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Later they will eat larger insects, beetles, grasshoppers, crickets, and other pest insects. Praying mantises are large, solitary, slow moving, and predaceous insects that catch their prey with their front legs. They do not have jumping hind legs. Of the 20 species of mantises that occur in North America, the introduced Chinses mantis, at a lenght of as much as four inches, is the largest.
A Praying Mantis (or its eggs) can even be purchased in the spring to head off any pest growth come summer. Larger species of the Mantis family have even been known to eat frogs, lizards and sometimes even hummingbirds. Females lay their flat, seed-shaped eggs on a twig in autumn.