Luminous Click Beetle vs Palamedes Swallowtail

Side-by-side species comparison

Attribute	Luminous Click Beetle	Palamedes Swallowtail
Scientific Name	Pyrearinus candelarius	Papilio palamedes
Order	Coleoptera	Lepidoptera
Family	Elateridae	Papilionidae
Size	15-25 mm	100-130 mm wingspan
Habitat	Forests	Forests
Diet	Herbivores	Omnivores
Regions	South America	Southeastern United States coastal plain
Conservation	Data Deficient	Least Concern; threatened by laurel wilt disease k

Luminous Click Beetle

A bioluminescent click beetle from South American tropical forests. Its larvae often inhabit termite mounds where their glow attracts prey.

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Did You Know?

The larvae use their bioluminescence as a lure to attract flying insects into their termite mound ambush sites.

Palamedes Swallowtail

A large dark swallowtail of southern swamp forests with yellow bands and a distinctive yellow postmedial stripe on the hindwing underside. It has a slow, sailing flight through the forest understory.

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Did You Know?

The spread of laurel wilt fungus, which kills red bay trees, now threatens this butterfly across much of its range.