up to 4 inches in the northwest
-It varies. Some are small, about an inch or so like in my backyard or the flower-dwelling types, and some can get big like the 4 inches mentioned above. I think some can even get a foot long, though I'm not sure.
eggs
Praying Boytis
Baby praying mantises hatch from their eggs in the spring.
A Baby Praying Mantis is Called a Nymph which is between the egg and adult stage.
no
Yes, a praying mantis is a carnivore, which means it eats meat. It will eat other insects, as well as lizards and even small birds, like humming birds, if the mantis is big enough.
Well the praying mantis will eat a bug smaller than itself unless its starving.
18" long
No praying mantis do not eat spiders
baby mantis when they emerge from the egg will be a half inch long.
The big ones eat them!
No, praying mantises don't eat robins because they are too big.