Help please? what is the fear of anything with more than 4 legs called?

Depends!: A fear of insects (usually 6 legs) is called entomophobia. This can be broken down into fear of bees, or other classes. See https://en.wikipedia.org/wiki/Entomophobia A fear of spiders (8 legs) or scorpions is called Arachnophobia or arachnephobia is a specific phobia, the fear of spiders and other arachnids such as scorpions. See https://en.wikipedia.org/wiki/Arachnophobia