Order Coleoptera Linnaeus, 1758 - beetles Family group Adephaga Clairville, 1806 see Suborder Adephaga Schellenberg, 1806 Family Dytiscidae Leach, 1815 - predaceous diving beetles Subfamily Hydroporinae Aubé, 1836 Genus Siettitia Abeille de Perrin, 1904