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首页> 外文期刊>Environment and Ecology >Behavioral Responses of Banana Pseudostem Weevil, Odoiporus longicollis Olivier (Coleoptera: Curculionidae) to Insect and Plant Volatiles
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Behavioral Responses of Banana Pseudostem Weevil, Odoiporus longicollis Olivier (Coleoptera: Curculionidae) to Insect and Plant Volatiles

机译：香蕉Pseudostem Weevil，Odoiporus longicolis Olivier（鞘翅目：Curculionidae）对昆虫和植物挥发物的行为反应

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摘要

Odoiporus longicollis (Coleoptera: Curculionidae) is the most important monophagous pest of banana; suggesting specific volatiles from banana pseudostem may be attractive to this pest. A study was conducted to determine the behavioral response of O. longicollis adults to male produced chemicals and plant volatiles. Electroantennography (EAG) and behavioral bioassay was conducted using different odor sources collected from male weevils and the host plant. The EAG result showed that, both male and female produced significantly higher antennal response to male volatile (2.231+0.479 and1.279+0.157 mV) and its combination with healthy (1.877+0.357 and 1.242±0.118 mV) and mechanically damaged pseudostem extract (2.231+0.468 and 1.502+0.234 mV). In the olfactometer study, per cent response of males (ranging from 57.14 to 85.71 %) was found to be higher than that of females (ranging from 42.86 to 66.67%) in all the tests. These findings hint a possible role of male produced chemicals along with host plant volatiles in attraction of weevils. Studies are underway to chemically identify theconstituents responsible for the attraction of weevils.
机译：odoiporus longicollis（鞘翅目：curculionidae）是香蕉最重要的单声道害虫;提示来自香蕉假索德的特异性挥发物可能对这种害虫具有吸引力。进行了一项研究以确定O. Longicolis成年人对男性生产化学品和植物挥发物的行为应答。使用从雄性象鼻虫和宿主植物收集的不同的气味来源进行电膜扰（EAG）和行为生物测定。 EAG结果表明，雄性和雌性对雄性挥发性的抗弯性产生显着更高（2.231 + 0.479和1.279 + 0.157 mV），其与健康（1.877 + 0.357和1.242±0.118 mV）的组合，以及机械损坏的假性提取物（ 2.231 + 0.468和1.502 + 0.234 mV））。在嗅觉表的研究中，发现母体的百分之响应（范围从57.14〜85.71％）高于所有测试中的女性（范围从42.86〜66.67％）。这些发现暗示了男性产生的化学品的可能作用以及宿主植物挥发物在象鼻虫中的吸引力。正在进行研究以化学识别负责象鼻虫的吸引力的替代。

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