Giant, venomous spiders are spreading in the US. Where they've been spotted

Those giant, flying spiders you've been having nightmares about still haven't been found in Kentucky, but they're spreading in the U.S.

Joro spiders can release venom, but they do not bite unless they're cornered, USA TODAY reported. Bites can cause regional discomfort and redness, similar to bee stings.

Here's what they are and where they've been spotted so far.

What are Joro spiders? How big are they?

Joro spiders are large and brightly colored arachnids with a body span of up to four inches, according to Pennsylvania State University. They have a vibrant yellow and black coloration and are native to Asia, like Japan, China, North and South Korea, Vietnam and India.

Where are Joro spiders from?

Joro spiders are native to Asia, according to Penn State. They are commonly seen i