''Coptotomus'' is a genus of

predaceous diving beetle The Dytiscidae – based on the Greek ''dytikos'' (δυτικός), "able to dive" – are the predaceous diving beetles, a Family (biology), family of water beetles. They occur in virtually any freshwater habitat around the world, but a ...

s in the family

Dytiscidae The Dytiscidae – based on the Greek ''dytikos'' (δυτικός), "able to dive" – are the predaceous diving beetles, a family of water beetles. They occur in virtually any freshwater habitat around the world, but a few species live a ...

, the only genus of the subfamily Coptotominae. There are about six described species in ''Coptotomus'', found in North America and the

Neotropics The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropics, tropical Ecoregion#Terrestrial, terrestrial ecoregions of the Americas and the entire South American temperat ...

. There is one extinct species from the

Palearctic The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Sibe ...

Species

These six species belong to the genus ''Coptotomus'': * †'' Coptotomus balticus'' Hendrich and Balke, 2020 * '' Coptotomus difficilis'' LeConte, 1852 * '' Coptotomus interrogatus'' (Fabricius, 1801) * '' Coptotomus longulus'' LeConte, 1852 * '' Coptotomus loticus'' Hilsenhoff, 1980 * '' Coptotomus serripalpus'' Say, 1830 * '' Coptotomus venustus'' (Say, 1823)

Species

References

Further reading