| Neonectes | |
|---|---|
 | |
| Neonectes natrix | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Family: | Dytiscidae |
| Genus: | Neonectes J. Balfour-Browne, 1944 |
Neonectes is a genus of beetles in the family Dytiscidae, containing three species found in the Palaerctic, including China, Japan, the Korean Peninsula, and Russia: [1] [2]
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.
Hygrotus artus is a species of beetle in the family Dytiscidae. It is known to only occur in Inyo and Mono counties, California, United States. Its common name is the Mono Lake Diving Beetle.
Coptotomus is a genus of predaceous diving beetles in the family Dytiscidae, the only genus of the subfamily Coptotominae. There are about six described species in Coptotomus, found in North America and the Neotropics.
Iberoporus is a genus of beetles in the family Dytiscidae, the only two known species in the genus, Iberoporus cermenius and Iberoporus pluto are endemic to the Iberian Peninsula.
Calicovatellus is an extinct genus of dytiscid beetle in the subfamily Hydroporinae. As of 2018, one species is recognized, Calicovatellus petrodytes. It was found in the Barstow Formation in southern California and dates to the Miocene.
Copelatus tenebrosus is a species of diving beetle. It is part of the genus Copelatus in the subfamily Copelatinae of the family Dytiscidae. It was described by Régimbart in 1880.
Nartus grapii is a species of beetle in family Dytiscidae, found in the Palearctic. This species was formerly a member of the genus Rhantus.
Hydroporinae is a subfamily of predaceous diving beetles in the family Dytiscidae. There are at least 2,200 described species in Hydroporinae.
Hyphydrini is a tribe of predaceous diving beetles in the family Dytiscidae. There are about 16 genera and more than 390 described species in Hyphydrini.
Liadytiscinae is a subfamily of extinct predaceous diving beetles in the family Dytiscidae. There are about 5 genera and 10 described species in Liadytiscinae. All currently known members of the subfamily are known from the Early Cretaceous Jehol Biota of China.
Amurodytes is a genus of predaceous diving beetles in the family Dytiscidae. There is one described species in Amurodytes, A. belovi, found in the Palearctic.
Ereboporus is a genus of predaceous diving beetles in the family Dytiscidae. There is one described species in Ereboporus, E. naturaconservatus, found in North America.
Neobidessodes is a genus of predaceous diving beetles in the family Dytiscidae. There are about 10 described species in Neobidessodes. They are found in Australasia. The genus was first described in 2009, and the type species is N. denticulatus.
Caperhantus is a genus of predaceous diving beetles in the family Dytiscidae. There is one described species in Caperhantus, C. cicurius. This species was formerly a member of the genus Rhantus.
Hyphoporus nilghiricus, is a species of predaceous diving beetle found in India, Pakistan, and Sri Lanka. Sometimes, the species is included into the genus Hygrotus by some authors.
Hydrovatus picipennis, is a species of predaceous diving beetle found in India, Sri Lanka, Indonesia, Philippines, China and Thailand.
Hyphoporus pugnator, is a species of predaceous diving beetle found in India and Sri Lanka. The species is sometimes placed in the genus Hygrotus by some authors.
Paroster caecus is blind beetle in the Hydroporini tribe of the subfamily Hydroporinae in the Dytiscidae family. It was first described by Chris Watts in 1982 as Terradessus caecus. It was transferred to the genus, Paroster, in 2016 by Toussaint, Hendrich and others.
Paroster niger is blind beetle in the Hydroporini tribe of the subfamily Hydroporinae in the Dytiscidae family. It was first described by Chris Watts in 1978.
Paroster bulbus is water beetle in the Hydroporini tribe of the subfamily Hydroporinae in the Dytiscidae family. It was first described by Chris Watts and William Humphreys in 2004 as Nirripirti bulbus. It was transferred to the genus, Paroster, in 2008 by Remko Leijs and Chris Watts.
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