Earwigs

Earwigs are omnivorous, they feed on other small invertebrates and plant material. They can reduce fruit aphid problems but they may damage flowers and leaves of clematis, dahlia, chrysanthemums and occasionally other plants.

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Earwigs and the damage causes to a cosmos flower. Credit: RHS/Entomology.

Quick facts

Common name Common earwig
Scientific name Forficula auricularia
Plants affected Mainly dahlia, clematis and chrysanthemum
Main symptoms Young leaves and flower petals are eaten. Earwigs present on the plants after dark
Most active May-September

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