Category: News
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Cold Weather Won’t Mean Fewer Bugs This Summer
Despite the brutally cold polar vortex last month, many of Wisconsin’s insects are well-adapted to the cold and we’ll still see plenty of insects this summer, says Extension entomologist PJ…
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Monarch Butterfly Challenges
Monarch butterflies face tough challenges, yet a recent overwintering survey found a strong increase in monarch numbers in Mexico. Dr. Karen Oberhauser discusses monarch populations in this recent article from…
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Top 10 Insect Trends for 2018
Each year tells a different insect story and last year didn’t disappoint. PJ Liesch of the UW Insect Diagnostic Lab describes 2018’s big insect trends in his recent column for…
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Yosemite Butterflies — An interactive, Digital Field Guide to the Park’s 98 Butterfly Species
Dr. Sean Schoville and Jacki Whisenant recently released Yosemite Butterflies—an interactive, digital field guide to the park’s 98 butterfly species. The app helps provide identification clues and delves into the biology, habitat…
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Did the Arctic Blast Take Out All the Insects?
Did the arctic blast take out all the insects?—Not so fast, says PJ Liesch of the UW Insect Diagnostic Lab. Check out the details in this recent column by UW…
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The Precarious Status of the Monarch Population in the western U.S.
Department alumna (Gratton Lab) and current Xerces Society Conservation Biologist, Emma Pelton, was recently interviewed by the new York Times on the precarious status of the Monarch population in the…
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The Rise of the Brown Marmorated Stink Bug
The invasive brown marmorated stink bug has become common in some parts of Wisconsin. Extension entomologist, PJ Liesch, discussed the current situation with the Milwaukee Journal Sentinel: https://www.jsonline.com/story/news/2019/01/08/warm-weather-unleashes-smelly-and-destructive-stinkbugs-wisconsin/2507378002/
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Many Factors Affect Monarch Butterflies
Dr. Karen Oberhauser discusses the many factors affecting monarch butterflies in this recent article from National Geographic: https://www.nationalgeographic.com/animals/2018/12/monarch-butterflies-risk-extinction-climate-change/
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Waunakee Passes Resolution to Help Monarch Butterflies
The Village of Waunakee, Wisconsin has passed a resolution to join the effort to help increase resources for monarch butterflies. Emeritus professor and Waunakee resident, Dr. Dave Hogg, met with…
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The Spread of the Invasive Brown Marmorated Stink Bug
Since its arrival in the state in 2010, the invasive brown marmorated stink bug has spread to over 25 counties. PJ Liesch of the UW Insect Diagnostic Lab provides an…





