Insecticides foster ‘toxic’ slugs, reduce crop yields

Insecticides such as neonicotinoids are used as cheap insurance to control pests like grubs and maggots. However, research has shown that these insecticides may have unintended drawbacks. Scientists treated slugs to insecticides, and found that it had no effect on the slugs. However, the slugs were able to transmit these insecticides to their predators, ground beetles. By killing these ground beetles, slugs have a lower predation threat and a greater population. Consequently, soybean densities and crop yield were reduced by 19% and 5%, respectively.

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