Why do praying mantis dig in dirt?

Is a locust a carnivor herbivor or omnivore? What does it mean if a butterfly flies around you at the river? What is the name of lower Invertebrates that have a jelly like layer between endoderm and ectoderm? If you see one bed bug does it mean there are more? Which Companies make use most of honey in Nigeria? Can a tick bite on the leg give stiffness to the neck area? Are fish eggs eaten by dragon fly larvae? How do ticks and mites create a high costs for our economy? What European squid eat? How does canal system of sponges do their function? How does sponges defend itself? Why do crayfish eat each other if they are from same species? What is a spider? Are human babies born with worms? Can a termite live in human hair? What do earthworm do for food and safety? What animal causes a threat to a sea sponge? How many bugs are there is the world? How do you tell how old a lady bug is? What phylum are Clams and oysters?