Biocidal preparations; Biocides; Insecticides and nematicides, including trichlorfon; Insecticidal and nematicidal preparations; Insecticidal and nematicidal preparations for animals; Insecticidal strips; Insecticidal veterinary washes; Insecticides and nematicides for agricultural use on crops; Insecticides and nematicides for domestic use; Insecticides for killing mosquitos; Insecticides and nematicides for use as seed dressings; Insecticides and nematicides for veterinary use; Materials for use in horticulture (pesticides and nematicides); Pest control agents; Pest control formulations; Pesticidal compositions for use in households; Pesticidal preparations; Pesticides, including trichlorfon; Pesticides for agricultural use; Pesticides for horticultural use; Pesticides for use in silviculture; Preparations for controlling and destroying insects and nematodes