Bug Identifier
Common Earwig
Community identification

Common Earwig

Forficula auricularia

Order & Family
Dermaptera: Forficulidae
Size
12 to 15 mm in length
See this bug in the Encyclopedia

Natural Habitat

Moist, dark environments including under mulch, rocks, tree bark, and damp indoor areas like kitchens or bathrooms.

Diet & Feeding

Omnivorous scavenger that feeds on decaying organic matter, living plants, and small insects such as aphids.

Behavior Patterns

Nocturnal and highly thigmotactic, preferring to hide in tight crevices during the day. Females exhibit notable maternal care by guarding their eggs and nymphs.

Risks & Benefits

Benefits the ecosystem by consuming garden pests like aphids; however, they can become a household nuisance and occasionally damage ornamental flowers or young vegetable crops. They are harmless to humans, though they can deliver a non-venomous pinch with their cerci if handled.