Ephemera danica

Ephemera danica

Ephemera danica is a species of mayfly in the genus Ephemera. The common name "Green Drake" is used in some parts of the British Isles for this species.

This species is commonly found in clear water rivers and lakes with sandy or gravel bottoms throughout Europe and the British Isles. The life cycle is one or two years. E. danica, with its markings and three tails, is the most commonly seen of British Ephemeridae.


  • Mutsunori Tokeshi (1985) Life-Cycle and Production of the Burrowing Mayfly, Ephemera danica: A New Method for Estimating Degree-Days Required for Growth, Journal of Animal Ecology, Vol. 54, No. 3, Pp. 919-930.

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