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Ephemeroptera

"Ephemeroptera" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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An Order of aquatic INSECTS comprising about 2,500 species worldwide. It is the only insect group with two flying stages, each with relatively large forewings. The immature stage called "naiad" or "nymph" lasts one year in fresh water, and the adult stage is shortlived, lasting from a few minutes to a few days, depending on the species. The Ephemeroptera includes mayflies (also called shadflies)


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This graph shows the total number of publications written about "Ephemeroptera" by people in this website by year, and whether "Ephemeroptera" was a major or minor topic of these publications.
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