Mayflies are
insects assigned to the
Order Ephemeroptera. They are related to
dragonflies and damselflies. Their development takes place in freshwater and typically takes a year. During that time, they are known as "
nymphs". The adults are short-lived, from a few hours to a few days depending on the species. About 2,500 species are known worldwide. Depicted here is a female subimago of the March Brown, Rhithrogena germanica, which is a faunistic rarity and on the red list of endangered species.
Mayflies are
insects assigned to the
Order Ephemeroptera. They are related to
dragonflies and damselflies. Their development takes place in freshwater and typically takes a year. During that time, they are known as "
nymphs". The adults are short-lived, from a few hours to a few days depending on the species. About 2,500 species are known worldwide. Depicted here is a female subimago of the March Brown, Rhithrogena germanica, which is a faunistic rarity and on the red list of endangered species.