Joro

Joro, scientifically known as Trichonephila clavata, is a species of large, orb-weaving spider originating from East Asia. It is characterized by its distinctive yellow and black coloration, with males being significantly smaller than females. Females can reach a body length of up to 2.5 centimeters, with leg spans extending to 10 centimeters or more. The spider is well-known for its impressive webs, which can be quite large and strong, often shimmering with a golden hue due to silk proteins.

Joro spiders are generally harmless to humans, possessing venom primarily used to subdue their insect prey. Bites are rare and typically only occur if the spider is provoked or handled. Their venom is not considered medically significant to humans. These spiders are also known for their ability to "balloon," a method of dispersal where they release silk threads to catch the wind and travel to new locations. This behavior, along with human transportation, has contributed to their spread beyond their native range.

In recent years, Joro spiders have been observed establishing populations in North America, particularly in the southeastern United States. Their presence there has raised some public concern, though scientific consensus suggests they are unlikely to cause significant ecological disruption. They primarily feed on flying insects and are not considered aggressive. Efforts are ongoing to monitor their spread and understand their ecological impact in new environments.