Quoted: Over the past three decades, Susan Paskewitz, a medical entomologist at University of Wisconsin-Madison, has documented the growing prevalence of ticks in Wisconsin.
Paskewitz found that deer ticks, also called black-legged ticks, have moved steadily from northwest to southwest, and then into the central and eventually slowly into the eastern and southern Wisconsin.
“They invaded our state entirely,” Paskewitz said in a 2021 Wednesday Nite @ The Lab episode. She said the regeneration of forests decimated by logging in the early 1900s and rebounding of the deer population are the main drivers in Wisconsin. Paskewitz said warming temperatures caused by climate change are expected to lengthen the tick season and accelerate their northward march into Canada.