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首页> 外文期刊>Journal of Economic Entomology >Improving the Monitoring of the Walnut Husk Fly (Diptera: Tephritidae) Using Male-Produced Lactones
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Improving the Monitoring of the Walnut Husk Fly (Diptera: Tephritidae) Using Male-Produced Lactones

机译：使用雄性生成的内酯改善核桃壳飞（Diptera：Tephritidae）的监测

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It is important to monitor fruit flies (Diptera: Tephritidae) efficiently to implement sustainable means of control. Attractants are often used to increase the efficiency of sticky traps deployed in orchards to monitor Lepidopterans, but remains to be developed to monitor fruit flies. Rhagoletis completa Cresson (Diptera:Tephritidae) is an invasive species in the walnut orchards of Europe, and is commonly monitored with yellow sticky traps. In this study, we collected the volatile compounds released by male and female R. completa, and identified two lactones released exclusively by males. We then formulated both lactones in long-lasting volatile dispensers, and we quantified their release rate over a 26-d period. Finally, during the entire period when female flies are present in the field, we compared the efficiency of the conventional monitoring method using unbaited yellow sticky traps with yellow sticky traps associated with a dispenser releasing both male-produced lactones. These assays were conducted in 54 walnut orchards in France, in 2017. The number of fruit flies caught with sticky traps associated with lactones dispensers was increased by up to 10 times each week. Lactone-baited traps also allowed earlier detection in the season. These field results are promising for R. completa monitoring. A complete chiral identification of these lactones should be performed along with a clarification of their role in the sexual communication of R. completa.
机译：有效地监测水果苍蝇（Diptera：Tephritidae）以实现可持续的控制手段。吸引剂通常用于提高部署在果园中的粘性陷阱的效率来监测鳞翅目，但仍有待制定的是监测果蝇。 Rhagoletis Completa Cresson（Diptera：Tephritidae）是欧洲核桃果园的侵入性物种，通常被黄色粘滞陷阱监测。在这项研究中，我们收集了雄性和雌性R.释放的挥发性化合物，并鉴定了仅由男性释放的两种乳酰胺。然后，我们将两种内酯配制在长持久的挥发性分配器中，我们在26-D期间量化了释放速率。最后，在母蝇存在的整个时期，我们将传统监测方法的效率与具有与分配器释放的分配器释放的分配器相关的黄色粘性陷阱进行了比较了常规监测方法的效率。 2017年，在法国的54个核桃果园进行了这些分析。每周含有与内酯分配器相关的粘性陷阱的果蝇数量高达10次。内酯 - 诱饵陷阱也允许在本赛季早期检测。这些现场结果是对R. Completa Monitoring的承诺。应当澄清其在R. Compleda的性交流中的作用澄清这些内酯的完全手性鉴定。

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