| 树蜂科昆虫信息化学物质研究进展 |
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| 引用本文：贾若峰,陆鹏飞,乔海莉.树蜂科昆虫信息化学物质研究进展.植物保护学报,2024,51(6):1279-1295 |
| DOI：10.13802/j.cnki.zwbhxb.2024.2023081 |
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| 中文摘要:树蜂科Siricidae均为蛀干昆虫，幼虫钻蛀木材使树木死亡或木材质量下降，其中少数物种如松树蜂Sirex noctilio可严重威胁森林资源。树蜂科雌蜂在卵巢基部形成贮菌囊，产卵时将共生真菌注入树体，导致寄主树种快速死亡。在长期进化适应中，树蜂-寄主-共生真菌形成了高度稳定的互利共生关系，而信息化学物质巧妙地将虫-树-菌三者耦合在一起。这些信息化学物质包括种内信息素（虫）、寄主植物挥发物（树）、共生真菌挥发物（菌），它们具有各自特殊的化学指纹图谱，在虫-树-菌系统中协同互作，共同调控树蜂的繁殖行为。其中α-蒎烯、β-蒎烯和3-蒈烯等单萜烯类寄主植物挥发物的引诱效果最好，而种内信息素、共生真菌挥发物虽然在触角电位试验和嗅觉行为试验中有较好活性，但在田间试验中难以有效诱捕树蜂。该文综述了树蜂科昆虫各个信息化学物质的收集、鉴定、室内和林间引诱效果及相关化学通信分子机制，探讨了这些信息化学物质在害虫监测和防控等方面可能的应用前景，以期为树蜂科昆虫信息化学物质综合利用提供参考。 |
| 中文关键词:树蜂科 信息素 植物挥发物 共生真菌挥发物 化学通信 |
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| Advances in the studies on semiochemicals of family Siricidae |
| Author Name | Affiliation | E-mail | | Jia Ruofeng | State Key Laboratory of Efficient Production of Forest Resources, College of Forestry, Beijing Forestry University, Beijing 100083, China | | | Lu Pengfei | State Key Laboratory of Efficient Production of Forest Resources, College of Forestry, Beijing Forestry University, Beijing 100083, China | lpengfei224@126.com | | Qiao Haili | The Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China | qhl193314@sina.com |
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| Abstract:Siricidae, known for their wood-boring larvae that damage trees, lead to tree death or reduced timber quality. Certain species, such as Sirex noctilio, present a significant threat to forest resources. Female Siricidae possess specialized structures called mycangia at the base of their ovaries, which house symbiotic fungi. During egg-laying, these fungi are introduced into the tree, resulting in the swift demise of the host. Over time, an intricate and stable mutualistic relationship has evolved among the Siricidae, their host trees, and the symbiotic fungi. Semiochemicals play a pivotal role in linking these three components. These semiochemicals include intraspecific pheromones (from the insects), host plant volatiles (from the trees), and volatiles from the symbiotic fungi. Each of these has a unique chemical finger-print, and they interact synergistically within the insect-tree-fungus system to regulate the reproductive behavior of Siricidae. Among these, monoterpenes like α-pinene, β-pinene, and 3-carene, emitted by host plants, have demonstrated the most potent attraction. Although intraspecific pheromones and fungal volatiles showsignificant activity in electroantennogram and behavioral assays, they have proven less effective in field trapping. This review provides an overview of the collection, identification, and both laboratory and field attraction effects of various semiochemicals from Siricidae, along with theunderlying molecular mechanisms of their chemical communication. It also examines the potential applications of these semiochemicals in pest monitoring and management, aiming to provide references for the integrated use of semiochemicals for controlling Siricidae insects. |
| keywords:Siricidae pheromone host plant volatile symbiotic fungus volatile chemical communication |
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