Dytiscidae

The Dytiscidae, from the Ancient Greek word δυτικός (dutikós), meaning "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 in terrestrial habitats such as among leaf litter. The "diving" in their common name comes from their cycling between underwater and the surface to replenish oxygen like a diver. The adults of most are between long, though much variation is seen between species. The European Dytiscus latissimus and Brazilian Bifurcitus ducalis are the largest, reaching up to re

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species of beetles

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species of insect

thumb|Cybister lateralimarginalis thumb|Comparison of Cybister and Dytiscus larvae Cybister ('kybistētēr' = diver, tumbler), is a genus of beetle in family Dytiscidae. They are found in much of the world, including all continents except Antarctica. As of 2024 there are 98 species and 9 additional subspecies among four subgenera in the genus.

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species of insect

Graphoderus is a genus of beetle in family Dytiscidae native to the Holarctic.

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species of insect

Hydroporus is a genus of water beetles native to the Palearctic (including Europe), the Nearctic, the Near East, and North Africa. It contains the following species:

Microdytes is a genus of beetles in the family Dytiscidae, containing the following species:

Platambus is a genus of beetle native to the Palearctic, including Europe, the Near East and North Africa. It distinguished by a wide epipleuron. The ventral surface has spot markings.

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thumb|Laccophilus maculosus maculosus, Pennsylvania thumb|Laccophilus proximus, Oklahoma thumb|Laccophilus pictus, Texas

Meladema is a genus of beetles in family Dytiscidae. It contains the following species (among others):

thumb|Hydroglyphus japonicus, Japan

Pachynectes is a genus of beetles in the family Dytiscidae, containing the following species:

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Hydaticus is a genus of predatory water beetle belonging to the family Dytiscidae. Hydaticus can be found throughout most of the world. There are 150 described species and 12 subspecies in two subgenera in the genus Hydaticus.

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Agnoshydrus is a genus of beetles in the family Dytiscidae, containing the following eight species:

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Australphilus is a genus of beetles in the family Dytiscidae, first described in 1978 by Chris Watts, containing the following species:

Deronectes is a genus of beetle in family Dytiscidae. It contains the following species:

Anodocheilus is a genus of beetles in the family Dytiscidae, containing the following species:

Desmopachria is a genus of beetles in the family Dytiscidae, containing the following species:

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Anginopachria is a genus of beetles in the family Dytiscidae, containing the following species:

Neoclypeodytes is a genus of beetles in the family Dytiscidae found in North and Central America, containing the following species:

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Hydrodessus is a genus of beetles in the family Dytiscidae, containing the following species:

Hypodessus is a genus of beetles in the family Dytiscidae, containing the following species:

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Geodessus is a genus of beetles in the family Dytiscidae, containing the following species:

Laccornis is a genus of beetles in the family Dytiscidae, containing the following species:

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Pachydrus is a genus of beetles in the family Dytiscidae, containing the following species:

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Glareadessus is a genus of beetles in the family Dytiscidae, containing the following species:

thumb | right | Leiodytes nicobaricus, found in Thailand. Leiodytes is a genus of beetles in the family Dytiscidae, containing the following species:

Thermonectus is a genus of beetles in the family Dytiscidae. This genus is native to the New World, and mainly from warm temperate to tropical in distribution, but one species, T. basillaris occurs as far north as southern Ontario, Canada. They inhabit a wide range of freshwater habitats with static water and are often common. They are generally about long and a few species from desert pools in North America have a distinct yellow-spotted pattern on a black background.

Sharphydrus is a genus of beetles in the family Dytiscidae, containing the following species:

Laccodytes is a genus of beetles in the family Dytiscidae, containing the following species:

Oreodytes is a genus of beetles in the family Dytiscidae, containing the following species:

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species of insect

Allodessus is a genus of beetles in the family Dytiscidae, containing the following species:

Hydrovatus is a genus of water beetles in the family Dytiscidae, containing the following species: