Behavioral responses of the egg parasitoid Trissolcus japonicus to volatiles from adults of its stink bug host, Halyomorpha halys
文献类型: 外文期刊
第一作者: Chen, Guo-Hua
作者: Chen, Guo-Hua;Zhong, Yong-Zhi;Zhang, Jin-Ping;Tang, Rui;Zhan, Hai-Xia;Zhang, Feng;Zhang, Jin-Ping;Zhang, Feng;Ren, Li-Li;Tang, Rui
作者机构:
关键词: Brown marmorated stink bug;Pentatomidae;Scelionidae;Host-parasitoid interactions;Kairomones;n-Tridecane;(E)-2-Decenal
期刊名称:JOURNAL OF PEST SCIENCE ( 影响因子:5.918; 五年影响因子:5.955 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Halyomorpha halys, originating from East Asia, has become an important agricultural pest in northern temperate regions since its accidental introduction into North America in the mid-1990s and Europe in 2007. Trissolcus japonicus is the predominant egg parasitoid of this pest in its native range. Here, we tested the hypothesis that T. japonicus uses volatiles associated with H. halys adults during host location. The effects of these volatile compounds on H. halys adults were also assessed. Chemical analysis with GC-MS and electrophysiological analysis with GC-EAD revealed the presence of two bioactive volatile compounds from H. halys adults, n-tridecane and (E)-2-decenal. In the Y-tube assays, female T. japonicus were attracted by n-tridecane but strongly repelled by (E)-2-decenal. Furthermore, host searching time of female T. japonicus was significantly reduced when an H. halys egg mass was treated with n-tridecane and prolonged when treated with (E)-2-decenal or a mixture of (E)-2-decenal and n-tridecane. Male H. halys were significantly attracted by n-tridecane, whereas females had no response to this compound in the Y-tube assays. (E)-2-Decenal strongly repelled male and female H. halys in the Y-tube assays. We discuss the multifunctional kairomonal and other possible roles of these semiochemicals at different trophic levels in the context of intra-and inter-specific chemical communication, in the H. halys-T. japonicus system.
分类号: TS2
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