Integrated Pest Management
As the days get shorter and the temperatures get cooler, many species of insects will search for places to spend the winter. Depending on the insect, they may seek out a variety of locations, such as in soil, under leaf litter, under tree bark, or even in our homes. One that we commonly...
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Despite the bad name they get, yellowjackets (Vespula spp.) are beneficial insects. The larvae are meat eaters, consuming caterpillars and other insects (and occasionally carrion) that adults have captured and brought back to the nest. Adults, on the other hand, primarily feed on flower...
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You sprayed what? Where? There are a few occasions when it is a good thing people can’t read my facial expressions over the phone. One of those situations is when I get a phone call where someone has used a pesticide that is way off-label. By off-label, I am referring to spraying a pesticide...
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Magnolias are popular trees and shrubs in many landscapes. Their large, showy flowers can range from white to pink to yellow and provide a burst of color in the spring. While they are relatively pest-free, one of the biggest pests is the magnolia scale (Neolecanium cornuparvum), which...
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Roses are grown in many gardens for their large, showy, often fragrant flowers. If you grow roses, you may have noticed something eating the leaves of your plants, causing them to become unsightly. While Japanese beetles often get much of the blame during the summer months, they aren’t the only...
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The long wait is finally over! After spending 13 (or 17, depending on where you’re at) years underground feeding from roots, periodical cicadas have started to emerge (at least in central and southern Illinois). Soon, many places will be awash in cicadas. While this mass emergence may seem...
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Can you hear them? Probably not yet, but soon, Illinois will be awash in the songs of periodical cicadas. This year (2024) is a big year for periodical cicadas in Illinois, where Broods XIII and XIX will be emerging throughout much of the state at the same time. This is the first time this has...
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With the arrival of fall, many of us will be heading outdoors for various activities, from visiting the local pumpkin patch or apple orchard, attending football games, or enjoying fall colors. People aren’t the only thing on the move, though. As the weather gets colder and the days get shorter,...
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Lady beetles are widely considered a gardener’s friend. Sure, multi-colored Asian lady beetles can be a nuisance when they make their way into our homes during the fall (not to mention displacing native lady beetles). But they are all predatory, beneficial insects that feed on various pest insects...
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Peonies are a common sight in many yards. They are typically grown for their showy blooms in the spring but also have attractive foliage that can act as a backdrop in landscape beds. While peonies are relatively problem-free, a few diseases, powdery mildew and leaf blotch, show up fairly regularly...
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