Hygrotus

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Hygrotus
Hygrotus inaequalis (Fabricius, 1776).jpg
Hygrotus inaequalis
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Dytiscidae
Subfamily: Hydroporinae
Tribe: Hygrotini
Genus: Hygrotus
Stephens, 1828

Hygrotus is a genus of beetle in family Dytiscidae. It contains two subgenera (Coelambus and Hygrotus) and about 70 species, including: [1]

H. improssopunctatus Hygrotus.impressopunctatus.-.calwer.08.16.jpg
H. improssopunctatus

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<span class="mw-page-title-main">Dytiscidae</span> Family of beetles

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 among leaf litter. The adults of most are between 1 and 2.5 cm (0.4–1.0 in) long, though much variation is seen between species. The European Dytiscus latissimus and Brazilian Megadytes ducalis are the largest, reaching up to 4.5 cm (1.8 in) and 4.75 cm (1.9 in) respectively. In contrast, the smallest is likely the Australian Limbodessus atypicali of subterranean waters, which only is about 0.9 mm (0.035 in) long. Most are dark brown, blackish, or dark olive in color with golden highlights in some subfamilies. The larvae are commonly known as water tigers due to their voracious appetite. They have short, but sharp mandibles and immediately upon biting, they deliver digestive enzymes into prey to suck their liquefied remains. The family includes more than 4,000 described species in numerous genera.

<i>Colymbetes</i> Genus of beetles

Colymbetes is a genus of beetles native to the Palearctic, including Europe, the Nearctic, the Near East and North Africa.

<i>Rhantus</i> Genus of beetle

Rhantus is a genus of beetle in family Dytiscidae. There are about 100 species distributed worldwide. They often live in pools and marshy habitat types. Several species have colonized oceanic islands and become endemics.

<i>Harpalus</i> (beetle) Genus of beetles

Harpalus is a genus of ground beetle first described by Pierre André Latreille in 1802.

<i>Agabus</i> (beetle) Genus of beetles

Agabus is a large genus of predatory aquatic beetles in the family Dytiscidae, proposed in 1817 by William Elford Leach and named after Agabus, an early follower of Christianity. The adult beetles are moderate-sized, 5 to 14 mm long. The genus is primarily Holarctic in distribution, with only a few species known from the Afrotropical and Neotropical realms. Three species of Agabus, namely A. clypealis, A. discicollis and A. hozgargantae are endangered according to the IUCN Red List. The division into subgenera is not widely accepted. However, a number of species groups are recognized after the works of David J. Larson and Anders N. Nilsson. The genus is probably polyphyletic or paraphyletic. In a recent study of mitochondrial DNA, Agabus was found paraphyletic with respect to several of the species groups of Platambus, a closely related genus in the tribe Agabini. Lately the taxonomy of the genus has been revised, and some groups of species were transferred from Agabussensu stricto to other genera in the tribe Agabini.

<i>Ilybius</i> Genus of beetles

Ilybius is a large genus of predatory aquatic beetles in the family Dytiscidae. The genus is native to the Palearctic, the Near East, the Nearctic, and North Africa. 70 species has been described from this genus:

<i>Donacia</i> Genus of beetles

Donacia is a large genus of aquatic leaf beetles in the subfamily Donaciinae. Like other members of that subfamily, the beetles have long antennae. They are active and able to fly. Larvae feed on submerged portions of aquatic plants, such as water lilies, and breathe oxygen from plant vessels. Adults live on surface parts of the same plants.

<i>Gyrinus</i> Genus of beetles

Gyrinus is a genus of small aquatic whirligig beetles in the family Gyrinidae native to the Palearctic, the Near East, the Nearctic, North Africa, Asia and Australia.

<i>Cymindis</i> Genus of beetles

Cymindis is a genus of ground beetle native to the Palearctic, the Near East, and North Africa. It contains the following species:

<i>Hydroporus</i> Genus of beetles

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

<i>Platambus</i> Genus of beetles

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.

<i>Cybister</i> Genus of beetles

Cybister, is a genus of beetle in family Dytiscidae. They are found in much of the world, including all continents except Antarctica. As of 2021 there are 96 species and 9 additional subspecies among four subgenera in the genus.

<i>Haliplus</i> Genus of beetles

Haliplus is a genus of crawling water beetles in the family Haliplidae. There are at least 180 described species in Haliplus. They are found worldwide, except for Antarctica, living among algae and aquatic vegetation at edges of ponds, lakes, and streams. They range in size from 1.75 to 5 mm.

<i>Nebrioporus</i> Genus of beetles

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

<i>Oreodytes</i> Genus of beetles

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

<i>Stictotarsus</i> Genus of beetles

Stictotarsus is a genus of beetles in the family Dytiscidae.

<i>Monotoma</i> Genus of beetles

Monotoma is a genus of beetles in the family Monotomidae, containing the following species:

<i>Laccobius</i> Genus of beetles

Laccobius is a genus of water scavenger beetles in the family Hydrophilidae. There are more than 80 described species in Laccobius.

References

  1. ↑ Dytiscidae Species List Archived October 23, 2012, at the Wayback Machine at Joel Hallan's Biology Catalog. Texas A&M University. Retrieved on 7 May 2012.


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