- Concept UI
- M0587501
- Scope Note
- 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)
- Terms
-
Ephemeroptera
Preferred Term
Term UI
T848827
Date09/04/2013
LexicalTag
NON
ThesaurusID
NLM (2015)
-
Mayflies
Term UI
T852153
Date12/16/2013
LexicalTag
NON
ThesaurusID
NLM (2015)
-
Mayfly
Term UI
T852152
Date12/16/2013
LexicalTag
NON
ThesaurusID
NLM (2015)