Hydrobius Hydrobius melaenus Hydrobius fuscipes Hydrobiusini List of water beetle species recorded in Britain Coleoptera in the 10th edition of Systema Naturae List of the prehistoric life of Colorado List of the Cenozoic life of Colorado List of the Cenozoic life of Wyoming List of the prehistoric life of Wyoming List of the Cenozoic life of Washington List of beetles of Ireland Coelostoma stultum Ametor scabrosus Cymbiodyta dorsalis Ametor latus List of stars in Hydra