Invasive Joro Spiders Spreading Across Eastern U.S.
Experts say the large, brightly colored spiders pose little threat to humans but could impact native species.
Overview
- Joro spiders, native to East Asia, have been moving north from Georgia since 2014.
 - They can survive in colder climates and have been spotted as far north as Maryland.
 - The spiders are venomous but not dangerous to humans or pets, causing only mild reactions.
 - Their ballooning travel method allows them to cover long distances quickly.
 - Researchers are monitoring their impact on local ecosystems, particularly native spider populations.