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Related to ephemerid: dayfly
A mayfly, especially one of the family Ephemeridae.
[From New Latin Ephēmeridae, former order name, from Greek ephēmeron, mayfly; see ephemeron.]
(Animals) any insect of the order Ephemeroptera (or Ephemerida), which comprises the mayflies. Also called: ephemeropteran
[C19: from New Latin Ephēmerida, from Greek ephēmeros short-lived + -id2]
n., pl. -flies.
any of numerous insects of the family Ephemeridae, with large transparent forewings and threadlike tails, living for a relatively long period as an aquatic nymph and only for two days or less as an adult.
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|Noun||1.||ephemerid - short-lived insect |
insect - small air-breathing arthropod
Plectophera - in some former classifications: name for the Ephemeroptera