聚集性信息素和植物源信息素对松墨天牛的联合诱捕
Field trapping utilizing an aggregation pheromone and host volatiles on the Japanese pine sawyer Monochamus alternatus Hope (Coleoptera: Cerambycidae)
樊建庭1 孟俊国1 赵莉蔺2 孙江华2**
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作者单位：1. 浙江农林大学林业与生物技术学院 临安 311300；2. 中国科学院动物研究所农业虫害鼠害综合治理研究国家重点实验室 北京 100101
中文关键词：诱捕，松墨天牛，性信息素，植物源信息素，线虫
英文关键词：trapping, M. alternatus, pheromone, host volatiles, nematode
中文摘要：我们评价了聚集性信息素和植物源信息素对松墨天牛Monochamus alternatus Hope (Coleoptera: Cerambycidae)在林间的联合诱捕作用，以期研制出更优的引诱剂控制松墨天牛成虫的危害。结果显示，樟子松墨天牛M. galloprovincialis雄虫挥发出来的聚集性信息素2-undecyloxy-1-ethanol对松墨天牛雌雄成虫均有引诱效果，而且樟子松墨天牛性信息素与植物源信息素之间相互增效作用十分显著，比性信息素或植物源信息素单独使用效果提高4~5倍。松墨天牛雌虫卵巢发育情况显示，成虫期在浙江地区大约持续4个月，松墨天牛成虫期可以分为两个阶段，第一个阶段为取食期（卵巢未成熟），从5月9日到7月9日；第二个阶段为产卵期（卵巢成熟），从6月3日到9月18日(图3)，两个阶段在一段时期有重叠。聚集性信息素和植物源信息素联合应用将在防控松墨天牛危害，遏制松材线虫病传播方面发挥重要作用。
英文摘要：We evaluated the responses of Monochamus alternatus Hope (Coleoptera: Cerambycidae) adults to the sawyer beetle pheromone and host-plant volatile kairomones to determine an optimal lure for the management of M. alternatus adults. Our results showed that the male-produced aggregation pheromone of M. galloprovincialis, 2-undecyloxy-1-ethanol, is attractive to M. alternatus males and females. Moreover traps baited with a combination of the aggregation pheromone of M. galloprovincialis and host volatiles was significantly superior, catching 4-5 times more M. alternatus adults than the pheromone or host volatiles alone. The result of Monochamus alternatus female ovary development showed that the adult stage in Zhejiang last about four months, and adult stage can be divided into two phases, the first phase is the feeding period (the ovaries are immature), from May 9 to July 9; the second stage is the ovipositing period (the ovaries are mature), from June 3 to September 18, and there is an overlap between two phases over a period of time. It is hoped that removal trapping of M. alternatus adults with the combination lure of the pheromone and host volatiles will play an important role in controlling the spread of the pinewood nematode.