Jorō Spiders' Unique Calmness Aids Their U.S. Spread

New research reveals how the invasive species' stress response helps them thrive in urban environments.

Jorō spiders maintain steady heart rates even under stress, unlike other spider species.
Their calm demeanor allows them to build webs in high-traffic urban areas.
Researchers found Jorō spiders rarely struggle when restrained, unlike garden spiders.
The species' ability to tolerate disturbances may facilitate their spread across the U.S.
Further studies are needed to understand the full ecological impact of Jorō spiders.