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首页> 外文期刊>PLoS One >Novel, male-produced aggregation pheromone of the cerambycid beetle Rosalia alpina, a priority species of European conservation concern
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Novel, male-produced aggregation pheromone of the cerambycid beetle Rosalia alpina, a priority species of European conservation concern

机译：新型的男性生产的cerambycid甲虫Rosalia alpina的聚集信息素，是欧洲保护重点之一

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摘要

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.
机译：最近的一些研究表明，在生态学和保护学研究中利用符号化学的巨大潜力。 cerambycid甲虫Rosalia alpina代表欧洲Saproxylic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，其人口似乎大大减少了，其范围也大大缩小了。在这里，我们收集了高山红景天的雄性和雌性释放的挥发性化学物质。所得提取物的分析表明存在单一的雄性特异性化合物，该化合物被鉴定为新颖的烷基化吡喃酮结构。在斯洛文尼亚的现场生物测定中，用合成吡喃酮诱饵的诱捕器捕获了高山红球菌的两个性别，表明该吡喃酮起着聚集信息素的作用。我们的结果代表了天牛科内信息素新结构类别的第一个实例，并证明了用信息素诱饵的诱捕器可以为采样高山假单胞菌提供有用的工具。该工具在标志性但濒临灭绝的高山长颈鹿保护策略的持续开发中可能特别有用。

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