#family_Gerrididae__Gerrididae__Gerridae__family_Gerridae  an arthropod family that includes water striders
  supertype:  #arthropod_family__arthropodfamily  any of the arthropods
  member of:  #suborder_Heteroptera
  member:  #water_strider__waterstrider__pond-skater__water_skater__waterskater  long-legged bug that skims about on the surface of water
  member:  #genus_Gerris__Gerris  type genus of the Gerrididae
     member:  #common_pond-skater__Gerris_lacustris  a variety of water strider

No statement uses or specializes #family_Gerrididae; click here to add one.