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