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Top Spring Pests to Look Out for in Wisconsin

Posted by Mosquito Squad

April 13, 2026

Spring in Wisconsin always feels like a great reset. The snow melts, the air warms up a bit, and people start heading back outside again. Yards come back to life, patios get used again, and everything just feels easier. But it’s not just people coming out of winter; pests are also doing the same thing. As temperatures rise, a handful of common bugs start showing up around homes in Muskego. Knowing what to expect and when can make it a lot less frustrating to deal with.

Here are 5 pests to look out for this spring:

1. Mosquitoes

Mosquitoes are usually one of the first pests people think about, and for good reason. As soon as temperatures stay consistently above freezing, mosquitoes start becoming more active. Early in the season, it might not seem that bad. But it doesn’t take long for numbers to grow, especially after a few rainy days. Recurring mosquito control treatments can help reduce mosquito activity by up to 85–90% for up to 3 weeks at a time.

2. Ticks

Ticks tend to show up right alongside spring weather, where they like to hang out along the perimeter or in shaded spots. Ticks can also be easy to miss, which is part of what makes them frustrating. And since ticks are known for spreading illnesses like Lyme disease, they’re one pest that people usually want to stay ahead of early. Tick control options can include a combination of yard treatments along with tools like tick tubes. These are typically placed in the spring and work overtime to help reduce tick populations around the property.

3. Gnats

Gnats don’t always get as much attention, but they can definitely make their presence known once the weather warms up. You’ll usually notice them flying and hovering in small swarms, especially around damp or shady areas. Gnats aren't dangerous, but they can be annoying, especially when you’re trying to relax outside or have people over. Like mosquitoes, they tend to show up more after it rains and in areas with lots of moisture. Routine pest control treatments can help keep gnat activity more manageable, so they don’t take over your outdoor space.

4. Wasps

As spring arrives, wasps also start becoming more active and looking for places to build their nests. You might see them hovering around your porch or tucked into corners that don’t get disturbed much. Early in the season, wasp nests can be small, which makes it easier to get on top of things before they become more active in summer. Regular pest control treatments can help reduce wasp activity, especially in spots where people spend the most time.

5. Spiders

Spiders tend to follow other pests. As insects become more active in the spring, spiders do too. You’ll usually notice them around doorways and windows. You might even see their webs glistening in the morning dew. While they can help manage other pest activity nearby, most people would still rather not have them hanging out right by the front door. Keeping other pest activity down often helps reduce how many spiders you see around, too, since their food source isn’t as active.

Wisconsin Pest Control in Spring

Spring in Wisconsin is meant to be enjoyed. It just comes with a few extra visitors you didn’t exactly invite. Pests like mosquitoes, ticks, gnats, wasps, and spiders all tend to show up around the same time, but they don’t have to take over your yard or ruin your outdoor fun. If you’re looking into Muskego pest control this season, you can call (262) 333-0395 to get a free quote, and we'll help you find what will make the most sense for your space.



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