... (Extracted from natural plant the Sophora, Flavescens, Ait.) Target Insects: Mites, Red spiders, Armyworm, Cabbage caterpillar, Whitefly, Leaf ... the matrine can paralyze the nervous systems of insects. 5. No killing beneficial insects. The matrine is extracted from Botanic source ... toxicity, so it nearly no harm to beneficial insects, and no killing beneficial insectsUsage table:Usage of Matrine 1.5% ...