[Order] Hemiptera Linnaeus, 1758 - true bugs
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   Suborder Prosorrhyncha Sorensen et al., 1995
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     Infraorder Nepomorpha Popov, 1971
    Count: -
       Superfamily Notonectoidea Latreille, 1802
      Count: -
         1 Family Notonectidae (Leach, 1815) - backswimmers
        Count: -
         2 Family Pleidae (Fieber, 1851)
        Count: -