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The long-term goal of this report is the documentation of the sublethal effects of pesticides to parasitic Hymenoptera. The objective of this laboratory study was to determine if parasitoids can be conserved or augmented againstBemisia argentifoliiin crops where insecticides are also applied for other pests. Lethal and sublethal effects were measured for six insecticides applied in the laboratory...
Populations of whiteflies [Bemisia tabaci(Gennadius)sl.] and the rates at which they were parasitized in cotton fields in Israel and California were monitored over a number of years. Studies took place both in fields that were treated with insecticides and in untreated fields and permitted us to assess the influence of insecticidal treatments upon percentage parasitism. The results showed that, in...
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