<b>Attraction of </b><b><i>Telenomus remus</i></b><b> to egg volatiles of </b><b><i>Spodoptera litura</i></b><b> and oviposition-induced plant volatiles from tobacco (</b><b><i>Nicotiana tabacum</i></b><b>)</b>

We explored the behavioral responses of the egg parasitoid <i>T. remus</i> to volatiles emitted from various sources, including <i>S. litura</i> egg masses, healthy tobacco plants, tobacco plants naturally infested with <i>S. litura</i> eggs, and tobacco plants artificially inoculated with <i>S. litura</i> egg masses, as well as some chemicals from the four sources identified by GC-MS under laboratory conditions. Our findings indicate that volatiles from <i>S. litura</i> egg masses and tobacco plants naturally infested with <i>S. litura</i> eggs are attractive to <i>T. remus</i>. Additionally, binary and ternary combinations of six chemicals (Cis-3-hexenyl acetate, decanal, (+)-α-pinene, linalool, tetracosane, and heneicosane) at concentrations of 1 and 10 ng/µL also elicited attraction in the parasitoid.本研究于实验室条件下，探究了卵寄生蜂T. remus对多种来源挥发性物质的行为响应，所涉挥发物来源包括斜纹夜蛾（S. litura）卵块、健康烟草植株、自然被斜纹夜蛾卵侵染的烟草植株、人工接种斜纹夜蛾卵块的烟草植株，以及通过气相色谱-质谱联用仪（GC-MS）从上述四类来源中鉴定得到的部分化学组分。研究结果表明，斜纹夜蛾卵块与自然被斜纹夜蛾卵侵染的烟草植株所释放的挥发性物质，对T. remus具有显著引诱活性；此外，浓度为1 ng/µL与10 ng/µL的6种化学物质（乙酸顺-3-己烯酯、癸醛、(+)-α-蒎烯、芳樟醇、二十四烷和二十一烷）的二元及三元组合，同样可引发该寄生蜂的趋性反应。