Willow Beauty vs Swallowtail Butterfly

Side-by-side species comparison

Attribute Willow Beauty Swallowtail Butterfly
Scientific Name Peribatodes rhomboidaria Papilio machaon
Order Lepidoptera Lepidoptera
Family Geometridae Papilionidae
Size 38-48 mm wingspan 65-86 mm wingspan
Habitat Gardens Underground
Diet Omnivores Predators
Regions Europe, western Asia Europe, Asia, North America
Conservation Least Concern Least Concern

Willow Beauty

A well-camouflaged moth with grey-brown wings marked with dark cross-lines that blends perfectly with tree bark. It is one of the most common moths found in gardens.

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Did You Know?

Like the peppered moth, it has developed a darker form in areas affected by industrial pollution.

Swallowtail Butterfly

Elegant butterfly with yellow wings marked with black veins and blue-red eyespots on hindwings. The tail extensions on hindwings divert predator attacks from the body.

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Did You Know?

Swallowtail caterpillars have a hidden orange forked organ called an osmeterium that they pop out from behind their head when threatened, releasing a foul smell.