Giant Petaltail Dragonfly vs Eyed Elater Glowworm

Side-by-side species comparison

Attribute Giant Petaltail Dragonfly Eyed Elater Glowworm
Scientific Name Petalura ingentissima Phengodes fusciceps
Order Odonata Coleoptera
Family Petaluridae Phengodidae
Size 85 mm body, 125 mm wingspan 15-25 mm (females)
Habitat Wetlands Woodlands
Diet Omnivores Omnivores
Regions Oceania Eastern United States
Conservation Vulnerable Least Concern

Giant Petaltail Dragonfly

Australias largest dragonfly and one of the most primitive living species, belonging to a family dating back to the Jurassic period. Larvae live in swamp burrows for years.

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Did You Know?

This dragonfly is a living fossil — its family dates back 150 million years to the Jurassic, and larvae dig burrows in swamps where they may live for over a decade.

Eyed Elater Glowworm

A railroad worm beetle whose larviform females emit light from paired organs along the body. Males are short-lived, winged, and do not glow.

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Did You Know?

Females produce both green light from their body segments and red light from their head, resembling a tiny railroad train at night.