EENY-052/IN209: Hickory Horned Devil (Larva), Regal Moth or Royal Walnut Moth (Adult), Citheronia regalis (Fabricius) (Insecta: Lepidoptera: Saturniidae: Ceratocampinae)
![Green and spiky creature found at Pennsylvania state park isn't an alien. It's a hickory horned devil – The Morning Call Green and spiky creature found at Pennsylvania state park isn't an alien. It's a hickory horned devil – The Morning Call](https://www.mcall.com/wp-content/uploads/migration/2019/08/26/6MOM35AKDREUNBEZUMHPQLQ7LI.jpg?w=1024)
Green and spiky creature found at Pennsylvania state park isn't an alien. It's a hickory horned devil – The Morning Call
![Giant Caterpillars! Hickory Horned Devils - Regal Moth - Citheronia regalis (Saturniidae) VERY Big - YouTube Giant Caterpillars! Hickory Horned Devils - Regal Moth - Citheronia regalis (Saturniidae) VERY Big - YouTube](https://i.ytimg.com/vi/Cvbh34PXJ8c/maxresdefault.jpg)