False widow spiders: 10 facts

But what do we really know about false widow spiders? Check out our top 10 facts: False widow spiders first arrived in the UK in the 1870s. They are sometimes mistaken for the deadly black widow spider, due to a similar appearance. There are six different species of false widow spiders that can currently be found within Britain. All are black or brown and most are small, with the larger females growing up to 15mm in length. False widows are one of only a dozen species of spiders living in the UK capable of biting humans.