The invasive Joro spider (Trichonephila clavata) is endemic to East Asia. It was first discovered in the U.S. in North ...

Adult females will span around 6-8 inches. Male Joro spiders are only about 1/4 inch long with a leg span of 3/4 of an inch. Should Joro spiders be killed? Don't panic if you see one of these spiders.

Adult females will span around 6-8 inches. Male Joro spiders are only about 1/4 inch long with a leg span of 3/4 of an inch. Should Joro spiders be killed? Don't panic if you see one of these spiders.

But according to Garb, who studies spiders as the associate professor of biology at the University of Massachusetts Lowell, the photo that person provided didn't show the invasive from East Asia. Joro ...

Earlier in September, someone spotted a joro spider outside of Philadelphia, marking the species’ first observation as far north as Pennsylvania.

At least eight Joro spiders have been spotted in Bucks County, Pennsylvania, just a couple hours away from New York City. The sightings were reported in September and verified on EDDMapS, a web ...

Joro spiders were recently spotted in Pennsylvania, making it the ninth state to have reported sightings of this spider native to Asia. While Joro spiders have been in the U.S. for a while, with ...

Baby spiders will eventually emerge from the sac, and then they can parachute for miles before settling down. If you see a Joro spider, Davis encourages you to report it to the tracking website ...

Joro spiders are large and brightly colored arachnids with a body span of up to four inches, according to The Pennsylvania State University. They have a vibrant yellow and black coloration.

Joro spiders are large and brightly colored arachnids with a body span of up to 4 inches, according to The Pennsylvania State University, and with vibrant yellow and black coloration.