''Peltodytes dietrichi'' is a species of

crawling water beetle The Haliplidae are a family of water beetles that swim using an alternating motion of the legs. They are therefore clumsy in water (compared e.g. with the Dytiscidae or Hydrophilidae), and prefer to get around by crawling. The family consists of ...

in the family Haliplidae. It is found in North America.

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Further reading