What is a catterpillar?

Why are insects Arachnids and crustaceans in the same phylum? How many inches is a baby praying mantis? How do you catch a slug without killing it? What are the bugs call the ones that light up? Do Caterpillars go through metamorphosis? What ocean do Sea Urchins live in? When to take neurobion and what side effects? What attracts stink bugs? Do we call young bees kittens or house bees? How do you squid and octopus get their food? Is a scud a decomposer? Can damselflies be found in the US? What mite bites or irritates eyelash follicles? Dipterous insect two-winged insects dipteran dipteron? What do bed bugs look like? What determines which plants grow here? Do fleas bite feet? How do you know if an insect has laid eggs under human skin? What do dreams mean when you dream that you squeeze a spot on your forhead and a worm keeps coming out it then breaks and you have to keep squeezing itThen i woke up and a bit of the worm still there? Is a moth a vertebrate?