#ephemerid__ephemeropteran  short-lived insect
  supertype:  #insect  small air-breathing arthropod
  member of:  #order_Ephemeroptera
  subtype:  #Plectophera  in some former classifications: name for the Ephemeroptera
  subtype:  #mayfly__dayfly__shadfly  slender insect with delicate membranous wings having an aquatic larval stage and terrestrial adult stage usually lasting less than two days

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