| Hydraena | |
|---|---|
 | |
| Hydraena alticola | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Family: | Hydraenidae |
| Genus: | Hydraena Kugelann, 1794 |
| Diversity | |
| at least 920 species | |
Hydraena is a genus of minute moss beetles in the family Hydraenidae. There are more than 990 described species in Hydraena. [1] [2] [3]
Hydraenidae is a family of very small aquatic beetles, sometimes called "minute moss beetles", with a worldwide distribution. These beetles are generally 1–3 mm in length with clubbed antennae. They do not swim well and are generally found crawling in marginal vegetation. Most are phytophagous but a few saprophagous and predatory species are known.
Hydraena ateneo is a small aquatic beetle recently discovered in Metro Manila, the Philippines. It is predominantly brown, with yellow-brown antennae. Unlike other beetles in the genus Hydraena, Hydraena ateneo can be distinguished by its small size and distinct aedeagus. The species is named after the Ateneo de Manila University, Quezon City, where the species was discovered. The species can be found in freshwater areas around Manilla.
Hypocaccus is a genus of clown beetles in the family Histeridae. There are more than 120 described species in Hypocaccus.
Neochthebius vandykei is a species of minute moss beetle in the family Hydraenidae. It is found in North America.
Neochthebius is a genus of minute moss beetles in the family Hydraenidae. There are at least two described species in Neochthebius.
Ochthebiinae is a subfamily of minute moss beetles in the family Hydraenidae. There are about 14 genera and more than 650 described species in Ochthebiinae.
Hydraena angulicollis is a species of minute moss beetle in the family Hydraenidae. It is found in North America.
Agyrtes is a genus of primitive carrion beetles in the family Agyrtidae. There are at least four described species in Agyrtes.
Philonthus is a genus of large rove beetles in the family Staphylinidae. There are more than 380 described species in Philonthus.
Atheta is a genus of rove beetles in the family Staphylinidae. There are more than 640 described species in Atheta.
Pseudepierus is a genus of clown beetles in the family Histeridae. There are at least two described species in Pseudepierus.
Ochthebius puncticollis is a species of minute moss beetle in the family Hydraenidae. It is found in Central America and North America.
Ochthebius is a genus of minute moss beetles in the family Hydraenidae. There are at least 460 described species in Ochthebius.
Gymnochthebius fossatus is a species of minute moss beetle in the family Hydraenidae. It is found in the Caribbean Sea, Central America, North America, and South America.
Gymnochthebius is a genus of minute moss beetles in the family Hydraenidae. There are more than 60 described species in Gymnochthebius.
Ochthebius lineatus is a species of minute moss beetle in the family Hydraenidae. It is found in Central America, North America, and South America.
Limnebius alutaceus is a species of minute moss beetle in the family Hydraenidae. It is found in North America.
Limnebius is a genus of minute moss beetles in the family Hydraenidae. There are more than 160 described species in Limnebius.
Hydraena circulata is a species of minute moss beetle in the family Hydraenidae. It is found in Central America and North America.
Ochthebius marinus, the marine moss beetle, is a species of minute moss beetle in the family Hydraenidae. It is found in Europe & Northern Asia, North America, and Southern Asia.
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