Gold Swift vs Emerald Swallowtail

Side-by-side species comparison

Attribute Gold Swift Emerald Swallowtail
Scientific Name Phymatopus hecta Papilio palinurus
Order Lepidoptera Lepidoptera
Family Hepialidae Papilionidae
Size 25-35 mm wingspan 80-100 mm wingspan
Habitat Heathland Forests
Diet Root Feeders Nectar Feeders
Regions Europe South America (Colombia, Ecuador, Peru)
Conservation Least Concern Least Concern

Gold Swift

A small primitive moth with golden-brown forewings marked with silvery-white spots. Males perform hovering display flights at dusk, dangling their legs and releasing pheromones.

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Did You Know?

Larvae feed underground on bracken roots for two years before pupating in the soil.

Emerald Swallowtail

A stunning swallowtail butterfly with broad bands of emerald green on black wings. The green color is produced by yellow and blue structural layers overlapping. It has graceful spatulate tails on the hindwings.

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Did You Know?

The emerald green color is actually an optical illusion created by alternating layers of yellow and blue on the wing scales.