The Brushlegged Mayfly (Ephemeroptera) is moulting one more time after acquiring functional wings in Old Quebec City, Quebec, Canada, on June 26, 2025. This last-but-one winged instar, known as a subimago or a dun to fly fishermen, is usually living a very short time, often a matter of hours. Mayflies in this stage are becoming a favorite food of many fish, and many fishing flies are being modeled to resemble them. The adult mayflies are living a short life, from a few minutes to a few days depending on the species. About 2,500 species of mayflies are known worldwide, including about 630 species in North America.
Editorial use only Contact your sales representative for commercial and promotional uses.License this clip
More footage filed by NurPhoto videographers.