Abstract Spatial repellent studies have demonstrated that volatile pyrethroids reduce human contact with mosquitoes, but field trials targeting the volatile qualities of spatial repellent pyrethroids for integrated pest management are lacking. To investigate the stability and utility of volatile pyrethroids in mosquito management, metofluthrin was formulated into a vegetation spray intended for use on foliage and mosquito harborage. A comparative field evaluation was conducted between Onslaught Fast Cap, the experimental metofluthrin formulation, and a blended treatment of Onslaught Fast Cap and metofluthrin. Environmental fate of the metofluthrin formulation was estimated using aging bioassays to stress the formulated product, while leaf samples were taken from the treated field sites to bioassay against Aedes albopictus (Skuse) and determine a comparative rate of decay.The combined data from the aging bioassays and leaf samples allow inference that the experimental formulation lasts 2–3 wk in most lighting and humidity conditions at ∼26.6 ± 1°C. However, regular rainfall jeopardizes continued efficacy. In comparative field efficacy, adult mosquito reductions were comparable between the two products. Onslaught Fast Cap reduced eggs collected in the immediate vicinity by 80–90% but had no effect in adjacent areas. Metofluthrin treatments resulted in a 50–90% reduction of eggs collected for 4 wk up to 60 m away from treated vegetation. However, the blended treatment using metofluthrin as an additive to Onslaught Fast Cap provided ≥80% control of Ae. albopictus adults and eggs, proximal and adjacent to treated areas, for the study duration. Metofluthrin has a great potential as a supporting ingredient to other insecticides.

中文翻译：

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甲氧氟氰菊酯作为户外残留处理剂对白纹伊蚊（双翅目：虱科）的屏障和藏匿的比较评价

摘要 空间驱虫剂研究表明，挥发性拟除虫菊酯可减少人类与蚊子的接触，但缺乏针对空间驱虫剂拟除虫菊酯的挥发性特性进行综合虫害管理的田间试验。为了研究挥发性拟除虫菊酯在蚊子管理中的稳定性和实用性，将甲氧氟菊酯配制成植物喷雾剂，用于树叶和蚊子的栖息地。在 Onslaught Fast Cap、实验性甲氧氟氰菊酯配方以及 Onslaught Fast Cap 和甲氧氟氰菊酯的混合处理之间进行了现场比较评估。使用老化生物测定法对配制的产品施加压力来估计甲氧氟菊酯制剂的环境归宿，而叶子样品是从处理过的田间现场采集的，对白纹伊蚊 (Skuse) 进行生物测定并确定衰减的比较速率。来自老化生物测定和叶子样品的组合数据可以推断出实验配方在大多数光照下可持续 2-3 周和湿度条件在 ~26.6 ± 1°C。然而，定期降雨会危及持续的功效。在比较田间功效方面，两种产品之间的成蚊减少量相当。Onslaught Fast Cap 将附近收集的鸡蛋减少了 80-90%，但对相邻区域没有影响。Metofluthrin 处理导致在 4 周内收集到距离处理过的植被 60 m 的虫卵减少 50-90%。然而，使用甲氧氟菊酯作为 Onslaught Fast Cap 添加剂的混合处理提供了≥80% 的 Ae 控制。在研究期间，近端和邻近处理区域的 albopictus 成虫和卵。Metofluthrin 作为其他杀虫剂的辅助成分具有很大的潜力。