About Earwigs in South Africa
Earwigs (Order Dermaptera) are easily recognised by the distinctive curved pincers (cerci) at their tail end — a feature that gives them an intimidating appearance despite their relatively harmless nature to humans. South Africa has several native earwig species, with the Common Earwig (Forficula auricularia) — an introduced species from Europe — being the most frequently encountered pest species in gardens and homes.
Earwigs are primarily nocturnal scavengers that feed on decaying plant matter, seedlings, soft fruit, and other small insects. They are moisture-seeking and congregate under pots, in mulch, under stones, and in dense garden vegetation. During wet periods or when garden populations become excessive, they migrate indoors through gaps in doors, windows, and foundations.
Inside the home they are primarily a nuisance — they can damage houseplants and seedlings and cause considerable distress when encountered in bathrooms, bedrooms, or kitchen drawers. Their pincers can deliver a mild pinch if handled but are not medically significant.
🇿🇦 South African Facts
- The Common Earwig produces two generations per year in South Africa's warmer climates.
- Female earwigs exhibit unusual parental behaviour — they guard and tend their egg clutches until hatching.
- Earwigs can fly, though they rarely do so — this allows them to spread rapidly between gardens.
- Earwig populations in South African gardens peak during spring (September–November) and again in autumn.
- The name "earwig" derives from an old superstition that they crawl into sleeping people's ears — this is a myth.
Warning Signs of a Earwigs Infestation
Spotting a earwigs infestation early can save you time and money. Watch for these tell-tale signs:
Earwigs found in kitchen drawers, under pot plants, in bathrooms, or between books.
Ragged, irregular holes in garden plants — particularly seedlings, lettuces, strawberries, and dahlias.
Soft fruit damage — earwigs eat into ripe strawberries, stone fruit, and grapes.
Large numbers sheltering under pots, stepping stones, and leaf litter when lifted.
Indoor earwigs massing near moisture sources — under sink units, in bathrooms, and laundry areas.
Health & Property Risks
Seedling and soft-leaf plant damage in vegetable gardens and flower beds.
Fruit damage — surface scarring and entry into soft fruit.
Psychological distress — earwigs are commonly found in unexpected places.
Houseplant damage when earwigs migrate indoors during wet weather.
Our Earwigs Treatment Approach
At Eco-Fumigation, we follow a proven, multi-step process to fully eliminate earwigs and prevent their return.
Garden & Perimeter Treatment
Professional residual insecticide applied to garden beds, mulched areas, under pot plants, along fences, and around the full building perimeter — eliminating earwigs at their harborage source.
Interior Spot Treatment
Targeted spray application to indoor harborage zones — under sinks, along skirting boards, and in damp areas where earwigs have established indoors.
Habitat Reduction Advice
Guidance on removing harborage material — leaf litter, compost, mulch, and debris — adjacent to the building to reduce the population reservoir.
Prevention Tips — Keep Earwigs Away
Our technicians don't just eliminate the current infestation — they help you prevent future ones with these proven tips: