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Collection of scientific articles, which summarize the results of the researches, history and timeliness of the reproduction and application of Trichogramma entomophagous, and the results of the researches achieved in the bilateral projects in the biological control. The material is for the specialists in plant protection, biological laboratories, economic agents, farmers and students. The collection of articles was elaborated by Dr. in Biology, Researcher and Lecturer Lidia Gavrilita.