British Insects: the Genera of Ephemeroptera
Unless indicated otherwise, the following attributes are implicit throughout the descriptions, except where the characters concerned are inapplicable.
Imago. Wings fringed only in sub-imagines; unspotted. Fore-wings with veins M1 and Cu1 sub-parallel basally; with R5 and R4 joined basally.
To view illustrations with legends giving names in current use, go to the interactive key. This also offers full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting or lacking specified attributes, and distributions of character states within any set of taxa, as well as source references and other relevant material.
Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2003 onwards. British insects: the genera of Ephemeroptera. Version: 29th December 2011. http://delta-intkey.com’.