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Chemical insecticides are still primary methods to control rice planthoppers in China, which not only cause environmental pollution, insecticide residue and insecticide resistance, but also have negative effects on natural enemies, such as Pardosa pseudoannulata (the pond wolf spider), an important predatory enemy of rice planthoppers. Neonicotinoids insecticides, such as imidacloprid and thiacloprid,...
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