Hickory Horned Devil vs Processionary Caterpillar Moth

Side-by-side species comparison

Attribute Hickory Horned Devil Processionary Caterpillar Moth
Scientific Name Citheronia regalis Ochrogaster lunifer
Order Lepidoptera Lepidoptera
Family Saturniidae Notodontidae
Size 150 mm (caterpillar), 130-155 mm wingspan (adult) 35-45 mm wingspan
Habitat Woodlands Woodlands
Diet Herbivores Herbivores
Regions North America Australia, Oceania
Conservation Least Concern Least Concern

Hickory Horned Devil

The largest caterpillar in North America at up to 150 mm, with dramatic curved horns and fearsome appearance. Despite looking terrifying, it is completely harmless.

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Did You Know?

Despite being the most terrifying-looking caterpillar in North America with its huge curved horns, the hickory horned devil is completely harmless — it cannot sting or bite.

Processionary Caterpillar Moth

A moth whose caterpillars are famous for travelling in long, nose-to-tail processions through the Australian bush. The larvae are covered in irritating hairs that can cause severe allergic reactions in humans.

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Did You Know?

Processions of caterpillars can stretch for metres and contain hundreds of individuals following a silk trail left by the leader.