Citation: Macan, T.T. 1970 A key to the nymphs of the British species of Ephemeroptera with notes on their ecology. 68pp. ,
Pages: 1-68
Book/Symposium Title: Scient.Publ.Fresh.Biol.Assoc.
Volume: 20
Keywords: Britain, Ecology, Ephemeroptera, Insect, Key