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Ephemeroptera (Mayflies) is an order of insects. There are 3341 species of Mayflies, in 442 genera and 42 families. It includes groups like Rallidentidae, Ichthybotidae, and Dipteromimidae.

EOL has data for 4 attributes, including:

Known occurrences, collected specimens and observations of mayflies. View this species on GBIF
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Mayfly Habitats

The environments in which many mayflies species are known to live. Select an environment to see its mayflies species checklist.