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The Feeding Rate of Predatory Mites on Life Stages of Bemisia tabaci Mediterranean Species

The Food and Environment Research Agency, Sand Hutton, York YO41 1LZ, UK
Insects 2014, 5(3), 609-614;
Received: 12 June 2014 / Revised: 2 July 2014 / Accepted: 17 July 2014 / Published: 22 July 2014
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The sweetpotato whitefly Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) continues to be a serious threat to crops worldwide. The UK holds Protected Zone status against this pest and, as a result, B. tabaci entering on plant material is subjected to a policy of eradication. There has recently been a shift from Middle East-Asia Minor 1 to the more chemical resistant Mediterranean species entering the UK. Predatory mites (Amblyseius swirskii, Transeius montdorensis and Typhlodromalus limonicus) were screened for their impact upon various lifestages of B. tabaci Mediterranean species. Approximately 30% of eggs were fed upon by A. swirskii following a 5 day period. Feeding rates slightly decreased for all mite species when feeding on first instar life-stages (27%, 24%, 16% respectively) and significantly decreased when feeding on second instars (8.5%, 8.5%, 8.7% respectively). Combining the two mite species (A. swirskii and T. montdorensis) increased mortality of Bemisia eggs to 36%. The potential of incorporating the mites into existing control strategies for B. tabaci is discussed. View Full-Text
Keywords: Bemisia tabaci; predatory mite; Integrated Pest Management Bemisia tabaci; predatory mite; Integrated Pest Management

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Cuthbertson, A.G.S. The Feeding Rate of Predatory Mites on Life Stages of Bemisia tabaci Mediterranean Species. Insects 2014, 5, 609-614.

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