These giant spiders are taking over the US East Coast this summer

An invasive species
They are here to stay
Adapted to the East Coast climate
How they arrived to the US
They can be as big as a human hand
Colourful bodies
Link between color, brightness and venom
Not dangerous for humans or pets
They prefer to stay away from humans
A misunderstood gentle giant
An invasive species

The giant joro spider, an invasive species that came to the US from Asia, is expected to make a larger appearance on the country’s east coast this summer.

They are here to stay

In a recent study, David Coyle, a scientist and assistant professor at Clemson University, found that the giant spiders are “here to stay” and will be able to “inhabit most of the eastern US” this summer, The Guardian reported.

Photo: Christina Butler/Wikimedia Commons

Adapted to the East Coast climate

Unlike other spider species, joro spiders are adapted to the east coast’s climates, which are similar to Japan, where they predominantly hail from, scientists say.

How they arrived to the US

This species has been in the US for at least a decade, first appearing in Georgia after likely arriving to the US in a shipping container, the Washington Post reported.

They can be as big as a human hand

The joro spider measures 4 inches long and has legs as long as 8 inches (about the size of a human hand).

Photo: CBS News

Colourful bodies

They also have very colorful and bright bodies, especially the females, with yellow and green stripes, while the males tend to be brown-ish and a bit smaller in size.

Photo: Solitary Thrush/Wikimedia Commons

Link between color, brightness and venom

Although the idea that the more colorful an animal is, the most powerful its venom, is usually accurate, this doesn’t apply to the joro spider.

Not dangerous for humans or pets

Scientists say that the species is not deadly or even “medically relevant” for humans or pets. While it does have venom, its bite is just likely to cause an itch, a bit of pain and redness.

Photo: Cynthia Smith/Unsplash

They prefer to stay away from humans
Moreover, joro spiders tend to stay away from humans. Despite their frightening exterior, they are reportedly shy and prefer to build their webs outside versus in a person’s home, NBC New York reported.
Photo: Raita Futo/Wikimedia Commons
A misunderstood gentle giant

So if you run into one of these shy scary-looking spiders this summer, remember that they aren’t a threat but rather a misunderstood creature.

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Photo: @UntamedScience/X

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