The Aleocharinae are one of the largest subfamilies of rove beetles, containing over 12,000 species. Previously subject to large-scale debate whether the subfamily deserved the familial status, it is now considered one of the largest subfamilies of rove beetles.
Coccinellinae is a subfamily of lady beetles in the family Coccinellidae. There are at least 20 genera and 90 described species in Coccinellinae.
Melolonthini is a tribe of scarab beetles in the family Scarabaeidae. There are over 250 genera in Melolonthini, occurring worldwide; there are over 300 species in North America alone, and more than 3000 worldwide.
Elminae is a subfamily of riffle beetles in the family Elmidae. There are at least 120 genera and more than 1,300 described species in Elminae.
Byrrhinae is a subfamily of pill beetles in the family Byrrhidae. There are about 25 genera and at least 160 described species in Byrrhinae.
Homalotini is a tribe of rove beetles in the family Staphylinidae. There are at least 30 genera and 200 described species in Homalotini.
Elmini is a tribe of riffle beetles in the family Elmidae. There are more than 90 genera and 1,200 described species in North America.
Teredidae is a family of beetles in the superfamily Coccinelloidea, formerly included within the family Bothrideridae. There are around 160 species in 10 genera, found worldwide except South America. Teredids are generally found under bark, in the galleries of wood-boring beetles, or in leaf litter. They are thought to be fungivores. The oldest records of the family are Delteredolaemus from mid-Cretaceous aged Burmese amber from Myanmar and a species of Teredolaemus from Eocene aged Baltic amber.
Ptilodactylidae is a family of beetles belonging to the Elateriformia. There around 500 extant species in 35 genera. They are generally associated with riparian and aquatic habitats. The larvae generally live associated with rotting wood or vegetation, or within gravel and detritus on the edge of water bodies. The larvae of some species feed on submerged rotting wood or on plant roots, while the adults of some species are known to feed on fungus with modified brush-like maxillae.
Throscidae is a family of elateroid beetles found worldwide with around 150 species in 5 extant genera. The larvae are soil-dwelling, siphoning fluid from mycorrhizae attached to trees. The adults are short-lived, with the adult males being noted for a complex mating dance. Like some other elateroids, they are capable of clicking.
Martinius is a genus of minute marsh-loving beetles in the family Limnichidae. There are at least three described species in Martinius.
Limnichoderus ovatus is a species of beetle in Limnichidae, a family with the vernacular name "minute marsh-loving beetles".
Limnichoderus is a genus of minute marsh-loving beetles in the family Limnichidae. There are at least 20 described species in Limnichoderus.
Eulimnichus is a genus of minute marsh-loving beetles in the family Limnichidae. There are more than 30 described species in Eulimnichus.
Malachiini is a large tribe of soft-winged flower beetles in the family Melyridae.
Synchitini is a tribe of cylindrical bark beetles in the family Zopheridae. There are about 19 genera and at least 40 described species in Synchitini.
Limnichites is a genus of minute marsh-loving beetles in the family Limnichidae. There are about 15 described species in Limnichites.
Oxypodini is a tribe of rove beetles in the family Staphylinidae. There are more than 50 genera and 580 described species in Oxypodini.
Limnichinae is a subfamily of minute marsh-loving beetles in the family Limnichidae. There are more than 20 genera and 330 described species in Limnichinae.
