Physical prevention and control method for blueberry fruit flies

The invention provides a physical prevention and control method for blueberry fruit flies, and belongs to the technical field of fruit tree production management. The prevention and control method comprises the following steps of 1, pruning blueberry fruit trees from October to December according to the solar calender, and ensuring that an orchard is ventilated and pervious to light; 2, removing weeds and branches in the orchard from January to February of the next year according to the solar calender, and covering the ground of the whole orchard with reflective film, wherein the reflective film is provided with small breathable conical holes, and the small conical holes are formed by piercing the film with round nail points with the diameter smaller than or equal to 1.5 mm. According to the prevention and control method, through film coverage, it is difficult for overwintering pupae or fruit fly imagoes at ground soil cracks or in bushes to get out of the film for mating, and the number of insects in the orc