Port Royal Sound Foundation - 📣 Lowcountry Critter Spotlight: Hickory Horned Devil Caterpillar The Hickory Horned Devil is one of the largest native caterpillars reaching lengths of 12.5 to 14 cm –
EENY-052/IN209: Hickory Horned Devil (Larva), Regal Moth or Royal Walnut Moth (Adult), Citheronia regalis (Fabricius) (Insecta: Lepidoptera: Saturniidae: Ceratocampinae)
![TNC in Illinois on Twitter: "Whoa! Today in the #SaturdaySouthernILSpotlight, check out this hickory horned devil caterpillar. It has multiple stages of life before it evolves into a regal moth. Thanks to TNC in Illinois on Twitter: "Whoa! Today in the #SaturdaySouthernILSpotlight, check out this hickory horned devil caterpillar. It has multiple stages of life before it evolves into a regal moth. Thanks to](https://pbs.twimg.com/media/EiSOaO7XkAIoW3X.jpg)