Articles by PJ Liesch

It's been a big year for the lily leaf beetle in Wisconsin.
The easiest way to identify odorous house ants isn't by sight, but by smell.
Black flies — also called "buffalo gnats" due to their humpbacked appearance — are deceptive creatures for their small size.
With daylight saving time back in place and warmer temperatures knocking at our door, spring is finally crawling toward Wisconsin.
In 2018, insects stood out in the state — there were no arachnids or other types of arthropods that made as much of an impression as the organisms on this list.
As of late 2018, 27 counties across Wisconsin have confirmed reports of the brown marmorated stink bug and a handful of others have suspected sightings.
Wisconsinites generally expect mosquitoes to be "bad" from late spring through the summer, but for the pesky sanguivores to fade away as autumn approaches. However, September 2018 definitely bucked the trend.
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The latest non-native pest to arrive in Wisconsin is the tiny purple carrot-seed moth, and its impacts are not yet fully known.
Observant visitors to parks and gardens around Wisconsin over the summer might have noticed a surprising creature hovering among the flowers — the hummingbird-like sphinx moth.
Chinch bugs aren't much to write home about, but played a key role in Wisconsin history.