Emerald Swallowtail vs Chinese Rhagophthalmid Glowworm

Side-by-side species comparison

Attribute Emerald Swallowtail Chinese Rhagophthalmid Glowworm
Scientific Name Papilio palinurus Rhagophthalmus lufengensis
Order Lepidoptera Coleoptera
Family Papilionidae Rhagophthalmidae
Size 80-100 mm wingspan 10-18 mm
Habitat Forests Forests
Diet Nectar Feeders Predators
Regions South America (Colombia, Ecuador, Peru) East Asia, China
Conservation Least Concern Least Concern

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.

Chinese Rhagophthalmid Glowworm

A bioluminescent beetle from southern China with larviform females that emit a steady greenish glow from ventral light organs. Males have well-developed wings but vestigial mouthparts.

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Did You Know?

This species has been studied for its unique luciferase, which differs significantly from that of the related firefly family Lampyridae.