Wire Worm Control Nematodes 60sq.mWire Worm Control Nematodes 60sq. m are microscopic worms that seek out wireworms in the soil, then feed and multiply inside them to stop these pests damaging your plants. Nematodes are naturally found in soilby using this product you are simply topping up the natural population. Wireworms are larvae of click beetles (Agriotes spp.) and are serious pests of root vegetables, with potatoes and carrots being particular favourites. Female beetles lay eggs