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The brief, fizzing life of a mayfly

According to AFP, mayfly larvae live underwater for three years, and then millions of these short-lived insects engage in a frantic rush to mate and reproduce before they perish in just a few hours during 'Tiszaviragzas' - the Tisza blooming season - which lasts from late spring to early summer every year. The species was once widespread across Europe, but has now disappeared from much of the continent.