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  • Title: Survey of natural enemies of spider mites (Acari: Tetranychidae) in citrus orchards in eastern Spain.
    Author: Abad-Moyano R, Pina T, Dembilio O, Ferragut F, Urbaneja A.
    Journal: Exp Appl Acarol; 2009 Jan; 47(1):49-61. PubMed ID: 18803026.
    Abstract:
    Field surveys were conducted from 2004 to 2007 to determine the species composition and relative abundance of natural enemies associated with colonies of either the citrus red mite, Panonychus citri, or the two spotted spider mite, Tetranychus urticae, in Valencian citrus orchards (eastern Spain). Fourteen species were recorded, six phytoseiid mites and eight insect predators. Two of them are reported for the first time on citrus in Spain and two more are first reports as predators associated with T. urticae. The community of predators associated with T. urticae and P. citri was almost identical, and the Morisita-Horn index of similarity between both natural enemy complexes was close to one, suggesting that predators forage on both pest species. Quantifying the presence of many known spider mites predators in Valencian citrus orchards is an important first step towards spider mite control. A challenge for future studies will be to establish conservation and/or augmentation management strategies for these predators, especially to improve T. urticae biological control.
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