#fly  two-winged insects characterized by active flight
  supertype:  #dipterous_insect__dipterousinsect__two-winged_insects__dipteran__dipteron  insects having usually a single pair of functional wings (anterior pair) with the posterior pair reduced to small knobbed structures and mouth parts adapted for sucking or lapping or piercing
  subtype:  #housefly  #tsetse_fly  #blowfly  #flesh_fly  #tachina_fly  #gadfly  #bee_fly  #horn_fly
  member of:  #order_Diptera
  part:  #alula__calypter  scale-like structure between the base of the wing and the halter of a two-winged fly

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