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30 June 2015 Sublethal effects of abamectin and fenpropathrin on the consumption of Tetranychus urticae eggs by Scolothrips longicornis
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Abstract

Study of the sublethal effects of pesticide residues on predatory thrips is important for the design of integrated pest management programmes with biocontrol elements included. We estimated the sublethal effects of three concentrations of fenpropathrin and abamectin (LC10, LC20 and LC30) on prey consumption rates of exposed females of Scolothrips longicornis Priesner and their offspring when fed on Tetranychus urticae Koch eggs. Prey consumption of female thrips was significantly affected by treatment with all concentrations of the two pesticides with the effect of fenpropathrin being more severe than that of abamectin. Regarding the offspring of treated females, the prey consumption by thrips larvae was adversely affected by both pesticide treatments with no major differences between the two pesticides. The sublethal effects of these pesticides should be taken into account in the planning of integrated management programmes.

© Systematic & Applied Acarology Society
Hajar Pakyari and Annie Enkegaard "Sublethal effects of abamectin and fenpropathrin on the consumption of Tetranychus urticae eggs by Scolothrips longicornis," Systematic and Applied Acarology 20(4), 357-365, (30 June 2015). https://doi.org/10.11158/saa.20.4.1
Received: 14 December 2014; Accepted: 1 April 2015; Published: 30 June 2015
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