Female black widows sometimes eat their mates after copulation. Female praying mantises are known for biting off the male's ...

Female praying mantids ... Bizarre as is seems, the male mantid can continue to engage in sex after his head has been devoured. Sexual cannibalism isn't a must for the mantis to reproduce.

These critters get their name from their kaleidoscope shell—like a peacock’s tail—and their hinged forearms which resemble that of a praying mantis ... The female will store the male ...

Mantis shrimp are truly spectacular predators of the marine world. Like a praying ... longer spears, male zebra mantis shrimp provide virtually all of the food while the female puts her efforts ...

Male praying mantises sometimes lose more than just their hearts—about 13-28% of them also lose their heads, quite literally. In some cases, the female consumes her mate post-mating to sustain ...