in the wild there are many diffrent kinds of mantis. In the wild praying mantis will eat almost anything they can safely capture. What Do Praying Mantis Eat? The egg sack i have been "protecting" (i thought) til spring has just hatched a day ago and its only december, my plan was to let them go after they hatched in the spring, but since i didnt keep the sack cold, it hatched now. Generally speaking, the bigger a praying mantis is, the more robust it becomes. Praying mantis are carnivorous predators. There’s no denying it; rearing hatchling and baby praying mantis can be challenging. the big mantis can eat hummingbirds and mice! The praying mantis is one of the most predatory insects on the planet. praying mantis are also capable of flying but not very far. some of the normal pet species are chinese mantis, budwing mantis, and aisan giant mantis. when baby praying mantises hatch they are really hungry and the only food they is their brothers and sisters. Baby praying mantis likely survives on small insects because these insects are abundant in summer. Baby praying mantises eat prey that is similar to those eaten by adult praying mantises, including insects and other invertebrates. What Does a Baby Praying Mantis Eat? praying mantis eat almost any living creature that is small enough to grap. While mantis of an inch or so in length become quite simple to raise, the most challenging time for mantis breeders is the period between hatching and reaching this ... Read moreHow to Rear Hatchling & Baby Praying Mantis – Praying Mantis Diet – How Do Praying Mantis Eat? Praying mantis predominantly feed on crickets, grasshoppers, spiders, (monarch) butterflies, beetles, and occasionally other praying mantises. FYI to anyone who has or wants to know what you can feed praying mantis babies right after they hatch. B aby praying mantis begins to eat immediately after emerging from eggs. They will feed on tiny insects initially but as they grow older they must rely on more than one type of food. They are tough predators and are known to consume hummingbirds. Being diurnal predators (active by day) that primarily use their powerful sense of vision to capture prey their most common foodstuffs are invertebrates of varying types. Some species of snakes will eat a baby praying mantis, but the larger praying mantis actually preys on snakes. Now first we need to know some things about praying mantis's. However, because the hatchlings are much smaller than the adults are, they must concentrate on much smaller prey species.