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In agricultural crops, colored traps are often used to monitor the density of thrips (Thysanoptera: Thripidae), important pests and vectors of viral diseases. We used colored pole traps, mounted on wind vanes, to study thrips approach in two countries. In Israel, during periods of low wind speed (<1.1 km h‐1), 77% of western flower thrips, Frankliniella occidentalis (Pergande), reached the leeward...
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