Orlando’s Spooky Spiders: What You Need to Know This Fall

Newberry residents, nestled in the rural heart of Alachua County, planning trips to Orlando this fall might encounter a new, albeit harmless, eight-legged resident: the Joro spider. While these large, colorful arachnids are native to East Asia, they have been steadily expanding their range across the southeastern United States and are now expected to be a noticeable presence in Central Florida by the autumn months.

The Joro spider, known scientifically as Trichonephila clavata, is distinctive for its size and vibrant yellow, black, and red markings. Females can grow to have a leg span of up to four inches, making them quite conspicuous. Despite their intimidating appearance, experts assure the public that Joro spiders are not a threat to humans or pets. Their fangs are generally too small to break human skin, and their venom is mild, comparable to a bee sting if a bite were to occur.

These spiders are excellent weavers, constructing large, intricate golden webs that can span several feet. While they might create a spooky aesthetic for Halloween, their presence is primarily a nuisance rather than a danger. They tend to build their webs in high places, between trees, power lines, and even on porches, which could be an unexpected sight for Newberry families visiting Orlando's attractions or natural areas.

Researchers believe the Joro spider's spread is aided by its ability to "balloon," a process where young spiders release silk into the air and are carried by the wind. This, combined with their adaptability to various climates, has allowed them to colonize new territories rapidly. While they are not considered an invasive threat to local ecosystems, as they primarily feed on common insects, their sheer numbers could be a new experience for many.

For Newberry residents heading south, there's no need for alarm. The best approach is to simply observe these fascinating creatures from a distance. If a web is built in an inconvenient location, it can be gently removed. As fall approaches, expect to see more reports and perhaps even some Joro spiders making their way closer to our community amid Alachua County's scenic farmlands, though their primary concentration this year is anticipated to be further south in the Orlando area.