Emperor Swallowtail vs Coastal Rove Beetle

Side-by-side species comparison

Attribute Emperor Swallowtail Coastal Rove Beetle
Scientific Name Papilio ophidicephalus Cafius xantholoma
Order Lepidoptera Coleoptera
Family Papilionidae Staphylinidae
Size 100-130 mm wingspan 6-9 mm
Habitat Beaches & Coastal Beaches & Coastal
Diet Nectar Feeders Predators
Regions Southern Africa, East Africa Atlantic coasts of Europe and North Africa
Conservation Least Concern Least Concern

Emperor Swallowtail

South Africa's largest butterfly with bold black and yellow-green markings. Its caterpillar mimics a bird dropping in early instars.

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Did You Know?

The caterpillar's head bears false eyespots that make it resemble a small snake to deter predators.

Coastal Rove Beetle

A medium-sized rove beetle with yellowish elytral margins, highly adapted to life on seashores. It lives under seaweed wrack on beaches where it preys on kelp fly larvae.

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Did You Know?

This beetle can survive temporary submersion in seawater during high tides by trapping an air bubble under its elytra.