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 ...

The redback spider (Latrodectus hasselti) is one of Australia's most iconic arachnids. It's a member of the widow spider family, closely related to the black widow spider. They're famous for their ...

Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their abdomens. Several species answer to the name, and they are found in temperate regions around the world.