The Secret Weapon Against Summer Wasps and Flies: Why a Clove-Studded Lemon Outperforms Citronella
A halved lemon studded with whole cloves has been keeping tables fly-free for generations—and it actually works better than citronella candles. The secret lies in how eugenol from cloves combines with citrus oils to create a steady, directional scent that deters insects without wind or flame.