ticks

Take Precautions to Prevent Tick Bites

Posted on by akabelowsky

An adult deer tick looks for a spot to attach. / Photo Credit: Wisconsin DNR

By Michael Hillstrom, DNR Forest Health Specialist, Fitchburg
Michael.Hillstrom@wisconsin.gov

Adult blacklegged (deer) ticks are already active this year, as of March 2026. The adults start looking for a host as soon as it warms up to around 40 degrees Fahrenheit.

In Wisconsin, between 20-60 percent of adult ticks are infected with the bacteria that causes Lyme disease. However, the risk of getting Lyme disease is higher with bites from nymphal ticks, which are most abundant in June and July, because they are so tiny and difficult to find. While only 10-28 percent of nymphs are infected with the Lyme disease bacteria in Wisconsin, rapid removal of a tick can reduce the risk of infection because it takes at least 24 hours for the Lyme bacteria to spread.

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Don’t Let Japanese Barberry ‘Tick’ You Off

Posted on by akabelowsky

By Erika Segerson-Mueller, DNR Invasive Plant Program Specialist, Oshkosh Service Center;
erika.segersonmueller@wisconsin.gov or 715-492-0391

Photo showing Japanese barberry quickly growing into a dense infestations in a forest.

Japanese barberry can quickly grow into dense infestations in forests, outcompeting native plants and providing ideal hiding places for white-footed mice that serve as hosts for blacklegged ticks. / Photo Credit: Wisconsin DNR

Most small talk in Wisconsin revolves around three things: the weather, the Green Bay Packers … and in the summer months, how darn bad the ticks are.

If you spend time working or playing outside, you likely know firsthand that ticks in Wisconsin are serious business. Because most of us prefer to minimize our interactions with the tiny arachnids, here’s another tick prevention tactic to add to your arsenal — along with clothing treated with permethrin, long socks and frequent tick checks: Rid your property of Japanese barberry.

Continue reading “Don’t Let Japanese Barberry ‘Tick’ You Off” →