Joro spiders are heading up the coast

UC biologist says these garden spiders want to stay in the garden

Everyday Health turned to a University of Cincinnati biologist to learn more about an invasive spider from Asia that is showing up in more American back yards.

The Joro spider is a large, yellow orb-weaving spider from Japan that is slowly creeping across the American Southeast toward the Mid-Atlantic.

Professor, Biological Sciences Dr. George W. Uetz holds one of his male spider in his lab at Rieveschl Hall.  UC/ Joseph Fuqua II

UC Professor Emeritus George Uetz. Photo/Lisa Ventre/UC

Female spiders grow to more than 3 inches in length. They build equally enormous webs spanning more than 10 feet to catch flying insects, which makes it hard for them to go unnoticed in gardens and back yards. But they are harmless and don't bite people, said George Uetz, a professor emeritus in UC's College of Arts and Sciences.

“They are very sedentary in their webs,” he told Everyday Health.

Uetz spent his career studying the fascinating behavior of spiders and other animals in his biology lab. He was named a fellow this year of the American Association for the Advancement of Sciences.

If disturbed, the spider freezes in place for as long as an hour.

“Approach them from a distance, observe them, and you will see they are no threat, as they stay in their web,” Uetz said.

Read the Everyday Health story.

Featured image at top: Joro spiders are showing up in more states. Photo/David Hansche

Related Stories

1

Why is there a statue of Stephen Foster in Cincinnati?

June 26, 2026

Even if you don't know American parlor composer Stephen Foster, you’ve probably heard his music. His mid-19th century folk songs, including “Camptown Races” and “Oh Susanna,” make appearances in pop culture to this day. There’s a statue of Foster overlooking the Ohio river in Alms Park that prompted WVXU's Bill Rinehart to feature him in his Cincinnati mysteries segment, OKI Wanna Know. WVXU turned to University of Cincinnati music history expert Kristy Swift for a peek into Foster’s life and impact in the region.

3

Drone-delivered groceries descending into Cincinnati

June 25, 2026

Walmart is bringing drone delivery to Cincinnati, as reported by 700WLW. Host Scott Sloan spoke with Michael Jones, associate professor of economics at the University of Cincinnati's Lindner College of Business, for a look at what it means for Cincinnati shoppers.