What pesticide works well for bugs on trees?

Our country is vast, and fruit tree cultivation in the north and south differs, so pests and diseases are not quite the same either, though some basic pests are roughly similar. So what pesticide should be used for bugs on trees?

Generally, fruit trees are mainly affected by aphids, spider mites and other mites, scale insects, psyllids, noctuid moths and other Lepidoptera pests.

Aphids: They are widespread on fruit trees in both the north and south. At present, the main control agents for aphids are imidacloprid, acetamiprid and the like; because temperatures in the north are low, acetamiprid and similar products are less effective. Currently recommended agents are chlorpyrifos, lambda-cyhalothrin used together with systemic agents, such as imidacloprid, thiamethoxam, dinotefuran, pymetrozine and so on; spirotetramat, sulfoxaflor and other agents can also be used. Combined formulas are recommended.

Spider mites and other mites: Mite damage is also widespread. Generally, the agents now used include abamectin, etoxazole, spirodiclofen, fenpropathrin, bifenazate, mineral oil and so on. It is generally recommended to use a combination of multiple agents; on citrus, generally 3-4 agents are used together, and some mineral oil can be appropriately added to improve insecticidal efficiency.

Scale insects: At present there is no very good pesticide for controlling scale insects. The previously promoted methidathion has been banned. Currently, the better-performing products are chlorpyrifos, buprofezin, spirotetramat, mineral oil, thiamethoxam and so on.

Psyllids and the like: The citrus psyllid in the south and the pear psyllid in the north are both important pests damaging fruit trees. The recommended control agents for psyllids are: chlorpyrifos, lambda-cyhalothrin combined with imidacloprid, thiamethoxam, dinotefuran and so on; generally, a fast-acting agent and a long-lasting agent are used.