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Earwigs are omnivorous, they feed on small invertebrates and plant material. They can help reduce some pest problems but they will also damage flowers and young leaves of clematis, dahlia and chrysanthemums and occasionally other plants.
Common name Common earwigScientific name Forficula auriculariaPlants affected Mainly dahlia, clematis and chrysanthemumMain symptoms Young leaves and flower petals are eaten. Earwigs will be present on the plants after darkMost active May-September
Earwigs are yellowish brown insects, up to 13-15 mm long (about ½in), that have a pair of distinctive pincers or forceps on their rear end.
Control of fruit aphids
On fruit trees earwigs can give useful control of fruit aphids and do not cause damage to the trees or fruit. Providing shelters such as flower pots loosely stuffed with hay in trees can help increase numbers.
On fruit trees earwigs should be encouraged as they are useful predators of fruit aphids.
Pesticides for gardeners (Adobe Acrobat pdf document outlining pesticides available to gardeners)
Earwigs overwinter as adult insects in the soil and other sheltered places.
AntsAphidsAphid predatorsChafer grubs in lawnsEarthwormsFruit aphidsFungus gnatsGround beetles and rove beetlesLeatherjacketsMillipedesPear bedstraw aphidPollen beetlesRosy apple aphidVine weevilWasps (social) including hornetsWoodlice
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