Explaining Insects 🦋 on Instagram: "The inchworm is a tiny, looping caterpillar known for its distinctive “measure-by-measure” movement. Instead of crawling smoothly, it arches its body into a loop, pulls its back end forward, then stretches out again — giving it the cute nickname “the measuring worm.” These caterpillars are the larvae of geometer moths, and their unique movement comes from having fewer prolegs than most caterpillars. Because of this, they move in that classic hump-and-s