EAG responses of Asian longhorn beetle Anoplophora glabripennis （Coleoptera: Cerambycidae） to volatiles of hickory
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摘要: 光肩星天牛Anoplophora glabripennis近年来危害山核桃Carya cathayensis，给浙江省临安市山核桃产业造成巨大影响。为给光肩星天牛引诱剂和驱避剂的开发提供基础数据，测定光肩星天牛成虫对-蒎烯、-蒎烯、对二氯苯、邻二甲苯、莰烯、柠檬烯、樟脑、罗勒烯、对乙基苯乙酮等9种山核桃植株挥发物5个浓度的触角电位（EAG）反应。结果表明：光肩星天牛雌虫触角对-蒎烯的EAG活性高于其他化合物，而雄虫触角对柠檬烯、罗勒烯有明显的EAG反应。此外，光肩星天牛雄虫触角对柠檬烯的EAG反应活性随浓度的升高而加大，而光肩星天牛雄虫触角对樟脑的EAG反应活性则随浓度的升高而降低。表明天牛触角对不同种挥发物质的不同浓度所产生的EAG活性都存在差异，且雌雄差异显著（P＜0.05）。这些特性很有可能为研发高效特异性光肩星天牛引诱剂与趋避剂提供理论基础。表2参19Abstract: To provide basic information for development of attractants and repellents of Anoplophora glabripennis, electroantennography （EAG） instrumentation was used to examine the EAG response of A. glabripennis adults to nine kinds of Carya cathayensis （hickory） volatiles, including: -pinene, -pinene, ocimene, 1,4-dichlorobenzene, 1,2-xylene, camphene, limonene, camphorand and so on, at five concentrations （10－1, 10－2, 10－3, 10－4, 10－5 molL－1）. Significant differences （P＜0.05） were present for the feeling strength of the antennae in relation to volatiles from female and male adults. For female adults -pinene elicited the highest EAG response（relative EAG values is about 17.4）, for male adults EAG responses to limonene and ocimene were appresent（relative EAG values is about 13.4 and 7.3）. In addition, EAG showed a response to different concentrations of volatile matter for tentacles, significantly different among different samples （P＜0.05） by LSD method. This study will provide a theoretical foundation for research and development of attractants and repellents of A. glabripennis.［Ch, 2 tab. 19 ref.］
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https://zlxb.zafu.edu.cn/article/doi/10.11833/j.issn.2095-0756.2016.01.022
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