Tephritid flies threaten the production of fruits around the world. In the Americas, populations of the genus Anastrepha are monitored with trapping networks as part of pest management programs. Here, we report the formulation of male Anastrepha suspensa (Loew) pheromones, (±)-anastrephin and (±)-epianastrephin, into a poly(vinyl chloride) (PVC) polymer-based lure ready for trap deployment. The PVC polymer disks (100 mg) contain 10% by weight of (±)-epianastrephin and (±)-anastrephin in a naturally occurring 7:3 diastereomeric ratio, respectively. Emission of the pheromones from the disks into an airstream was evaluated as a function of the abiotic environmental parameters, absolute humidity and temperature. Kinetic data supports a diffusion-controlled mechanism of release from the matrix with first-order rate constants that decreased about ten-fold as the temperature was lowered from 30 to 15 °C. As such, the emission of volatile pheromones from the disks is suitable to last for several weeks in the field. This kinetic approach, which can be easily extended to the diffusion-controlled release of other attractants from polymeric matrices, yields laboratory predictions of the potential for environmental loss prior to conducting field bioassays.

Tephritid 苍蝇威胁着世界各地的水果生产。在美洲，作为害虫管理计划的一部分，用诱捕网络监测按实蝇属的种群。在这里，我们报告了雄性按实蝇的配方(Loew) 信息素、(±)-anastrephin 和 (±)-epianastrephin，放入聚（氯乙烯）（PVC）聚合物基诱剂中，准备部署陷阱。PVC 聚合物圆盘 (100 mg) 分别含有 10% 重量的 (±)-表烯肾上腺素和 (±)-anastrephin，其天然存在的非对映体比例为 7:3。作为非生物环境参数、绝对湿度和温度的函数，评估了从圆盘到气流中的信息素排放。动力学数据支持从基质中释放的扩散控制机制，其一级速率常数随着温度从 30°C 降低到 15°C 降低约 10 倍。因此，从磁盘释放的挥发性信息素适合在现场持续数周。这种动力学方法，