These are tiny spiders. Female redback spiders are about 0.4 inches (10 mm), while male redback spiders are much smaller, only about 0.11 to 0.16 inches (3 to 4 mm). Female redback spiders are ...

The average black widow spider is far larger than the average redback spider. For example, redback spiders usually grow to less than half an inch in length, while black widow spiders grow anywhere ...

Research has disproved previous concerns about redback spider bites. Although they contain venom, effects take hours to develop and do not require medical treatment, unless there are signs of ...

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 ...