The invention relates to a composition comprising protein autolysates derived from yeasts and synthetic silicic acids, and also, optionally, active compounds directed against animal pests, for luring and controlling animal pests, which composition can be used in agriculture, in horticulture, in forestry, in animal husbandry, in animal breeding, in the protection of stored products, in the protection of materials, in the hygiene sector and in the domestic field.