#family_Ephemeridae__Ephemeridae  mayflies
  supertype:  #arthropod_family__arthropodfamily  any of the arthropods
  member of:  #order_Ephemeroptera
  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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