weeks we’ve been getting a lot of messages regarding large wasps coming to porch lights. In all …

Oak lecanium scales and eggs on willow oak. Photo: SD Frank

Lecanium Scales Full of Eggs

Oak lecanium scale and European fruit lecanium are nearly identical soft scales that infest oaks and many other tree …

Larvae of the larger elm leaf beetle. Photo: Gerald J. Lenhard, Louiana State Univ, Bugwood.org

Larger Elm Leaf Beetle

Elms have lots of pests. This week I have had several reports of larger elm leaf beetles, Monocesta coryli, …

Sawfly larvae, probably Caliroa quercuscoccineae, on a red oak and the window pane damage they cause. Photo: SD Frank

Sawflies Feeding on Oaks

Oaks have hundreds of herbivores so it is no wonder that towards the end of summer some of the …

Beech blight aphids (Grylloprociphilus imbricator) on a beech twig. Photo:SD Frank

Beech Blight Aphids

You might notice twigs on beech trees covered in a woolly sleeve. Get closer and it will begin to …

Oak lace bug adults, nymphs, and eggs on the underside of an oak leaf. Photo: SD Frank

Oak Lace Bug Damage

Oak lace bugs (Corythucha arcuata), like other lace bugs, cause stippling on leaves. Oak lace bugs, of course, feed …

Tulip tree scales and white fluffy lady beetle larvae on a tulip poplar twig. Photo:SD Frank

Natural Enemies in Disguise

Tulip tree scales and other soft scales are maturing and producing a lot of honeydew. This makes people notice …

Recent Publications related to Forest Resources

Understanding Forestry Terms: A Glossary for Private Landowners

This publication lists and defines more than 150 forest resource terms to help you in …

5 days agoWoodland Owner Notes
Living clover ground cover shown between two rows of Fraser fir Christmas trees with vigorous new growth on trees

Christmas Tree Production Best Management Practices to Protect Water Quality and the Environment

This publication identifies best management practices (BMP's) that protect water quality and the environment on …

6 days agoFarm*A*Syst
A tree covered in white flowers

Callery Pear: 'Bradford' and Other Varieties and Their Invasive Progeny

This factsheet identifies several varieties of the ornamental Callery Pear tree and their impacts on …

7 days agoInvasive Forest Pests
A green leaf on a white background; the green leaf has missing tissue in a zigzag pattern

Elm Zigzag Sawfly

The elm zigzag sawfly is an invasive species first reported in North America in 2020. …

3 weeks agoInvasive Forest Pests
Imported willow leaf beetles on willow.

Imported Willow Leaf Beetle

This factsheet describes the biology and management of the imported willow leaf beetle, Plagiodera versicolor, …

5/4/23PDIC Factsheets
A black and white image of people standing at the base of very large trees

Chestnut Blight

Chestnut blight is a fungal pathogen that caused the functional extinction of American chestnut in …

Figure 1. Rotary wing UAV in flight.

Precision Agriculture Technology: How to Become a Commercial Unmanned Aerial Vehicle (UAV) Pilot

This publication discusses flying unmanned aerial vehicles (drones, model aircraft) for commercial purposes. You'll learn …

4/24/23
Platform on top carries payload of parts that carries the sensor on the bottom.

Precision Agriculture Technology: Choosing a UAV and Sensor for Agricultural Applications

This publication provides information about unmanned aerial vehicles and what to consider when choosing a …

4/24/23