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Which type of pesticide can be harmful to beneficial insects?

Broad-spectrum insecticides

Broad-spectrum insecticides are designed to target a wide range of insects, which includes not only pests but also beneficial insects that contribute positively to the ecosystem, such as pollinators and natural pest predators. When these pesticides are applied, they can indiscriminately kill beneficial species alongside the intended target pests. This can disrupt the natural balance, leading to an increase in pest populations over time due to the removal of their natural enemies.

In contrast, selective herbicides primarily target plants and do not affect insects directly. Fungicides are used to control fungal diseases and typically do not have a direct effect on insects either. Insect growth regulators specifically target the developmental stages of insects, usually aiming at pest species and often having less impact on beneficial insects. Thus, broad-spectrum insecticides are the most likely to cause harm to beneficial insect populations.

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Selective herbicides

Fungicides

Insect growth regulators

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