A Pictoral Guide to British Ephemeroptera (Mayflies)
Ephemeroptera, also known as mayflies or up-wing flies, can be seen emerging from the water, resting on nearby vegetation of 'dancing' above head height along the shores of still waters and rivers.
This new AIDGAP identification guide provides introductory, picture-based keys and species accounts for both the adults and nymphs of the 51 species of Ephemeroptera that have been recorded in the British Isles. Further information covers the biology and ecology of these large and conspicuous aquatic insects, as well as the main emergence and flight periods of each species.
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