Synchronous Firefly vs Common Earwig

Side-by-side species comparison

Attribute Synchronous Firefly Common Earwig
Scientific Name Photinus carolinus Forficula auricularia
Order Coleoptera Dermaptera
Family Lampyridae Forficulidae
Size 8-12 mm 12-17 mm
Habitat Mountains Underground
Diet Omnivores Omnivores
Regions North America Europe, worldwide (introduced)
Conservation Least Concern Least Concern

Synchronous Firefly

One of the few firefly species in North America that synchronizes its flashing patterns. Thousands flash in unison during mating season in the Great Smoky Mountains.

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Did You Know?

Their synchronized light displays in the Great Smoky Mountains attract thousands of visitors each year through a lottery system.

Common Earwig

Nocturnal omnivore with distinctive forceps-shaped cerci. One of the few non-social insects to show maternal care — females guard and clean their eggs, and feed hatchlings.

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Did You Know?

Female earwigs are devoted mothers — they guard their eggs for months, licking them regularly to prevent fungal infection, and continue caring for nymphs after hatching.