Description: Redback spiders, scientifically known as Latrodectus hasselti, are highly venomous spiders native to Australia. Female redbacks are easily identified by their black, pea-shaped bodies with a distinctive red stripe on the abdomen. Males are much smaller, lighter in color, and have less prominent markings. Redback venom can cause serious illness, but effective antivenom is available. Here's a more detailed look at these spiders: Appearance: Females: Black with a prominent red to orange stripe on the upper ab