The effects of some insecticides on cotton pests and theirs predators

Azadirachtin, Imidaclorpid and Lambda-cyhalothrin were applied against pests on cotton (Whitefly, Aphid, Bollworm, Jassid and Thrips) as well as their important predators (Orius spp, Coccinellid and Chrysopid), each one of insecticides found to be highly toxic against sap sucking pests 1d, 3d, 7d, 11d and 15d after application, while all the product remaind effective 15d after spray. Lambda-cyhalothrin known to had more significant effects in the reduction of pest populations followed by Imidaclorpid and Azadirachtin. In case of the predators, Azadirachtin, Imidaclorpid showed no significant effect in the reduction of population of predators. Only Lambda-cyhalothrin showed a slight effect in the reduction of Orius population 1d after application.