This is a very huge and "beautiful" female banana spider and her "husband", and YES, female banana spiders typically eat their male partners after mating. Nature’s Deadly Romance: Why Do Female Spiders Eat Males After Mating? This behavior, known as sexual cannibalism, is common among female banana spiders, especially older females and larger males. It serves as a strategy to ensure the female's survival and reproductive success, as it provides her with additional nutrients to support egg produc