Red widow spiders have entirely red-brown bodies, with the exception of their black abdomen. ©Florida Division of Plant Industry Archive / CC BY 3.0 US, via Wikimedia Commons – Original ...

Male black widow spider The male of this species has an elongated body with white and red markings on the sides. The male's legs are much longer in proportion to its body than are the female's.

Both species of widow spiders have glove-shaped abdomens and long legs, with females generally being larger than males. Female black widows are glossy black, featuring a red hourglass pattern on ...

The female Joro spider has blue-black and yellow stripes on its back and legs. The spider’s underside has distinct red markings. The Joro spider spins immense golden webs spanning over 3 feet ...

They may have lighter red or white spots on their abdomen as well. Female black widow spiders are larger than males. Black widow spiders are venomous, but, according to Arrow, ...