Megasternini
Guides
Cryptopleurum
Cryptopleurum is a genus of small water scavenger beetles in the family Hydrophilidae, containing approximately 11 described species. The genus was established by Mulsant in 1844 and is classified within the subfamily Sphaeridiinae and tribe Megasternini. Species in this genus are found across multiple continents including North America, Europe, and Africa.
Deltostethus
Deltostethus is a genus of water scavenger beetles in the family Hydrophilidae, established by Sharp in 1882. The genus contains at least four described species distributed in the New World. Members belong to the subfamily Sphaeridiinae, a group of small, compact beetles often associated with moist or decaying organic matter. The genus is poorly represented in scientific collections and field observations.
Deltostethus columbiensis
Deltostethus columbiensis is a species of water scavenger beetle in the family Hydrophilidae, described by Hatch in 1965. It belongs to the subfamily Sphaeridiinae, a group often associated with moist organic substrates rather than strictly aquatic habitats. The species occurs in southwestern North America and Mexico.