Apparently, the trick originally surfaced on Reddit, where a postman explained that postmen put dryer sheets in boxes to ward off wasps. Apparently the stinging insects tend to build nests there.
Since dryer sheets are highly scented and wasps have a keen sense of smell, this irritates them and keeps them at bay.
Is this scientifically supported? Not exactly. There are no studies that have specifically examined how effective tumble drier wipes are at repelling wasps. However, it is worth a try! Over there have been studies that concluded that essential oils, such as ylang-ylang, cloves, lemongrass, and lavender, repel the pests.
So if you pull out a drying rack along with your junk email, just put it back. And if you need a wasp repellent while sitting outside this summer, there’s a hack for that too!