Railroad Worm vs Australian Painted Lady

Side-by-side species comparison

Attribute Railroad Worm Australian Painted Lady
Scientific Name Phrixothrix hirtus Vanessa kershawi
Order Coleoptera Lepidoptera
Family Phengodidae Nymphalidae
Size 30-65 mm (larvae) 4-5 cm wingspan
Habitat Underground Underground
Diet Omnivores Nectar Feeders
Regions South America Australia, New Zealand
Conservation Least Concern Least Concern

Railroad Worm

A beetle larva with 11 pairs of green-glowing lateral organs and a red-glowing headlamp — the only land animal that produces two different colors of bioluminescence simultaneously.

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Did You Know?

The railroad worm is the only terrestrial animal that glows in two colors at once — green along its sides like railway car windows and red on its head like a locomotive.

Australian Painted Lady

An orange, black, and white butterfly closely related to the cosmopolitan painted lady. It undertakes seasonal migrations across southeastern Australia.

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Did You Know?

Millions migrate northward in autumn in one of Australia's most impressive insect movements.