Big Dipper Firefly vs Emperor Gum Moth

Side-by-side species comparison

Attribute Big Dipper Firefly Emperor Gum Moth
Scientific Name Photinus consimilis Opodiphthera eucalypti
Order Coleoptera Lepidoptera
Family Lampyridae Saturniidae
Size 8-12 mm 100-150 mm wingspan
Habitat Woodlands Woodlands
Diet Omnivores Predators
Regions North America Australia, Oceania
Conservation Least Concern Least Concern

Big Dipper Firefly

A common North American firefly that produces a slow, arching flash resembling the Big Dipper constellation pattern. It is active in early summer evenings.

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Did You Know?

Each species of Photinus has evolved its own unique flash pattern to avoid mating with the wrong species.

Emperor Gum Moth

A large and attractive native moth with prominent eyespots on each wing that serve as a startle defence against predators. It is one of the largest moths in southern Australia.

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Did You Know?

The large eyespots on its wings are thought to mimic the eyes of an owl, frightening away potential bird predators.