Joro spiders native to East Asia are expected to move north to the New Jersey area and have the ability to fly using a technique called ballooning.
Experts suspect the spiders arrived in the U.S. through cargo shipments, international trade, or personal travel, with their spread evident in the southeastern states.
Joro spiders have a leg span of up to 4 inches, yellow and black bodies, are venomous but not harmful to humans. They are distinctive for their flying ability through ballooning.
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