Photo: Andor Derzsi Elekes
Males begin their brief adult life (ranging from a few hours to half a day) after flying ashore. A little later the females appear, caring only about finding their partner, and not even feeding.
During the most spectacular part of the mayfly mass-mating, millions of specimens fly over the river Tisza, creating a beautiful dance (see video below). The amazing spectacle occurs in the late afternoon and evening, usually between 18-21 hours.