Emamectin benzoate Biochemistry: Acts by stimulating the release of γ-aminobutyric acid, an inhibitory neurotransmitter, thus finally activating chloride channels. Emamectin benzoate Mode of action: Non-systemic insecticide which penetrates leaf tissues by translaminar movement. Paralyses the Lepidoptera, which stop feeding within hours of ingestion, and die 2-4 dat. Use: Control of sucking insects, including rice-, leaf- and plan thoppers, aphids, thrips, whitefly and lepidoptera on vegetables, brassicas, cotton. rice, cereals, maize, sugar beet, potatoes, citrus fruit, pome fruit and stone fruit.