Novel, male-produced aggregation pheromone of the cerambycid beetle Rosalia alpina, a priority species of European conservation concern.
Novel, male-produced aggregation pheromone of the cerambycid beetle Rosalia alpina, a priority species of European conservation concern.
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新型男性生产的聚集信息素，cerambycid甲虫Rosalia alpina，这是欧洲保护问题的优先物种。
DOI：
10.1371/journal.pone.0183279
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发表时间：
2017
期刊：
影响因子：
3.7
通讯作者：
Millar JG
中科院分区：
文献类型：
--
作者：
Žunič Kosi A;Zou Y;Hoskovec M;Vrezec A;Stritih N;Millar JG
最近的几项研究证明了化学信息素在生态学和保护研究中的巨大潜力。天牛罗莎莉亚高山 (Rosalia alpina) 是欧洲腐木昆虫生物多样性的旗舰物种之一。近年来，由于森林管理和城市化，其人口似乎大幅下降，其范围也大幅缩小。在这里，我们收集了雄性和雌性高山红藻释放的挥发性化学物质。对所得提取物的分析揭示了单一男性特异性化合物的存在，该化合物被鉴定为新型烷基化吡喃酮结构。在斯洛文尼亚的现场生物测定中，用合成的吡喃酮作为诱饵的陷阱捕获了高山红藻的两性，表明吡喃酮具有聚集信息素的功能。我们的结果代表了天牛科信息素新结构类别的第一个例子，并证明信息素诱饵陷阱可以为高山罗勒氏菌采样提供有用的工具。该工具对于持续制定标志性但濒临灭绝的高山天牛的保护策略特别有用。
Several recent studies have demonstrated the great potential for exploiting semiochemicals in ecology and conservation studies. The cerambycid beetle Rosalia alpina represents one of the flagship species of saproxylic insect biodiversity in Europe. In recent years its populations appear to have declined substantially, and its range has shrunk considerably as a result of forest management and urbanization. Here, we collected volatile chemicals released by males and females of R. alpina. Analyses of the resulting extracts revealed the presence of a single male-specific compound, identified as a novel alkylated pyrone structure. In field bioassays in Slovenia, traps baited with the synthesized pyrone captured both sexes of R. alpina, indicating that the pyrone functions as an aggregation pheromone. Our results represent the first example of a new structural class of pheromones within the Cerambycidae, and demonstrate that pheromone-baited traps can provide a useful tool for sampling R. alpina. This tool could be particularly useful in the ongoing development of conservation strategies for the iconic but endangered Alpine longicorn.
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