Abstract
Two programs for controlling the western flower thrips (WFT), Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae), were evaluated. Greenhouse experiments were conducted for reducing F. occidentalis populations on pepper plants. The first program was by releasing four phytoseiid predacious mite species namely Neoseiulus arundonaxi (Metwally and Sanad), N. barkeri (Hughes), N. bicaudus (Wainstein), and Cydnoseius negevi (Swirski and Amitai) in the presence of blue sticky traps. The second one was by applying four sequential applications of different pesticides. Results showed that two releases of N. bicaudus, N. barkeri, and N. arundonaxi in the presence of the blue sticky traps reduced WFT population by 45 to 56%. The best control management of the WFT was by the following insecticides: chlorfenapyr, imidacloprid, azadirachtin, and agricultural potassium soap (third program).
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