The present invention relates to novel active compound combinations consisting, firstly, of formononetin and, secondly, of known insecticidally active compounds, which active compound combinations are highly suitable for controlling unwanted animal pests, such as insects or acarids, or nematodes.本發明係有關新穎之活性化合物組合物,其第一,由刺芒柄花素,其次,由已知之殺昆蟲活性化合物所組成;該活性化合物組合物高度適用於防治不欲之動物害物,例如昆蟲、蜱蟎、或線蟲。