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Efficiency of volatile baited sticky traps for the Tarnished Plant Bug ( Lygus lineolaris ) in strawberry fields
Journal of Applied Entomology ( IF 1.9 ) Pub Date : 2020-01-28 , DOI: 10.1111/jen.12735
Laura Chouinard‐Thuly 1, 2 , François Dumont 2 , Caroline Provost 2 , Mathieu Lemieux 1, 2 , Daniel Chapdelaine 3 , Oscar Quintana Sanchez 3 , Pierre‐Olivier Montiglio 1
Affiliation  

Insecticides have adverse effects on human health and the environment. Thus, the development of non‐chemical replacement to manage insect pests is urgent. An alternative is to bait sticky traps with attractive insect sex pheromones or plant volatiles. In Quebec, the tarnished plant bug (Lygus lineolaris) is a major insect pest. We tested the efficiency of sex pheromones (mixture of hexyl butyrate (HB), (E)‐2‐hexenyl butyrate (E2HB) and (E)‐4‐oxo‐2‐hexenal (KA)) and sunflower (Helianthus annuus) volatiles (pinene, sabinene and phenylacetaldehyde) as sticky trap baits for the tarnished plant bug in strawberry fields of the Laurentians in Southern Québec, Canada. The pheromones decreased the number of tarnished plant bug caught in the traps compared to a control. The sunflower volatile did not have any effect on the number of individuals caught in the traps. Different Lygus species use HB, E2HB and KA in different ratios for sexual signals and alarm signals and for species recognition. GC‐MS analysis of the sex pheromone bait revealed that the ratios between the three main compounds did not match the intended ratio for the L. lineolaris species. This mismatch probably explains our results. Individuals were not attracted to sunflower volatiles. Our results point to the difficulty of manufacturing and using sex pheromones as baits. Future work should assess the effect of several pheromone ratios.

中文翻译:

草莓田中失去光泽的植物臭虫(Lygus lineolaris)的挥发性诱饵粘性陷阱的效率

杀虫剂对人类健康和环境有不利影响。因此,开发非化学替代物来管理害虫迫在眉睫。另一种方法是用诱人的昆虫性信息素或植物挥发物诱饵粘性陷阱。在魁北克,失去光泽的植物臭虫 (Lygus lineolaris) 是一种主要的害虫。我们测试了性信息素(丁酸己酯 (HB)、(E)-2-己烯基丁酸酯 (E2HB) 和 (E)-4-oxo-2-己烯醛 (KA) 的混合物)和向日葵 (Helianthus annuus) 挥发物的效率(蒎烯、蒎烯和苯乙醛)作为粘性诱捕剂,用于捕食加拿大魁北克南部劳伦斯人草莓田中失去光泽的植物虫。与对照相比,信息素减少了陷阱中捕获的失去光泽的植物臭虫的数量。向日葵挥发物对陷入陷阱的个体数量没有任何影响。不同的 Lygus 物种以不同的比率使用 HB、E2HB 和 KA 来进行性信号和警报信号以及物种识别。性信息素诱饵的 GC-MS 分析表明,三种主要化合物之间的比例与线虫属物种的预期比例不匹配。这种不匹配可能解释了我们的结果。个人不会被向日葵挥发物所吸引。我们的结果指出制造和使用性信息素作为诱饵的难度。未来的工作应该评估几种信息素比率的影响。性信息素诱饵的 GC-MS 分析表明,三种主要化合物之间的比例与线虫属物种的预期比例不匹配。这种不匹配可能解释了我们的结果。个人不会被向日葵挥发物所吸引。我们的结果指出制造和使用性信息素作为诱饵的难度。未来的工作应该评估几种信息素比率的影响。性信息素诱饵的 GC-MS 分析表明,三种主要化合物之间的比例与线虫属物种的预期比例不匹配。这种不匹配可能解释了我们的结果。个人不会被向日葵挥发物所吸引。我们的结果指出制造和使用性信息素作为诱饵的难度。未来的工作应该评估几种信息素比率的影响。
更新日期:2020-01-28
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