Integrated Pest Management
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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Hollyhocks (Alcea rosea) have been growing in gardens for centuries and remind many of us of our parents’ or grandparents’ gardens. Despite being ‘old-fashioned,’ hollyhocks have had a bit of a resurgence in recent years. Their tall, stately flowers are an impressive sight in the garden....
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Apples and pears are popular trees to grow for people interested in growing their own fruit. However, they aren't without any problems. A variety of insect pests and diseases can plague them. One common and potentially serious disease is fire blight.
What is fire blight?
Fire...
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Most people are familiar with praying mantids. These large predatory insects are a common sight in the fall, and we often encounter their egg cases (ootheca) this time of year too. But did you know that three different species of praying mantids, the native Carolina mantid and the introduced...
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As we transition from summer to fall and the temperatures start cooling off, many of us will be spending more time outdoors. While enjoying our time outdoors, we often encounter various insets we may not have seen or noticed earlier in the growing season. One such insect is the unusual, and to some...
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As we draw nearer to fall, it's time to start thinking about bringing houseplants back indoors for the winter. Many houseplants are native to tropical and subtropical climates and, while they may do great outdoors during the summer, cannot tolerate our cold temperatures. When the thermometer starts...
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Spider mites are a common pest on many types of plants. The most commonly encountered species is the twospotted spider mite (
Tetranychus urticae). While we often think of them
...
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