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The ability of commercially available thrips predators to reduce western flower thrips (WFT) was examined on gerberas, chrysanthemums and roses. Three foliage predators were found to have the greatest potential to manage WFT. Two predatory mites and a pirate bug reduced thrips numbers by about 30 to 99%, depending on the stage and location of thrips. Results indicated that soil predators rarely reduced the number of WFT on foliage and flowers and, when combined with foliage predators, did not reduce the number of WFT more than the foliage predators alone.

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