Novel insecticide, preparation method and application of novel insecticide

The invention discloses novel insecticide, a preparation method and application of the novel insecticide, and belongs to the technical field of insecticide preparation. The novel insecticide is prepared from, by weight, 40-60 parts of weeping willow leaves, 40-60 parts of piper methysticum Forst, 40-60 parts of tea tree leaves, 30-50 parts of anabasis aphylla, 30-50 parts of paulownia leaves, 30-50 parts of derris fordii Oliv, 20-40 parts of garlic, 20-40 parts of azadirachta indica, 20-40 parts of wasabia japonica and 1500-4500 parts of water. The novel insecticide is prepared through the steps of liquid chemical extraction, concentration, drying, smashing, sieving, sterilizing and others. The components of the novel insecticide are free of toxin, residues and pollution. The production method of the novel insecticide is simple, the cost is low, and the application effect is good. The novel insecticide can effectively prevent and treat red spiders, aonidiella aurantii, fruit flies, phyllocoptruta oleivora and other plant insect pests, the first-killing rate reaches above 91.08%, and no insecticide resistance is generated.