''Megadytes'' is a genus of

diving beetle 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 ...

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 ...

. They are found in slow-moving or static freshwater habitats throughout most of the

Neotropics The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In bi ...

, ranging from

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, a ...

and Mexico, through the West Indies and Central America, to South America as far south as central Argentina. The adult beetles measure long depending on the exact species and the largest is also the largest in the family (together with certain ''

Dytiscus ''Dytiscus'' ("little diver" based on Greek ''δυτικός'', "able to dive" and the diminutive suffix ''-ίσκος'') is a Holarctic genus of predaceous diving beetles that usually live in wetlands and ponds. There are 26 species in this gen ...

'').

Species

''Megadytes'' contains the following 21 species in 4 subgenera:
Subgenus ''Bifurcitus'': * †'' Megadytes ducalis'' Sharp, 1882 * ''

Megadytes lherminieri ''Megadytes lherminieri'' is a species in the genus ''Megadytes ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Fl ...

'' (Guérin-Méneville, 1829) * ''

Megadytes magnus ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' Trémouilles & Bachmann, 1980 Subgenus ''Megadytes'': * ''

Megadytes carcharias ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, t ...

'' Griffini, 1895 * ''

Megadytes ecuadorius ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, ...

'' Zimmermann, 1919 * ''

Megadytes flohri ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, t ...

'' Sharp, 1882 * ''

Megadytes fraternus ''Megadytes fraternus'' is a species 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. The ...

'' Sharp, 1882 * ''

Megadytes guayanensis ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' (Wilke, 1920) * ''

Megadytes guignoti ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' Mouchamps, 1957 * ''

Megadytes laevigatus ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' (Olivier, 1795) * ''

Megadytes latus ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' (Fabricius, 1801) * ''

Megadytes marginithorax ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' (Perty, 1830) * ''

Megadytes steinheili ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' (Wehncke, 1876) Subgenus ''Paramegadytes'': * ''

Megadytes australis ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' (Germain, 1854) * ''

Megadytes glaucus ''Megadytes glaucus'' is a species of beetles of the family Dytiscidae. Description ''Megadytes glaucus'' can reach a length of about . The basic color of the body is dark shiny. These beetles have oval, flattened streamlined bodies adapted fo ...

'' (Brullé, 1837) Subgenus ''Trifurcitus'': * ''

Megadytes aubei ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' (Wilke, 1920) ** ''Megadytes aubei meridionalis'' Mouchamps, 1957 * ''

Megadytes fallax ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' (Aubé, 1838) * ''

Megadytes gravidus ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' Sharp, 1882 * ''

Megadytes obesus ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' Sharp, 1882 * ''

Megadytes perplexus ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' Sharp, 1882 * ''

Megadytes robustus ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' (Aubé, 1838) The subgenus and status of these two species are unknown: * ''

Megadytes costalis ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' (Fabricius, 1775) * ''

Megadytes obovatus ''Megadytes'' is a genus of diving beetles in the family Dytiscidae. They are found in slow-moving or static freshwater habitats throughout most of the Neotropics, ranging from Florida and Mexico, through the West Indies and Central America, to S ...

'' (Kirby, 1826)

References

Dytiscidae genera Taxonomy articles created by Polbot {{Dytiscidae-stub