A new invasive insect of concern has been identified in the state of Georgia. In August of 2023, Georgia’s Department of Agriculture, along with the USDA, confirmed the presence of the yellow-legged hornet, Vespa velutina, outside of the city of Savannah. To date, this is the only confirmed identification of this insect in the United[Read More…]
Resources for landscapes and gardens in the Midwest
Landscape Report
Entomology
Trees stressed by prolonged drought are more subject to attack by boring insects. This article provides tips and a video link on how to manage pines for borers. Record breaking heat and sporadic rainfall during July of 2023 took their toll on landscape trees. Cone bearing evergreens, like white pines, are especially susceptible to drought[Read More…]
Black vine weevil (Otiorhynchus sulcatus) is a serious pest of several ornamental and fruit plants, such as azalea, Cyclamen, caneberries, yew, rhododendron, grape, and strawberry. It is not a widespread issue, but when they occur, infestations can be devastating to a grower. A few larvae can be lethal to a Rhododendron, and the foliage feeding[Read More…]
It’s that time of year when we remind everyone to watch for spotted lanternfly (SLF) infestations. Spotted lanternfly is an invasive insect first detected in Pennsylvania in 2014, and has since spread throughout the eastern USA. Its preferred host is the invasive Tree-of-Heaven, but it also feeds on a wide range of important plant species,[Read More…]
The hemlock woolly adelgid (Adelges tsugae) continues its eastward spread across the US. In 2022, seven new counties were added to the distribution map of this invasive insect. While it is not present in Indiana yet, it is confirmed throughout the eastern USA from northern Georgia to Maine, extending west into Michigan, Ohio, and Kentucky.[Read More…]
The problem There is another invasive species close to Indiana that landscaping and nursery professionals should look for. Box tree moth (Cydalima perspectalis) is native to East Asia, and was first detected in 2021 in New York. Detections in Michigan in 2022 have resulted in a quarantine zone for boxwoods (Buxus spp.) in the state.[Read More…]
If you spend any time reading about native landscapes, you will quickly find numerous articles and guides for plants that are good for pollinators. Many native pollinator species are in decline, and choosing plants that support their lifecycle is a great way homeowners and landscapers can engage with the effort to improve their populations. However,[Read More…]
EAB University is about to start its fall semester, bringing you the information you need about emerald ash borer and other invasive pests and diseases that are now impacting our trees, forests and woodlands. Here’s a schedule of the webinars we have locked in so far. We will update you if other webinar presentations become[Read More…]
All plants can fall victim to insects, diseases, and environmental problems. How they respond to this stress is often the same: Wilting, yellowing, holes, rots, blight—it’s a long list! With so much overlap in symptoms, it can be quite a challenge for people to identify their plant health problems accurately, quickly, and inexpensively. The Purdue[Read More…]
Integrated Pest Management (IPM) is a proactive strategy that focuses on long-term prevention of pests by understanding the pest’s biology and utilizing a combination of control techniques. There are IPM strategies for all types of pests including weeds, insects, and diseases. Regardless of type, scouting and identification are the first and most critical steps in[Read More…]
Join us at the Purdue Turf and Landscape Field Day on July 26th! The Purdue Turf and Landscape Field Day is an annual one-day event with the objective of providing professional turf and landscape managers exposure and educational opportunities with the latest research and technical resources. The Field Day features research tours, talks on current[Read More…]
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