Residual toxicity of some insecticides on the predatory bugs Dicyphus tamaninii and Macrolophus caliginosus

Chlorpyrifos, formetanate, methamidophos, imidacloprid and endosulfan were tested in the laboratory for their effects upon the mirid bugs Dicyphus tamaninii and Macrolophus caliginosus, which are polyphagous predators used for IPM programs in some vegetable crops. The mortality of third-fourth instar nymphs was checked 24 and 48 hours and 7 days after… (More)