Both of these spiders have glossy black bodies and red markings on them, but male redback spiders ... spiders have red ...

The rest of the female black widow spider is typically shiny black or dark brown in appearance. The male black widow spider ...

The animals most at risk from the black widow's bite are insects—and male black widow spiders. Females sometimes kill and eat their counterparts after mating in a macabre behavior that gave the ...

The black widow spider can be found on every continent except ... Hour 1: The thighs, back, and shoulders are usually the first muscles to suffer stronger spasms. The venom causes the nervous ...

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 ...

The false widow spiders (Steatoda spp.) form a group of species that, because of their general resemblance to the much more notorious black widow spiders (Latrodectus ... shiny abdomens. Male abdomens ...

The symptoms: The woman visited the emergency room with severe cramps and muscle pain, primarily in her back, abdomen and ... get high by grinding up a black widow spider (Latrodectus genus ...