Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Interactive image map to choose major taxa Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27


Tribe Berosini

Representative Images

Water Scavenger Beetle - Berosus Another Dytiscid - Berosus ordinatus Beetle - Berosus Berosus ? - Berosus 2018-10-07 Water beetle - Berosus Pennsylvania Beetle for ID - Berosus Berosus Berosus moerens? - Berosus moerens

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Staphyliniformia)
Superfamily Hydrophiloidea
Family Hydrophilidae (Water Scavenger Beetles)
Subfamily Hydrophilinae
Tribe Berosini

Synonyms and other taxonomic changes

Taxonomy may be subject to change in near future(1)

Numbers

3 genera in NA north of Mexico

Size

<12 mm(2)

Range

worldwide and across NA(2) (the primarily Neotropical Hemiosus, with 1 sp. recorded in AZ, is not yet in the Guide)

Works Cited

1.Phylogeny of Berosini (Coleoptera: Hydrophilidae, Hydrophilinae) based on larval and adult characters...
Miguel Archangelsky. 2008. Systematic Entomology 33(4): 635-650.
2.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.