Family Hydrochidae
 
Hydrochus Leach, 1817
 
  Hydrochus angustatus Germar, 1824 (N)
  Hydrochus brevis (Herbst, 1793) (N, S)
  Hydrochus carinatus Germar, 1824 (N, S, Sa)
  Hydrochus elongatus (Schaller, 1783) (N, S, Sa)
  Hydrochus flavipennis Küster, 1852 (N, S)
  Hydrochus grandicollis Kiesenwetter, 1870 (N, S, Si, Sa)
  Hydrochus nitidicollis Mulsant, 1844 (N, Si, Sa)

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