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首页> 外文期刊>Israel Journal of Plant Sciences >Intraspecific attraction and host tree selection by adult Capnodis tenebrionis
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Intraspecific attraction and host tree selection by adult Capnodis tenebrionis

机译：成年卷尾猴的种内吸引力和寄主树选择

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摘要

Management of the peach flatheaded rootborer, Capnodis tenebrionis, a major pest of stone-fruit orchards in the Mediterranean area, is based on preventive measures, due to insufficient information on the pest population levels, and the ineffective methods aimed at monitoring the adults. This study aimed at elucidating the role of chemical communication between adults, and the involvement of the host tree as a meeting point for males and females. This information may assist in setting the base for a monitoring procedure for the beetle population and the development of baits to lure the beetle to a trap. We detected no sexual communication signals or kairomonal effects through bioassays of airborne beetles’ or host plants’ volatiles. We found that volatile cues, originating from either healthy or stressed nitrogen-rich host trees, attract the adults into a confined area. Thus, we conclude that beetles are attracted to nitrogen-rich trees. It is suggested that visual cues may be used to locate conspecifics on a chosen tree, and tactile stimuli may then be applied to distinguish females from males. A female seeking a suitable tree for oviposition may follow volatile cues originating from a stressed nitrogen-rich tree accompanied by other stress characteristics volatiles.
机译：由于对害虫种群水平的了解不足，以及对成虫进行监测的方法无效，因此对地中海无核的桃核无头root，Capnodis tenebrionis（一种主要的核果园害虫）的管理基于预防措施。这项研究旨在阐明成年人之间化学交流的作用，以及宿主树作为男性和女性交汇点的参与。此信息可能有助于为甲虫种群的监测程序和诱饵的发展，以诱使甲虫进入陷阱。通过对空中甲虫或寄主植物的挥发物进行生物测定，我们没有发现任何性交流信号或开罗烷效应。我们发现，来自健康或压力很大的富含氮的寄主树的挥发性线索将成年吸引到密闭区域。因此，我们得出结论，甲虫被富氮树木吸引。建议使用视觉提示来定位选定树上的同种异体，然后将触觉刺激应用于区分雌性和雄性。寻求适合产卵的雌性的雌性可能跟随着来自富氮树木的挥发性线索，并伴有其他胁迫特性的挥发性物质。

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