Life span: 12 months
Environment: North America, South America, Africa, Australia, Southern Eurasia.
Diet: The praying mantis is a carnivore, their diet consists of moths, crickets, grasshoppers, flies, and other insects.
Reproduction: Many praying mantises engage in sexual cannibalism during reproduction, as an adult female will sometimes bite off the male's head during or after mating.
Tim Laman, National Geographic, http://animals.nationalgeographic.com/animals/bugs/praying-mantis/