Issue:ISSN 2095-1353
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2011年48 No.3
Orientation of Orius sauteri (Hemiptera: Anthocoridae) to healthy or injured bean plants by western flower thrips
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Key Words：predatory bug, Frankliniella occidentalis, Tetranychus urticae, injured bean plants
Abstract：Orius sauteri (Hemiptera: Anthocoridae) is one of the natural enemies of the western flower thrip (WFT) and two-spotted spider mite (TSSM).In this article the orientation of O. sauteri to healthy bean plants, and those damaged by WFTs and/or TSSMs, was studied in small cages under greenhouse conditions of 26℃±1℃, RH：70%.The results show that plants that had been damaged by WFTs, or by both Wfts and TSSMs, attracted many more predatory bugs than either undamaged plants or those damaged by TSSMs alone.O. sauteri tended to leave both healthy and damaged plants at dusk (18:30 pm).