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Trichogramma can control pests because it has parasitic habits, can parasitism on a variety of insect pests eggs and larvae, such as corn borer, slime worm, bar borer, cotton bollworm, moth, tiger and other pests and eggs, and when the trichogramma eggs hatch out, they will bite through the shell of the host, so that the insect eggs or larvae die.
Pests will release a pheromone when laying eggs, through these pheromones, trichotropis can quickly and accurately find fresh insect eggs, and then lay eggs in the insect eggs, trichotropis larvae feed on the insect eggs nutritious growth, mature trichotropis will break out of the shell, the insect eggs die, to achieve the purpose of biological control.
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