Adult silverfish are ‘carrot’ shaped approximately 20mm in length with 3 tail bristles; silvery scales give it a primative appearance and it can take up to a year to reach adulthood.
Where to find them
They are nocturnal insects foraging in bathrooms and kitchens, often seen scurrying to the shadows when a light is switched on. They hide by day in crevices, behind tiles, wallpaper, skirting boards and bath panels. The female can lay up to a 100 eggs over a 2 month period.
Spread of disease
They are unlikely to spread disease being a nuisance only in most situations but they can damage papers, manuscripts, textiles and packets of dried food in damp conditions.
Eliminate the source of dampness and follow up with a residual insecticide treatment in cracks and crevices.