Definition of Ephemeroptera in English:


Line breaks: Ephem¦er|op¦tera
Pronunciation: /ɪˌfɛməˈrɒptərə
, -ˌfiːm-/


  • 1An order of insects that comprises the mayflies.
    More example sentences
    • We further included four representatives of the Zygoptera, one representative of the Epiophlebiidae, and one representative of the Ephemeroptera of the family Ephemeridae as outgroup taxa.
  • 1.1 (ephemeroptera) Insects of the order Ephemeroptera; mayflies: various species of ephemeroptera
    More example sentences
    • Stomach contents were examined with a dissecting microscope; [greater than] 99% of the enumerated prey were diptera larvae, ephemeroptera larvae, copepods, cladocera, and cyprinid fish.
    • Every species of ephemeroptera may be distinguished by its genitalia.
    • In 1994, zooplankton still dominated diets in August, whereas macroinvertebrates, mainly small chironomids and small Ephemeroptera, were dominant prey in August 1995 and 1996.



noun & adjective
More example sentences
  • These aquatic larvae, often ephemeropterans or dipterans, are readily available in the lower water column and interstitial spaces that these juveniles inhabit.
  • They are the ephemeropteran equivalents of theology.


modern Latin (plural), from Ephemera (genus name) + pteron 'wing'.

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