Mixture for preventing and controlling aleurodicus dispersus russell

The invention belongs to the technical field of pesticides, and relates to mixture for preventing and controlling aleurodicus dispersus russell, which is prepared by uniformly mixing myrtle extract and nicotine, wherein the myrtle extract is prepared by the following steps: crushing myrtle plant tissues; extracting with solvent and concentrating till extract state to obtain crude extract; extracting the crude extract with solvent, and concentrating the extract under reduced pressure; and drying the obtain the myrtle extract. According to the mixture, the myrtle extract which has bioactivity to the aleurodicus dispersus russell is compatible with nicotine, so that the usage of nicotine in preventing and controlling aleurodicus dispersus russell can be greatly reduced in the same preventing and controlling effect; and the mixture has the characteristics of good prevention and control effect, low prevention and control cost, no pollution and no residue, and has excellent social benefit and ecological benefit.