Hickory Horned Devil vs Ilex Hairstreak
Side-by-side species comparison
| Attribute | Hickory Horned Devil | Ilex Hairstreak |
|---|---|---|
| Scientific Name | Citheronia regalis | Satyrium ilicis |
| Order | Lepidoptera | Lepidoptera |
| Family | Saturniidae | Lycaenidae |
| Size | 150 mm (caterpillar), 130-155 mm wingspan (adult) | 30-36 mm wingspan |
| Habitat | Woodlands | Woodlands |
| Diet | Herbivores | Herbivores |
| Regions | North America | Southern and central Europe, western Asia |
| 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.
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.
Ilex Hairstreak
A small dark brown butterfly with an orange band on the underside of its hindwings and a tiny tail projection. It is strongly associated with young oak growth and coppiced woodland.
Did You Know?
Despite its name suggesting holly (ilex), it feeds exclusively on oak and was misidentified when first described.