All praying mantises are exclusively predatory animals, and in their hunting method they are mostly ambush predators, sitting motionless in one place and waiting for the prey to approach them. Praying mantises usually lie in wait for their prey while sitting on a plant, in the thick grass, or among the leaves of a bush. 
The first feed on ordinary insects and arachnids
The second praying mantises also eat not only pollinators but also insects, competitors in the food chain
The third can hunt small reptiles
The fourth even on warm-blooded animals and not just mice, but birds
