Indiscriminate use of insecticides did not only cause resistance to several insects pests of different crops but it also affected several predators. However Chrysoperla carnea has shown some tolerance to several groups of insecticides in the field but very little informations are available on insecticides resistance in C. carnea. The resistant C. carnea could help to design IPM strategy for several insect pests. Hence several studies were performed in our laboratory to establish if the predator was resistant to insecticides and if the resistance can increase the fitness of C....