How do you know when a grub is dead?

What is the average weight of a earth worm? Can stick bugs and leaf bugs be together? Where is bed bugs located on a map? When you pick a worm up does it get hard? How much It takes four reloads of nectar to make one drop of honey? How do i get rid of dirt mound creating hornets in my yard? What type of body cavity does a grasshopper have? What does a dahlia flower symbolize? Is a black and yellow spotted spider with a gray head poisoness? What are the brown hard shell cocoons I found 1 to 2 inches deep in the soil? Does salt burn snails and slugs? What is that song that goes la la la la la called? The openings on the underside of leaves -what are they called and what are they for? Are coral and humans similar? How do insects carry young? Is an octopus a mammal or a animal? How does a suction cup hold onto a surface? What color is the lady bug? What fruit can't eat cockroaches? How many legs does a executives have?