#order_Ephemeroptera__Ephemeroptera__Ephemerida__order_Ephemerida  mayflies
  supertype:  #animal_order  the order of animals
  member of:  #class_Insecta
  member:  #ephemerid__ephemeropteran  short-lived insect
  member:  #family_Ephemeridae__Ephemeridae  mayflies
     member:  #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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