#gadfly  any of various large flies that annoy livestock
  supertype:  #fly  two-winged insects characterized by active flight
  subtype:  #botfly  stout-bodied hairy dipterous fly whose larvae are parasites on humans and other mammals
     subtype:  #horse_botfly__horsebotfly__Gasterophilus_intestinalis  parasitic chiefly on horses
     subtype:  #human_botfly__humanbotfly__dermatobiahomini  large tropical American fly; parasitic on humans and other mammals
     subtype:  #sheep_botfly__sheepbotfly__sheep_gadfly__sheepgadfly__Oestrus_ovis  larvae are parasitic on sheep
  subtype:  #warble_fly  hairy bee-like fly whose larvae produce lumpy abscesses (warbles) under the skin of cattle
  subtype:  #horsefly__cleg__clegg__horse_fly__horsefly  large swift fly the female of which sucks blood of various animals

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