1. To reduce the number of eggs by reducing the number of adult pests , and further achieve the goal of pest control.
2. Pests on a farm usually have overlapping generations because the life cycle of one generation is short.
3. Not all pests harm plants throughout their growth cycle. Some pests harm plants in the larval stage, some in the adult stage, and some in both stages.
2. Pests on a farm usually have overlapping generations because the life cycle of one generation is short.
3. Not all pests harm plants throughout their growth cycle. Some pests harm plants in the larval stage, some in the adult stage, and some in both stages.