what is the blue stripe caterpillar called?

The blue stripe caterpillar is commonly known as the "Hickory Horned Devil," which is the larval stage of the Regal Moth (Citheronia regalis). This striking caterpillar features bright blue and green coloration with distinctive horn-like projections. It is primarily found in the eastern United States and is often associated with hickory and walnut trees, which are its preferred host plants.