The invention discloses a cultivating method of a
nicotine-resisting chrysomyia megacephala strain. According to the cultivating method, chrysomyia megacephala fly blows of the
nicotine-resisting chrysomyia megacephala strain are inoculated into first formula materials containing
nicotine, the fly blows are cultivated until larvae are ripe and pupate, after fly pupae are subjected to emergence, second formula materials are used for feeding adults, after the adults carry out oviposition, a next-generation
domestication cultivating is carried out, and by continuous
domestication cultivating of 20-30 generations, the stable nicotine-resisting chrysomyia megacephala strain can be obtained. The first formula materials comprise, by weight, the components of 70%-85% of
bran and 15%-30% of imported
fish meal, and a nicotine water solution with the
mass percent concentration of 0.3% is used for adjusting the
humidity of the formula materials into 60%. According to the method, the nicotine water solution with the proper concentration is directly used for being combined with the
bran and the imported
fish meal in a scientific mode, the obtained first formula materials successfully cover the unpleasant smell and
bitter taste of nicotine,
nutrient components are proper, smooth growing of the chrysomyia megacephala larvae is guaranteed, due to the proper and certain nicotine content, the fact that the obtained chrysomyia megacephala
maggot rates of the formula materials with the same weight combination in different batches under the same cultivation environment are basically the same is guaranteed, and a stable cultivating effect is obtained.