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Organism
  Animalia
      Arthropoda
            Insecta
                    Diptera
                            Bibionidae
                                     Bibio
                                             Bibio carolinus
                                             Bibio femoratus
                                             Bibio painteri
                                             Bibio superfluus
                                     Dilophus
                                             Dilophus orbatus
                                     Plecia
                                             Plecia nearctica