[viruses]
   Realm Riboviria
     Family Alphatetraviridae
       Genus Betatetravirus
         1 Antheraea eucalypti virus
         2 Darna trima virus
         3 Dasychira pudibunda virus
         4 Nudaurelia capensis beta virusᵀ
         5 Philosamia cynthia x ricini virus
         6 Pseudoplusia includens virus
         7 Trichoplusia ni virus